diff --git a/ai_summary/README.md b/ai_summary/README.md
new file mode 100644
index 000000000..b2096aacf
--- /dev/null
+++ b/ai_summary/README.md
@@ -0,0 +1,3 @@
+# indico-plugin-ai-summary
+
+This plugin automatically generates summaries of meeting minutes stored in Indico utilizing an open-source Large Language Model (LLM). It enables users to select the minutes they wish to summarize, to choose pre-written prompts or write custom ones to generate the summaries. summary-rebase
\ No newline at end of file
diff --git a/ai_summary/indico_ai_summary/__init__.py b/ai_summary/indico_ai_summary/__init__.py
new file mode 100644
index 000000000..8b1378917
--- /dev/null
+++ b/ai_summary/indico_ai_summary/__init__.py
@@ -0,0 +1 @@
+
diff --git a/ai_summary/indico_ai_summary/blueprint.py b/ai_summary/indico_ai_summary/blueprint.py
new file mode 100644
index 000000000..8889aced3
--- /dev/null
+++ b/ai_summary/indico_ai_summary/blueprint.py
@@ -0,0 +1,18 @@
+# This file is part of the Indico plugins.
+# Copyright (C) 2002 - 2025 CERN
+#
+# The Indico plugins are free software; you can redistribute
+# them and/or modify them under the terms of the MIT License;
+# see the LICENSE file for more details.
+
+from indico.core.plugins import IndicoPluginBlueprint
+
+from indico_ai_summary.controllers import RHLLMPrompts, RHManageCategoryPrompts, RHSummarizeEvent
+
+
+blueprint = IndicoPluginBlueprint('ai_summary', __name__, url_prefix='/plugin/ai-summary')
+
+blueprint.add_url_rule('!/category/<int:category_id>/manage/prompts', 'manage_category_prompts',
+                       RHManageCategoryPrompts, methods=('GET', 'POST'))
+blueprint.add_url_rule('/llm-prompts/<int:event_id>', 'llm_prompts', RHLLMPrompts, methods=('GET',))
+blueprint.add_url_rule('/summarize-event/<int:event_id>', 'summarize_event', RHSummarizeEvent, methods=('POST',))
diff --git a/ai_summary/indico_ai_summary/client/CategoryManagePrompts.jsx b/ai_summary/indico_ai_summary/client/CategoryManagePrompts.jsx
new file mode 100644
index 000000000..ca90ace05
--- /dev/null
+++ b/ai_summary/indico_ai_summary/client/CategoryManagePrompts.jsx
@@ -0,0 +1,54 @@
+// This file is part of the Indico plugins.
+// Copyright (C) 2002 - 2025 CERN
+//
+// The Indico plugins are free software; you can redistribute
+// them and/or modify them under the terms of the MIT License;
+// see the LICENSE file for more details.
+
+import manageCategoryPrompts from 'indico-url:plugin_ai_summary.manage_category_prompts';
+
+import _ from 'lodash';
+import React from 'react';
+import ReactDOM from 'react-dom';
+import {Form as FinalForm} from 'react-final-form';
+import {Form} from 'semantic-ui-react';
+
+import {indicoAxios} from 'indico/utils/axios';
+import {FinalSubmitButton, handleSubmitError} from 'indico/react/forms';
+
+import {FinalPromptManagerField} from './components/PromptManagerField';
+
+export default function CategoryManagePrompts({categoryId, prompts: predefinedPrompts}) {
+  const onSubmit = async ({prompts}, form) => {
+    try {
+      await indicoAxios.post(manageCategoryPrompts({category_id: categoryId}), {prompts});
+      form.initialize({prompts});
+    } catch (error) {
+      handleSubmitError(error);
+    }
+  };
+
+  const submitBtn = <FinalSubmitButton label="Save Changes" />;
+
+  return (
+    <FinalForm
+      onSubmit={onSubmit}
+      initialValues={{prompts: predefinedPrompts}}
+      initialValuesEqual={_.isEqual}
+      subscription={{}}
+    >
+      {fprops => (
+        <Form onSubmit={fprops.handleSubmit}>
+          <FinalPromptManagerField submitBtn={submitBtn} />
+        </Form>
+      )}
+    </FinalForm>
+  );
+}
+
+window.setupCategoryManagePrompts = function setupCategoryManagePrompts() {
+  const container = document.getElementById('plugin-ai-summary-prompts');
+  const categoryId = parseInt(container.dataset.categoryId, 10);
+  const prompts = JSON.parse(container.dataset.prompts);
+  ReactDOM.render(<CategoryManagePrompts categoryId={categoryId} prompts={prompts} />, container);
+};
diff --git a/ai_summary/indico_ai_summary/client/components/ActionButtons.jsx b/ai_summary/indico_ai_summary/client/components/ActionButtons.jsx
new file mode 100644
index 000000000..8bb107b3b
--- /dev/null
+++ b/ai_summary/indico_ai_summary/client/components/ActionButtons.jsx
@@ -0,0 +1,134 @@
+// This file is part of the Indico plugins.
+// Copyright (C) 2002 - 2025 CERN
+//
+// The Indico plugins are free software; you can redistribute
+// them and/or modify them under the terms of the MIT License;
+// see the LICENSE file for more details.
+
+import React, {useState, useEffect} from 'react';
+import {Button, ButtonGroup, Icon, Popup, Dropdown, DropdownMenu, DropdownItem} from 'semantic-ui-react';
+import {Translate} from '../i18n';
+
+import './ActionButtons.module.scss';
+
+function CopyToClipboardButton({summaryHtml, summaryMarkdown}) {
+  const [isCopied, setIsCopied] = useState(false);
+  const [isDropdownOpen, setIsDropdownOpen] = useState(false);
+
+  useEffect(() => {
+    if (isCopied) {
+      const timer = setTimeout(() => setIsCopied(false), 2000);
+      return () => clearTimeout(timer);
+    }
+  }, [isCopied]);
+
+  function handleCopy(text) {
+    navigator.clipboard.writeText(text);
+    setIsCopied(true);
+  }
+
+  const button = (
+    <Popup
+      trigger={
+        <Button icon styleName="copy-button">
+          <Icon name={isCopied ? 'check' : 'copy'} color={isCopied ? 'green' : undefined} />
+          <Icon name="dropdown" />
+        </Button>
+      }
+      content={isCopied ? Translate.string('Copied!') : Translate.string('Copy summary')}
+      position="top center"
+      disabled={isDropdownOpen}
+    />
+  );
+
+  return (
+    <Dropdown
+      trigger={button}
+      onOpen={() => setIsDropdownOpen(true)}
+      onClose={() => setIsDropdownOpen(false)}
+    >
+      <DropdownMenu>
+        <DropdownItem
+          onClick={() => {
+            handleCopy(summaryHtml);
+          }}
+          icon="code"
+          text={Translate.string('Copy HTML')}
+        />
+        <DropdownItem
+          onClick={() => {
+            handleCopy(summaryMarkdown);
+          }}
+          icon="file alternate outline"
+          text={Translate.string('Copy Markdown')}
+        />
+      </DropdownMenu>
+    </Dropdown>
+  )
+}
+
+function SaveSummaryButton({onSave, saving}) {
+  const [showSavedIcon, setShowSavedIcon] = useState(false);
+  const [prevSaving, setPrevSaving] = useState(false);
+
+  useEffect(() => {
+      if (prevSaving && !saving) {
+          setShowSavedIcon(true);
+          const timer = setTimeout(() => setShowSavedIcon(false), 2000);
+          return () => clearTimeout(timer);
+      }
+      setPrevSaving(saving);
+  }, [saving, prevSaving]);
+
+  return (
+    <Popup
+      trigger={
+        <Button primary={!showSavedIcon} basic={showSavedIcon} icon onClick={onSave} disabled={saving} styleName="save-button">
+          {saving ? (
+            <Icon name="spinner" loading />
+          ) : showSavedIcon ? (
+            <Icon name="check" color="green" />
+          ) : (
+            <Icon name="save" />
+          )}
+        </Button>
+      }
+      content={
+        saving
+          ? Translate.string('Saving summary...')
+          : showSavedIcon
+            ? Translate.string('Saved!')
+            : Translate.string('Save the generated summary to the meeting minutes')
+      }
+      position="top center"
+    />
+  );
+}
+
+export default function ActionButtons({loading, error, summaryHtml, summaryMarkdown, saving, onSave, onRetry}) {
+    if (!loading) {
+        return (
+            <div styleName="action-buttons-container">
+              <ButtonGroup basic>
+                {summaryHtml && !error && (
+                  <CopyToClipboardButton summaryHtml={summaryHtml} summaryMarkdown={summaryMarkdown} />
+                )}
+                <Popup trigger={
+                  <Button icon onClick={onRetry}>
+                    <Icon name="undo" />
+                  </Button>
+                }
+                  content={Translate.string('Retry generating summary')}
+                  position="top center"
+                />
+              </ButtonGroup>
+
+              {summaryHtml && !error && (
+                <SaveSummaryButton onSave={onSave} saving={saving} />
+              )}
+            </div>
+          );
+      }
+
+    return null;
+}
diff --git a/ai_summary/indico_ai_summary/client/components/ActionButtons.module.scss b/ai_summary/indico_ai_summary/client/components/ActionButtons.module.scss
new file mode 100644
index 000000000..be0a1dc94
--- /dev/null
+++ b/ai_summary/indico_ai_summary/client/components/ActionButtons.module.scss
@@ -0,0 +1,41 @@
+// This file is part of the Indico plugins.
+// Copyright (C) 2002 - 2025 CERN
+//
+// The Indico plugins are free software; you can redistribute
+// them and/or modify them under the terms of the MIT License;
+// see the LICENSE file for more details.
+
+@use 'base/palette' as *;
+
+.action-buttons {
+  display: flex;
+  justify-content: space-between;
+  align-items: baseline;
+
+  .llm-info {
+    color: $dark-gray;
+  }
+}
+
+.action-buttons-container {
+  display: flex;
+  align-items: baseline;
+  gap: 0;
+
+  .copy-button {
+    &:hover {
+      box-shadow: none !important;
+    }
+
+    &:focus {
+      box-shadow: none !important;
+    }
+
+    display: flex;
+    gap: 5px;
+  }
+
+  .save-button {
+    margin-left: 10px;
+  }
+}
diff --git a/ai_summary/indico_ai_summary/client/components/PromptManagerField.jsx b/ai_summary/indico_ai_summary/client/components/PromptManagerField.jsx
new file mode 100644
index 000000000..0a5df052c
--- /dev/null
+++ b/ai_summary/indico_ai_summary/client/components/PromptManagerField.jsx
@@ -0,0 +1,124 @@
+// This file is part of the Indico plugins.
+// Copyright (C) 2002 - 2025 CERN
+//
+// The Indico plugins are free software; you can redistribute
+// them and/or modify them under the terms of the MIT License;
+// see the LICENSE file for more details.
+
+import _ from 'lodash';
+import React, {useCallback, useMemo, useState} from 'react';
+import ReactDOM from 'react-dom';
+import {Form, TextArea, Button, Input, Card, Icon} from 'semantic-ui-react';
+import {Translate} from '../i18n';
+
+import {FinalField} from 'indico/react/forms';
+
+import './PromptManagerField.module.scss';
+
+export function FinalPromptManagerField({submitBtn}) {
+  return (
+    <FinalField
+      name="prompts"
+      component={PromptManagerField}
+      submitBtn={submitBtn}
+      isEqual={_.isEqual}
+    />
+  );
+}
+
+export default function PromptManagerField({value, onChange, submitBtn}) {
+  const addPrompt = () => {
+    onChange([...value, {name: '', text: ''}]);
+  };
+
+  const removePrompt = idx => {
+    onChange(value.filter((_, i) => i !== idx));
+  };
+
+  const updatePrompt = (idx, text) => {
+    onChange(value.map((p, i) => (i === idx ? {name: p.name, text} : p)));
+  };
+
+  const updateName = (idx, name) => {
+    onChange(value.map((p, i) => (i === idx ? {name, text: p.text} : p)));
+  };
+
+  return (
+    <>
+      {value.map((prompt, idx) => (
+        <PromptField
+          key={idx}
+          name={prompt.name}
+          text={prompt.text}
+          onRemove={() => removePrompt(idx)}
+          onChangeText={text => updatePrompt(idx, text)}
+          onChangeName={name => updateName(idx, name)}
+        />
+      ))}
+      <div styleName="add-prompt-buttons">
+        <Button icon type="button" labelPosition="right" onClick={addPrompt}>
+            <Translate>Add Prompt</Translate>
+          <Icon name="plus" />
+        </Button>
+        {submitBtn}
+      </div>
+    </>
+  );
+}
+
+function PromptField({name, text, onChangeName, onChangeText, onRemove}) {
+  return (
+    <Card fluid>
+      <Card.Content>
+        <div styleName="delete-prompt-button">
+          <Button icon type="button" compact onClick={onRemove}>
+            <Icon name="trash alternate outline" />
+          </Button>
+        </div>
+        <Form.Field>
+          <Translate as="label">Prompt Name</Translate>
+          <Input
+            value={name}
+            placeholder={Translate.string('e.g. Summarizer...')}
+            onChange={(_, {value: v}) => onChangeName(v)}
+          />
+        </Form.Field>
+        <Form.Field>
+          <Translate as="label">Prompt Text</Translate>
+          <TextArea
+            value={text}
+            placeholder={Translate.string('Enter your prompt here...')}
+            onChange={(_, {value: v}) => onChangeText(v)}
+            rows={10}
+          />
+        </Form.Field>
+      </Card.Content>
+    </Card>
+  );
+}
+
+export function WTFPromptManagerField({fieldId}) {
+  const field = useMemo(() => document.getElementById(`${fieldId}-data`), [fieldId]);
+  const [prompts, setPrompts] = useState(JSON.parse(field.value));
+
+  const onChange = useCallback(
+    v => {
+      field.value = JSON.stringify(v);
+      setPrompts(v);
+      field.dispatchEvent(new Event('change', {bubbles: true}));
+    },
+    [field]
+  );
+
+  return (
+    <div className="ui form">
+      <Form>
+        <PromptManagerField value={prompts} onChange={onChange} />
+      </Form>
+    </div>
+  );
+}
+
+window.setupPromptManagerFieldWidget = function setupPromptManagerFieldWidget({fieldId}) {
+  ReactDOM.render(<WTFPromptManagerField fieldId={fieldId} />, document.getElementById(fieldId));
+};
diff --git a/ai_summary/indico_ai_summary/client/components/PromptManagerField.module.scss b/ai_summary/indico_ai_summary/client/components/PromptManagerField.module.scss
new file mode 100644
index 000000000..4e68e6846
--- /dev/null
+++ b/ai_summary/indico_ai_summary/client/components/PromptManagerField.module.scss
@@ -0,0 +1,17 @@
+// This file is part of the Indico plugins.
+// Copyright (C) 2002 - 2025 CERN
+//
+// The Indico plugins are free software; you can redistribute
+// them and/or modify them under the terms of the MIT License;
+// see the LICENSE file for more details.
+
+.add-prompt-buttons {
+    display: flex;
+    justify-content: end;
+}
+
+.delete-prompt-button {
+    display: flex;
+    justify-content: end;
+    margin-bottom: -1em;
+}
diff --git a/ai_summary/indico_ai_summary/client/components/PromptSelector.jsx b/ai_summary/indico_ai_summary/client/components/PromptSelector.jsx
new file mode 100644
index 000000000..58f90a242
--- /dev/null
+++ b/ai_summary/indico_ai_summary/client/components/PromptSelector.jsx
@@ -0,0 +1,44 @@
+// This file is part of the Indico plugins.
+// Copyright (C) 2002 - 2025 CERN
+//
+// The Indico plugins are free software; you can redistribute
+// them and/or modify them under the terms of the MIT License;
+// see the LICENSE file for more details.
+
+import React from 'react';
+import {Translate} from '../i18n';
+import {Dropdown, TextArea, Form} from 'semantic-ui-react';
+
+// dropdown + manage saved prompts button (outside card)
+export function PromptControls({selectedPromptIndex, setSelectedPromptIndex, storedPrompts, disabled}) {
+  const options = storedPrompts.map((prompt, idx) => ({
+    key: `${idx}`,
+    text: prompt.name,
+    value: idx,
+  }));
+
+  const onChange = (_, {value}) => {
+    setSelectedPromptIndex(value);
+  };
+
+  return (
+    <Form.Field>
+      <Dropdown selection options={options} value={selectedPromptIndex} onChange={onChange} disabled={disabled} />
+    </Form.Field>
+  );
+}
+
+export function PromptEditor({selectedPromptIndex, selectedPrompt, setPrompts, disabled}) {
+  const onChange = (_, {value}) => {
+    setPrompts(oldPrompts =>
+      oldPrompts.map((p, i) => (i === selectedPromptIndex ? {name: p.name, text: value} : p))
+    );
+  };
+
+  return (
+    <Form.Field style={{marginBottom: 0}}>
+      <Translate as="label">Selected prompt (editable)</Translate>
+      <TextArea value={selectedPrompt.text} onChange={onChange} rows={5} disabled={disabled} />
+    </Form.Field>
+  );
+}
diff --git a/ai_summary/indico_ai_summary/client/components/SummaryPreview.jsx b/ai_summary/indico_ai_summary/client/components/SummaryPreview.jsx
new file mode 100644
index 000000000..d85d7eb2f
--- /dev/null
+++ b/ai_summary/indico_ai_summary/client/components/SummaryPreview.jsx
@@ -0,0 +1,100 @@
+// This file is part of the Indico plugins.
+// Copyright (C) 2002 - 2025 CERN
+//
+// The Indico plugins are free software; you can redistribute
+// them and/or modify them under the terms of the MIT License;
+// see the LICENSE file for more details.
+
+import staticURL from 'indico-url:plugin_ai_summary.static'
+
+import React, {useRef, useEffect} from 'react';
+import {Button, Segment, Header, HeaderSubheader, Icon, Dimmer, Image, Card} from 'semantic-ui-react';
+import {Translate} from '../i18n';
+
+import './SummaryPreview.module.scss';
+import './ActionButtons.module.scss';
+
+import ActionButtons from './ActionButtons';
+
+export default function SummaryPreview({loading, error, summaryHtml, summaryMarkdown, saving, onSave, streamResponse, onRetry, llmInfo}) {
+
+  const previewBottomRef = useRef();
+
+  // Auto scroll if streaming is enabled
+  useEffect(() => {
+    // On new streamed content, scroll to bottom (only when not in error)
+    if (streamResponse && previewBottomRef.current && !error) {
+      previewBottomRef.current.scrollIntoView({behavior: 'smooth'});
+    }
+  }, [streamResponse, summaryHtml, error]);
+
+  const scrollBarStyle = loading || error ? 'preview-card-wrapper scrollbar-hidden' : 'preview-card-wrapper';
+  const displayedHtml = summaryHtml ? (error ? summaryHtml.substring(0, 800) : summaryHtml) : null;
+
+  if (!loading && !error && !summaryHtml) {
+    return (
+      <Segment placeholder styleName="no-preview-placeholder" textAlign="center">
+        <Header as="h3" textAlign="center" styleName="placeholder-message">
+          <Image src={staticURL({filename: 'images/file-sparkle.svg'})} />
+          <Translate as="span">Summarize your minutes</Translate>
+          <HeaderSubheader styleName="subheader">
+            <Translate as="span">Select a prompt, or create your own, from the panel on the left to get started.</Translate>
+            <Translate as="span">AI responses may be inaccurate. Always verify important information.</Translate>
+          </HeaderSubheader>
+        </Header>
+      </Segment>
+    );
+  }
+
+  return (
+    <>
+      <Card raised fluid styleName={scrollBarStyle}>
+        <Card.Content>
+          {loading && !summaryHtml && (
+            <h3 styleName="shimmer-text">
+              <Translate>Generating summary...</Translate>
+            </h3>
+          )}
+          {error && (
+            <Dimmer active styleName="error-dimmer">
+              <div styleName="error-content">
+                <Header as="h2" icon>
+                  <Icon name="times circle outline" color="red" />
+                  <Header.Content color="white">
+                    <Translate>Something went wrong</Translate>
+                    <HeaderSubheader>{error}</HeaderSubheader>
+                  </Header.Content>
+                </Header>
+                <Button primary onClick={onRetry}>
+                  <Icon name="undo" />
+                  <Translate>Try Again</Translate>
+                </Button>
+              </div>
+            </Dimmer>
+          )}
+
+          {displayedHtml && (
+            <div styleName="preview-card" dangerouslySetInnerHTML={{__html: displayedHtml}} />
+          )}
+          <div ref={previewBottomRef} />
+        </Card.Content>
+      </Card>
+      <div styleName="action-buttons">
+        <ActionButtons
+          loading={loading}
+          error={error}
+          summaryHtml={summaryHtml}
+          summaryMarkdown={summaryMarkdown}
+          saving={saving}
+          onSave={onSave}
+          onRetry={onRetry}
+        />
+        {!loading && llmInfo && (
+          <span styleName="llm-info">
+            {llmInfo.model_name} ({llmInfo.provider_name})
+          </span>
+        )}
+      </div>
+    </>
+  );
+}
diff --git a/ai_summary/indico_ai_summary/client/components/SummaryPreview.module.scss b/ai_summary/indico_ai_summary/client/components/SummaryPreview.module.scss
new file mode 100644
index 000000000..0a155a041
--- /dev/null
+++ b/ai_summary/indico_ai_summary/client/components/SummaryPreview.module.scss
@@ -0,0 +1,104 @@
+// This file is part of the Indico plugins.
+// Copyright (C) 2002 - 2025 CERN
+//
+// The Indico plugins are free software; you can redistribute
+// them and/or modify them under the terms of the MIT License;
+// see the LICENSE file for more details.
+
+.preview-card-wrapper {
+  flex-grow: 1;
+  margin-top: 0 !important;
+  height: 52.5vh;
+  max-height: 52.5vh;
+  overflow-y: auto;
+
+  .preview-card {
+    flex-grow: 1;
+
+      ul li {
+        margin-left: 1.5em;
+      }
+
+      h1, h2, h3 {
+        font-size: 1.5em;
+      }
+  }
+}
+
+.no-preview-placeholder {
+  margin-top: 0 !important;
+  height: 52.5vh;
+
+  .placeholder-message {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+
+    img {
+      margin-bottom: 10px;
+      user-select: none;
+      pointer-events: none;
+    }
+
+    .subheader::before {
+      content: none !important;
+    }
+
+    .subheader {
+      padding-top: 5px !important;
+      display: flex !important;
+      flex-direction: column !important;
+    }
+  }
+}
+
+.placeholder-message :global(.ui.div.subheader::before) {
+  display: none;
+}
+
+// Hide scrollbar when streaming back the generated summary
+.scrollbar-hidden {
+  scrollbar-width: none;
+  -ms-overflow-style: none;
+}
+
+// Text shimmer effect when loading (e.g. "Generating summary...")
+.shimmer-text {
+  position: relative;
+  display: inline-block;
+  background: linear-gradient(
+    90deg,
+    #4b5563 0%,
+    #6b7280 20%,
+    #9ca3af 40%,
+    #6b7280 60%,
+    #4b5563 80%,
+    #4b5563 100%
+  );
+  background-size: 200% auto;
+  color: transparent;
+  background-clip: text;
+  -webkit-background-clip: text;
+  animation: shimmer 1.25s linear infinite;
+}
+
+@keyframes shimmer {
+  from {
+    background-position: 200% center;
+  }
+  to {
+    background-position: 0% center;
+  }
+}
+
+.error-dimmer {
+  background-color: #c8c8c84d !important;
+  backdrop-filter: blur(7.5px) !important;
+
+  .error-content {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    text-align: center;
+  }
+}
diff --git a/ai_summary/indico_ai_summary/client/components/ind_summarize_button.jsx b/ai_summary/indico_ai_summary/client/components/ind_summarize_button.jsx
new file mode 100644
index 000000000..b7ab48755
--- /dev/null
+++ b/ai_summary/indico_ai_summary/client/components/ind_summarize_button.jsx
@@ -0,0 +1,359 @@
+// This file is part of the Indico plugins.
+// Copyright (C) 2002 - 2025 CERN
+//
+// The Indico plugins are free software; you can redistribute
+// them and/or modify them under the terms of the MIT License;
+// see the LICENSE file for more details.
+
+import staticURL from 'indico-url:plugin_ai_summary.static';
+import getStoredPrompts from 'indico-url:plugin_ai_summary.llm_prompts';
+
+import React, {useState, useEffect} from 'react';
+import ReactDOM from 'react-dom';
+import {Modal, Button, Form, Grid, GridRow, GridColumn, Header, Icon, Loader, Popup, Message} from 'semantic-ui-react';
+import {Translate} from '../i18n';
+import {indicoAxios} from 'indico/utils/axios';
+import {handleAxiosError} from 'indico/utils/axios';
+import {streamSummary, fetchSummary, fetchEventNote, saveSummaryToEvent} from '../utils/summarize';
+import {PromptControls, PromptEditor} from './PromptSelector';
+import SummaryPreview from './SummaryPreview';
+import './ind_summarize_button.module.scss';
+
+function SummarizeButton({eventId, streamResponse, llmInfo}) {
+  const [selectedPromptIndex, setSelectedPromptIndex] = useState(0);
+  const [prompts, setPrompts] = useState([selectedPromptIndex]);
+  const selectedPrompt = prompts[selectedPromptIndex];
+  const [summaryHtml, setSummaryHtml] = useState('');
+  const [summaryMarkdown, setSummaryMarkdown] = useState('');
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState(null);
+  const [saving, setSaving] = useState(false);
+  const [isSaved, setIsSaved] = useState(false);
+  const [streamStopped, setStreamStopped] = useState(false);
+  const [streamCtl, setStreamCtl] = useState(null);
+  const [isFeedbackDismissed, setIsFeedbackDismissed] = useState(
+    localStorage.getItem('ai_summary_feedback_dismissed') === 'true'
+  );
+
+  // trigger summary generation from the backend
+  const runSummarize = () => {
+    // Close any existing stream first
+    if (streamCtl) {
+      try {
+        streamCtl.abort();
+      } catch {}
+      setStreamCtl(null);
+    }
+
+    setLoading(true);
+    setError(null);
+    setSummaryHtml('');
+    setSummaryMarkdown('');
+
+    if (streamResponse) {
+      setStreamStopped(false);
+      // Streaming via fetch
+      const ctl = streamSummary(eventId, selectedPrompt.text, {
+        onChunk: data => {
+          setSummaryHtml(data['html']);
+          setSummaryMarkdown(data['markdown']);
+        },
+        onDone: () => {
+          setLoading(false);
+          setStreamCtl(null);
+        },
+        onError: msg => {
+          setError(typeof msg === 'string' ? msg : 'Error during summarization');
+          setLoading(false);
+          setStreamCtl(null);
+        },
+      });
+      setStreamCtl(ctl);
+      return;
+    }
+
+    // Non-streaming single request
+    (async () => {
+      try {
+        const data = await fetchSummary(eventId, selectedPrompt.text);
+        if (data?.summary_html && data?.summary_markdown) {
+          setSummaryHtml(data.summary_html);
+          setSummaryMarkdown(data.summary_markdown);
+        } else {
+          setError('No summary returned.');
+        }
+      } catch (e) {
+        setError(`Error during summarization: ${handleAxiosError(e)}`);
+      } finally {
+        setLoading(false);
+      }
+    })();
+  };
+
+  // stop/cancel an in-progress stream
+  const stopStreaming = () => {
+    if (streamCtl) {
+      try {
+        streamCtl.abort();
+      } catch {}
+      setStreamCtl(null);
+    }
+    setStreamStopped(true);
+    setLoading(false);
+  };
+
+  // Ensure stream is closed when component unmounts
+  useEffect(() => () => {
+    if (streamCtl) {
+      try {
+        streamCtl.abort();
+      } catch {}
+    }
+  }, [streamCtl]);
+
+  // save generated summary into Indico event notes
+  const handleSaveSummary = async () => {
+    try {
+      setSaving(true);
+      const summaryMarker = `<hr>
+        <h2>
+          <img src="${staticURL({filename: 'images/sparkle.svg'})}" width="18px" height="18px" />
+          <span style="color: #0099C9">Summary</span>
+        </h2>`;
+      // fetch existing event notes
+      const noteData = await fetchEventNote(eventId);
+      const updatedHtml = `${summaryMarker}${summaryHtml}${noteData.html || ''}`;
+
+      // save combined notes(or previous summary) + summary back to Indico
+      await saveSummaryToEvent(eventId, updatedHtml, noteData.id);
+      setIsSaved(true);
+    } catch (e) {
+      setError(`Error during saving summary: ${handleAxiosError(e)}.`);
+    } finally {
+      setSaving(false);
+    }
+  };
+
+  const getPrompts = async () => {
+    let prompts = [];
+    try {
+      prompts = await indicoAxios.get(getStoredPrompts({event_id: eventId}));
+    } catch (e) {
+      handleAxiosError(e);
+    }
+    // Append a custom prompt option
+    prompts = prompts.data;
+    prompts.push({name: 'Custom Prompt', text: ''});
+    setPrompts(prompts);
+  };
+
+  const renderSummarizeButton = (loading, streamResponse, error) => {
+    if (error) {
+      return (
+        <Button
+          primary
+          attached="bottom"
+          onClick={runSummarize}
+          disabled={loading}
+        >
+          <Icon name="undo" />
+          <Translate>Try Again</Translate>
+        </Button>
+      );
+    }
+
+    if (!loading) {
+      return (
+        <Button
+          primary
+          attached="bottom"
+          onClick={runSummarize}
+          disabled={loading}
+        >
+          <Icon name="play circle" />
+          <Translate>Generate Summary</Translate>
+        </Button>
+      );
+    }
+
+    if (loading && streamResponse) {
+      return (
+        <Button
+          negative
+          attached="bottom"
+          onClick={stopStreaming}
+        >
+          <Icon name="stop" />
+          <Translate>Stop Generating</Translate>
+        </Button>
+      );
+    }
+
+    if (loading && !streamResponse) {
+      return (
+        <Button
+          primary
+          attached="bottom"
+          disabled
+        >
+          <Translate>Generating Summary...</Translate>
+        </Button>
+      );
+    }
+    return null;
+  };
+
+  const handleFeedbackDismiss = () => {
+    setIsFeedbackDismissed(true);
+    localStorage.setItem('ai_summary_feedback_dismissed', 'true');
+  };
+
+  return (
+    <>
+      <Modal
+        closeIcon
+        onClose={() => {
+          // Ensure any active stream is closed when modal is closed
+          if (streamCtl) {
+            try {
+              streamCtl.abort();
+            } catch {}
+            setStreamCtl(null);
+          }
+          setLoading(false);
+          if (isSaved) {
+            location.reload();
+          }
+        }}
+        onOpen={() => {
+          getPrompts();
+        }}
+        closeOnEscape={false}
+        closeOnDimmerClick={false}
+        trigger={
+          <div styleName="summarize-button-menu">
+            <img src={staticURL({filename:'images/sparkle.svg'})} />
+            <Translate as="a">Summarize</Translate>
+          </div>
+        }
+        style={{minWidth: '65vw'}}
+      >
+        <Modal.Header>
+          <div styleName="modal-header-section">
+            <Translate as="span">Summarize Meeting</Translate>
+            <Popup
+              trigger={
+                <div styleName="badge">
+                  <Icon name="flask" />
+                  <Translate as="span">Experimental</Translate>
+                </div>
+              }
+              content={Translate.string('This is an experimental feature. Functionality may change or be withdrawn in future releases.')}
+              position="right center"
+            />
+          </div>
+        </Modal.Header>
+        <Modal.Content>
+          <Grid celled="internally">
+            <GridRow columns={2}>
+              <GridColumn width={5} style={{display: 'flex', flexDirection: 'column'}}>
+                <div style={{flex: 1}}>
+                  <Form>
+                    <Header as="h3" content={Translate.string('Select a prompt')} />
+                    <PromptControls
+                      selectedPromptIndex={selectedPromptIndex}
+                      setSelectedPromptIndex={setSelectedPromptIndex}
+                      storedPrompts={prompts}
+                      disabled={loading}
+                    />
+                    <PromptEditor
+                      selectedPromptIndex={selectedPromptIndex}
+                      selectedPrompt={selectedPrompt}
+                      setPrompts={setPrompts}
+                      disabled={loading}
+                    />
+                    {renderSummarizeButton(loading, streamResponse, error)}
+                  </Form>
+                </div>
+
+                {!isFeedbackDismissed && !loading && summaryHtml && (
+                  <Message icon info style={{marginTop: '10px'}} onDismiss={handleFeedbackDismiss}>
+                    <Icon name="comments outline" />
+                    <Message.Content>
+                      <Message.Header>
+                        <Translate>We want your feedback</Translate>
+                      </Message.Header>
+                      <Translate as="p">Share your feedback on this feature with us on our Mattermost channel</Translate>
+                      <Button as="a" href="https://mattermost.web.cern.ch/it-dep/channels/indico" target="_blank" primary>
+                        <Translate>Mattermost: Open #indico</Translate>
+                      </Button>
+                    </Message.Content>
+                  </Message>
+                )}
+              </GridColumn>
+              <GridColumn width={11} styleName="column-divider">
+                  <Header as="h3">
+                    <Translate>Preview</Translate>
+                    <span styleName="completion-status">
+                      {loading && !error && (
+                        <Loader active inline size="small" styleName="modal-spinner" />
+                      )}
+                      {streamStopped && summaryHtml && (
+                        <Popup
+                          trigger={<Icon name="stop circle outline" color="grey" />}
+                          content={Translate.string('Response interrupted')}
+                          position="top center"
+                        />
+                      )}
+                      {!loading && !error && !streamStopped && summaryHtml && (
+                        <Popup
+                          trigger={<Icon name="check circle outline" color="green" />}
+                          content={Translate.string('Response complete')}
+                          position="top center"
+                        />
+                      )}
+                    </span>
+                  </Header>
+                  <SummaryPreview
+                    loading={loading}
+                    error={error}
+                    summaryHtml={summaryHtml}
+                    summaryMarkdown={summaryMarkdown}
+                    saving={saving}
+                    onSave={handleSaveSummary}
+                    streamResponse={streamResponse}
+                    onRetry={runSummarize}
+                    llmInfo={llmInfo}
+                  />
+              </GridColumn>
+            </GridRow>
+          </Grid>
+        </Modal.Content>
+      </Modal>
+    </>
+  );
+}
+
+customElements.define(
+  'ind-summarize-button',
+  class extends HTMLElement {
+    connectedCallback() {
+      const eventId = parseInt(this.getAttribute('event-id'), 10);
+      const categoryId = parseInt(this.getAttribute('category-id'), 10);
+      const streamResponse = JSON.parse(this.getAttribute('stream-response'));
+      const llmInfo = JSON.parse(this.getAttribute('llm-info'));
+      ReactDOM.render(
+        <SummarizeButton
+          categoryId={categoryId}
+          eventId={eventId}
+          streamResponse={streamResponse}
+          llmInfo={llmInfo}
+        />,
+        this
+      );
+    }
+    disconnectedCallback() {
+      ReactDOM.unmountComponentAtNode(this);
+    }
+  }
+);
diff --git a/ai_summary/indico_ai_summary/client/components/ind_summarize_button.module.scss b/ai_summary/indico_ai_summary/client/components/ind_summarize_button.module.scss
new file mode 100644
index 000000000..6fcd632a9
--- /dev/null
+++ b/ai_summary/indico_ai_summary/client/components/ind_summarize_button.module.scss
@@ -0,0 +1,63 @@
+// This file is part of the Indico plugins.
+// Copyright (C) 2002 - 2025 CERN
+//
+// The Indico plugins are free software; you can redistribute
+// them and/or modify them under the terms of the MIT License;
+// see the LICENSE file for more details.
+
+@use 'base/palette' as *;
+
+.column-divider {
+  box-shadow: none !important;
+  display: flex !important;
+  flex-direction: column;
+  border-left: 1px solid $raincloud-gray;
+}
+
+.modal-header-section {
+  display: flex;
+  align-items: center;
+
+  .badge {
+    margin-left: 10px;
+    padding-top: 2px;
+    padding-bottom: 2px;
+    padding-left: 10px;
+    padding-right: 10px;
+    font-size: 0.7em;
+    border-radius: 30px;
+    background: linear-gradient(135deg, rgba($light-purple, 1) 0%, rgba($purple, 1) 100%);
+    color: white;
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.250);
+  }
+}
+
+.completion-status {
+  margin-left: 5px !important;
+
+  .modal-spinner {
+    // SUI modal loader workaround (https://github.com/Semantic-Org/Semantic-UI-React/issues/3133)
+
+    &::before {
+      width: 18px !important;
+      height: 18px !important;
+      border-color: rgba(0,0,0,.1) !important;
+    }
+
+    &::after {
+      width: 18px !important;
+      height: 18px !important;
+      border-color: #767676 transparent transparent !important;
+    }
+  }
+}
+
+.summarize-button-menu {
+  display: flex;
+  flex-direction: row;
+  padding-bottom: 0;
+
+  img {
+    margin-right: 5px;
+  }
+}
diff --git a/ai_summary/indico_ai_summary/client/i18n.js b/ai_summary/indico_ai_summary/client/i18n.js
new file mode 100644
index 000000000..7870152b7
--- /dev/null
+++ b/ai_summary/indico_ai_summary/client/i18n.js
@@ -0,0 +1,13 @@
+// This file is part of the Indico plugins.
+// Copyright (C) 2002 - 2025 CERN
+//
+// The Indico plugins are free software; you can redistribute
+// them and/or modify them under the terms of the MIT License;
+// see the LICENSE file for more details.
+
+import {bindTranslateComponents} from 'indico/react/i18n';
+
+const {Translate, PluralTranslate} = bindTranslateComponents('ai_summary');
+
+export {Translate, PluralTranslate};
+export {Singular, Plural, Param} from 'indico/react/i18n';
diff --git a/ai_summary/indico_ai_summary/client/index.js b/ai_summary/indico_ai_summary/client/index.js
new file mode 100644
index 000000000..13918e02e
--- /dev/null
+++ b/ai_summary/indico_ai_summary/client/index.js
@@ -0,0 +1,10 @@
+// This file is part of the Indico plugins.
+// Copyright (C) 2002 - 2025 CERN
+//
+// The Indico plugins are free software; you can redistribute
+// them and/or modify them under the terms of the MIT License;
+// see the LICENSE file for more details.
+
+import './components/ind_summarize_button';
+import './components/PromptManagerField';
+import './CategoryManagePrompts';
diff --git a/ai_summary/indico_ai_summary/client/utils/summarize.js b/ai_summary/indico_ai_summary/client/utils/summarize.js
new file mode 100644
index 000000000..8b15708e4
--- /dev/null
+++ b/ai_summary/indico_ai_summary/client/utils/summarize.js
@@ -0,0 +1,203 @@
+// This file is part of the Indico plugins.
+// Copyright (C) 2002 - 2025 CERN
+//
+// The Indico plugins are free software; you can redistribute
+// them and/or modify them under the terms of the MIT License;
+// see the LICENSE file for more details.
+
+import summarizeEventURL from 'indico-url:plugin_ai_summary.summarize_event';
+import eventNoteURL from 'indico-url:event_notes.api';
+
+
+import {indicoAxios} from 'indico/utils/axios';
+
+// request LLM summary from plugin backend
+export async function fetchSummary(eventId, prompt) {
+  const resp = await indicoAxios.post(summarizeEventURL({event_id: eventId}), {
+    prompt: prompt || '',
+  });
+  return resp.data;
+}
+
+// Parse a single SSE data line and return the payload
+function parseSSELine(line) {
+  if (!line.startsWith('data: ')) {
+    return null;
+  }
+
+  const data = line.slice(6); // Remove 'data: ' prefix
+
+  if (data === '[DONE]') {
+    return {done: true};
+  }
+
+  try {
+    return {done: false, payload: JSON.parse(data)};
+  } catch (err) {
+    // Non-JSON payloads are ignored
+    return null;
+  }
+}
+
+// Process the stream and call callbacks for each chunk
+async function processStreamResponse(response, callbacks, state) {
+  const {onChunk, onDone, onError} = callbacks;
+  const reader = response.body.getReader();
+  const decoder = new TextDecoder();
+  let buffer = '';
+
+  while (!state.closed) {
+    const {done, value} = await reader.read();
+
+    if (done) {
+      break;
+    }
+
+    // Decode the chunk and add to buffer
+    buffer += decoder.decode(value, {stream: true});
+
+    // Process complete lines
+    const lines = buffer.split('\n');
+    // Keep the last (potentially incomplete) line in the buffer
+    buffer = lines.pop() || '';
+
+    for (const line of lines) {
+      // Check if stream was aborted during processing
+      if (state.closed) {
+        return;
+      }
+
+      const result = parseSSELine(line);
+
+      if (!result) {
+        continue;
+      }
+
+      if (result.done) {
+        if (onDone) onDone();
+        state.closed = true;
+        return;
+      }
+
+      const {payload} = result;
+      if (payload?.summary_html && payload?.summary_markdown && onChunk) {
+        onChunk({'html': payload.summary_html, 'markdown': payload.summary_markdown});
+        state.receivedAny = true;
+      }
+      if (payload?.error) {
+        if (onError) onError(payload.error);
+        state.closed = true;
+        return;
+      }
+    }
+  }
+
+  // Only call onDone if not manually closed
+  if (!state.closed && onDone) {
+    onDone();
+  }
+}
+
+// Fallback to non-streaming request
+async function fallbackToRegularRequest(eventId, prompt, callbacks) {
+  const {onChunk, onDone, onError} = callbacks;
+  try {
+    const resp = await indicoAxios.post(summarizeEventURL({event_id: eventId}), {
+      prompt: prompt || '',
+    });
+    const data = resp.data || {};
+    if (data.summary_html && data.summary_markdown && onChunk) {
+      onChunk({'html': data.summary_html, 'markdown': data.summary_markdown});
+    }
+    if (onDone) onDone();
+  } catch (e) {
+    if (onError) onError('Unable to retrieve summary.');
+  }
+}
+
+// Stream LLM summary via fetch.
+// Returns a controller with an `abort()` method and hooks for `onChunk`, `onDone`, and `onError`.
+export function streamSummary(eventId, prompt, {onChunk, onDone, onError} = {}) {
+  const abortController = new AbortController();
+  const state = {closed: false, receivedAny: false};
+  const callbacks = {onChunk, onDone, onError};
+
+  const processStream = async () => {
+    try {
+      // Normally, we would use IndicoAxios here with `responseType: 'stream'`, but this causes
+      // the output to be not as smooth, due to Axios using XHR under the hood.
+      const response = await fetch(summarizeEventURL({event_id: eventId}), {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+          'X-CSRF-Token': document.getElementById('csrf-token').getAttribute('content'),
+        },
+        body: JSON.stringify({prompt: prompt || ''}),
+        signal: abortController.signal,
+      });
+
+      if (!response.ok) {
+        throw new Error(`HTTP error! status: ${response.status}`);
+      }
+
+      await processStreamResponse(response, callbacks, state);
+    } catch (err) {
+      // If manually aborted via abort(), onDone is already called there
+      if (state.closed) {
+        return;
+      }
+
+      // Handle AbortError from fetch
+      if (err.name === 'AbortError') {
+        if (onDone) onDone();
+        return;
+      }
+
+      // Fallback to regular POST if streaming failed and we haven't received any data
+      if (!state.receivedAny) {
+        await fallbackToRegularRequest(eventId, prompt, callbacks);
+        return;
+      }
+
+      // Otherwise, we were in the middle of streaming and lost connection
+      if (onError) {
+        onError('Connection lost whilst streaming summary.');
+      }
+    }
+  };
+
+  // Start processing asynchronously (fire and forget)
+  void processStream();
+
+  return {
+    abort: () => {
+      if (state.closed) {
+        return; // Already closed
+      }
+      state.closed = true;
+
+      // Abort the fetch request - this will cause the reader to error
+      abortController.abort();
+
+      // Call onDone immediately to update UI
+      if (onDone) {
+        onDone();
+      }
+    },
+  };
+}
+
+// fetch current event notes
+export async function fetchEventNote(eventId) {
+  const resp = await indicoAxios.get(eventNoteURL({event_id: eventId}));
+  return resp.data;
+}
+
+// save summary + existing notes back into Indico
+export async function saveSummaryToEvent(eventId, html, revisionId) {
+  return indicoAxios.post(eventNoteURL({event_id: eventId}), {
+    source: html,
+    render_mode: 'html',
+    revision_id: revisionId,
+  });
+}
diff --git a/ai_summary/indico_ai_summary/controllers.py b/ai_summary/indico_ai_summary/controllers.py
new file mode 100644
index 000000000..36def6597
--- /dev/null
+++ b/ai_summary/indico_ai_summary/controllers.py
@@ -0,0 +1,111 @@
+# This file is part of the Indico plugins.
+# Copyright (C) 2002 - 2025 CERN
+#
+# The Indico plugins are free software; you can redistribute
+# them and/or modify them under the terms of the MIT License;
+# see the LICENSE file for more details.
+
+from flask import Response, jsonify, stream_with_context
+from flask_pluginengine import current_plugin
+from webargs import fields
+from webargs.flaskparser import use_kwargs
+
+from indico.core.db import db
+from indico.core.errors import IndicoError
+from indico.modules.categories.controllers.base import RHManageCategoryBase
+from indico.modules.events.management.controllers.base import RHManageEventBase
+from indico.modules.events.notes.util import get_scheduled_notes
+from indico.util.string import sanitize_html
+
+from indico_ai_summary.llm_interface import LLMInterface
+from indico_ai_summary.models.llm_prompt import LLMPrompt
+from indico_ai_summary.schemas import PromptSchema
+from indico_ai_summary.utils import (chunk_text, generate_chunk_stream, get_all_prompts, html_to_markdown,
+                                     markdown_to_html)
+from indico_ai_summary.views import WPCategoryManagePrompts
+
+
+CATEGORY_SIDEMENU_ITEM = 'plugin_ai_summary_prompts'
+
+
+class RHLLMPrompts(RHManageEventBase):
+    def _process(self):
+        global_prompts = current_plugin.settings.get('prompts')
+        category_prompts = get_all_prompts(self.event.category)
+        return global_prompts + PromptSchema(many=True).dump(category_prompts)
+
+
+class RHManageCategoryPrompts(RHManageCategoryBase):
+    def _process_args(self):
+        RHManageCategoryBase._process_args(self)
+
+    def _process_GET(self):
+        prompts = LLMPrompt.query.with_parent(self.category).all()
+        serialized_prompts = PromptSchema(many=True).dump(prompts)
+        return WPCategoryManagePrompts.render_template('manage_category_prompts.html', category=self.category,
+                                                       active_menu_item=CATEGORY_SIDEMENU_ITEM,
+                                                       stored_prompts=serialized_prompts)
+
+    @use_kwargs({'prompts': fields.List(fields.Nested(PromptSchema), required=True)}, location='json')
+    def _process_POST(self, prompts):
+        LLMPrompt.query.with_parent(self.category).delete()
+        for prompt_data in prompts:
+            prompt = LLMPrompt(category_id=self.category.id, name=prompt_data['name'], text=prompt_data['text'])
+            db.session.add(prompt)
+        return '', 204
+
+
+class RHSummarizeEvent(RHManageEventBase):
+    @use_kwargs({'prompt': fields.Str(required=True)})
+    def _process(self, prompt):
+        prompt_template = prompt
+        notes = get_scheduled_notes(self.event)
+        meeting_notes = '\n\n'.join(note.html for note in notes if hasattr(note, 'html'))
+
+        if not meeting_notes.strip():
+            current_plugin.logger.error("No meeting notes found from this event's contributions.")
+            return jsonify({'error': "No meeting notes found from this event's contributions."}), 400
+
+        cleaned_text = html_to_markdown(meeting_notes)
+        chunks = chunk_text(cleaned_text)
+        summaries = []
+
+        if not current_plugin.settings.get('llm_auth_token'):
+            current_plugin.logger.error('LLM Auth Token is not set in plugin settings.')
+            return jsonify({'error': 'LLM Auth Token is not set in plugin settings.'}), 400
+
+        llm_model = LLMInterface(
+            model_name=current_plugin.settings.get('llm_model_name'),
+            host=current_plugin.settings.get('llm_host_header'),
+            url=current_plugin.settings.get('llm_provider_url'),
+            auth_token=current_plugin.settings.get('llm_auth_token'),
+            max_tokens=current_plugin.settings.get('llm_max_tokens'),
+            temperature=current_plugin.settings.get('llm_temperature'),
+            system_prompt=current_plugin.settings.get('llm_system_prompt'),
+        )
+
+        if current_plugin.settings.get('llm_stream_response'):
+            return Response(
+                stream_with_context(generate_chunk_stream(chunks, prompt_template, llm_model)),
+                content_type='text/event-stream',
+                headers={
+                    'Cache-Control': 'no-cache',
+                    'X-Accel-Buffering': 'no'  # Disable buffering for nginx
+                }
+            )
+
+        for chunk in chunks:
+            full_prompt = f'{prompt_template}\n\n{chunk}'
+            response = llm_model.execute(full_prompt)
+            if not response:
+                current_plugin.logger.error('Empty response during summarization. Check the token or model.')
+                raise IndicoError('An error occurred during summarization.')
+
+            summaries.append(response)
+
+        combined_summary = '\n'.join(summaries)
+
+        return {
+            'summary_html': sanitize_html(markdown_to_html(combined_summary)),
+            'summary_markdown': combined_summary,
+        }
diff --git a/ai_summary/indico_ai_summary/llm_interface.py b/ai_summary/indico_ai_summary/llm_interface.py
new file mode 100644
index 000000000..94f2296eb
--- /dev/null
+++ b/ai_summary/indico_ai_summary/llm_interface.py
@@ -0,0 +1,124 @@
+# This file is part of the Indico plugins.
+# Copyright (C) 2002 - 2025 CERN
+#
+# The Indico plugins are free software; you can redistribute
+# them and/or modify them under the terms of the MIT License;
+# see the LICENSE file for more details.
+
+import json
+from collections.abc import Generator
+
+import httpx
+import llm
+
+from indico.core.errors import IndicoError
+
+
+class LLMInterface(llm.Model):
+    """Class for interacting with LLM providers.
+
+    Uses the `llm` library to send prompts to a specified LLM provider
+    and retrieve responses.
+
+    :param model_name: The name of the LLM model to use.
+    :param host: Optional host header for the request.
+    :param url: The URL of the LLM provider's API endpoint.
+    :param auth_token: The authentication token for accessing the LLM provider.
+    :param max_tokens: The maximum number of tokens to generate in the response. Defaults to 1024.
+    :param system_prompt: An optional system prompt to guide the behavior of the LLM.
+    :param temperature: Sampling temperature between 0 and 1.
+    """
+
+    can_stream = False
+
+    def __init__(self, *, model_name: str, host: str, url: str, auth_token: str, max_tokens: int = 1024,
+                 temperature: float = 0.5, system_prompt: str = '') -> None:
+        super().__init__()
+        self.model_name = model_name
+        self.host = host
+        self.url = url
+        self.auth_token = auth_token
+        self.max_tokens = max_tokens
+        self.temperature = temperature
+        self.system_prompt = system_prompt
+
+    def execute(self, prompt, stream=False, conversation=None) -> str | None:
+        """Send a prompt to the LLM provider and retrieve the response."""
+        headers = {
+            'Authorization': f'Bearer {self.auth_token}',
+            'Content-Type': 'application/json',
+        }
+
+        if self.host:
+            headers['Host'] = self.host
+
+        payload = {
+            'model': self.model_name,
+            'messages': [
+                {'role': 'system', 'content': self.system_prompt},
+                {'role': 'user', 'content': prompt}
+            ],
+            'max_tokens': self.max_tokens,
+            'stream': stream,
+            'temperature': self.temperature,
+        }
+
+        if stream:
+            return self._stream_deltas(headers, payload)
+
+        # Non-streaming path
+        try:
+            response = httpx.post(self.url, headers=headers, json=payload, timeout=60)
+            response.raise_for_status()
+            data = response.json()
+            return data['choices'][0]['message']['content']
+        except httpx.HTTPError:
+            raise IndicoError('An error occurred whilst attempting to contact the LLM provider.')
+
+    def _stream_deltas(self, headers, payload) -> Generator[str, None, None]:
+        """Yield incremental content strings from a streaming response."""
+        try:
+            with httpx.stream('POST', self.url, headers=headers, json=payload, timeout=60) as response:
+                response.raise_for_status()
+                for raw_line in response.iter_lines():
+                    if not raw_line:
+                        continue
+                    line = raw_line.strip()
+                    # OpenAI-compatible providers prefix with 'data: '
+                    if line.startswith('data:'):
+                        line = line.removeprefix('data:').strip()
+                    if line == '[DONE]':
+                        break
+                    # Some providers may send keep-alives like ': ping' -> ignore non-JSON
+                    if not (line.startswith('{') and line.endswith('}')):
+                        continue
+                    try:
+                        obj = json.loads(line)
+                    except Exception:  # noqa: S112
+                        # Skip malformed JSON lines
+                        continue
+                    content, done = self._extract_content_and_done(obj)
+                    if content:
+                        yield content
+                    if done:
+                        break
+        except httpx.HTTPError:
+            raise IndicoError('An error occurred whilst attempting to contact the LLM provider.')
+
+    @staticmethod
+    def _extract_content_and_done(obj) -> tuple[str | None, bool]:
+        """Extract content delta and completion status from a provider chunk."""
+        choices = obj.get('choices') or []
+        if choices:
+            choice = choices[0]
+            delta = choice.get('delta') or {}
+            content = delta.get('content')
+            if content:
+                return content, False
+            if choice.get('finish_reason'):
+                return None, True
+        # Fallback: some providers may send raw 'content'
+        content = obj.get('content')
+        if content:
+            return content, False
+        return None, False
diff --git a/ai_summary/indico_ai_summary/migrations/.no-header b/ai_summary/indico_ai_summary/migrations/.no-header
new file mode 100644
index 000000000..e69de29bb
diff --git a/ai_summary/indico_ai_summary/migrations/20250904_1208_e2bf94dfa64a_.py b/ai_summary/indico_ai_summary/migrations/20250904_1208_e2bf94dfa64a_.py
new file mode 100644
index 000000000..8fece5669
--- /dev/null
+++ b/ai_summary/indico_ai_summary/migrations/20250904_1208_e2bf94dfa64a_.py
@@ -0,0 +1,34 @@
+"""Add table for predefined prompts for categories
+
+Revision ID: e2bf94dfa64a
+Revises:
+Create Date: 2025-09-04 12:08:06.061611
+"""
+
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy.sql.ddl import CreateSchema, DropSchema
+
+
+# revision identifiers, used by Alembic.
+revision = 'e2bf94dfa64a'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.execute(CreateSchema('plugin_ai_summary'))
+    op.create_table('predefined_prompts',
+                    sa.Column('id', sa.Integer(), nullable=False),
+                    sa.Column('category_id', sa.Integer(), nullable=False, index=True),
+                    sa.Column('name', sa.String(), nullable=False),
+                    sa.Column('text', sa.Text(), nullable=False),
+                    sa.ForeignKeyConstraint(['category_id'], ['categories.categories.id']),
+                    sa.PrimaryKeyConstraint('id'),
+                    schema='plugin_ai_summary')
+
+
+def downgrade():
+    op.drop_table('predefined_prompts', schema='plugin_ai_summary')
+    op.execute(DropSchema('plugin_ai_summary'))
diff --git a/ai_summary/indico_ai_summary/models/__init__.py b/ai_summary/indico_ai_summary/models/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/ai_summary/indico_ai_summary/models/llm_prompt.py b/ai_summary/indico_ai_summary/models/llm_prompt.py
new file mode 100644
index 000000000..09531e294
--- /dev/null
+++ b/ai_summary/indico_ai_summary/models/llm_prompt.py
@@ -0,0 +1,52 @@
+# This file is part of the Indico plugins.
+# Copyright (C) 2002 - 2025 CERN
+#
+# The Indico plugins are free software; you can redistribute
+# them and/or modify them under the terms of the MIT License;
+# see the LICENSE file for more details.
+
+from indico.core.db.sqlalchemy import db
+from indico.util.string import format_repr
+
+
+class LLMPrompt(db.Model):
+    """Predefined LLM prompts"""
+
+    __tablename__ = 'predefined_prompts'
+    __table_args__ = {'schema': 'plugin_ai_summary'}
+
+    id = db.Column(
+        db.Integer,
+        primary_key=True
+    )
+    #: The ID of the category this prompt is defined for
+    category_id = db.Column(
+        db.Integer,
+        db.ForeignKey('categories.categories.id'),
+        index=True,
+        nullable=False
+    )
+    #: Name of the prompt
+    name = db.Column(
+        db.String,
+        nullable=False
+    )
+    #: Text of the prompt
+    text = db.Column(
+        db.Text,
+        nullable=False
+    )
+
+    #: The Category this prompt is defined for
+    category = db.relationship(
+        'Category',
+        lazy=True,
+        backref=db.backref(
+            'llm_summary_prompts',
+            cascade='all, delete-orphan',
+            lazy='dynamic'
+        )
+    )
+
+    def __repr__(self):
+        return format_repr(self, 'id', 'category_id', 'name')
diff --git a/ai_summary/indico_ai_summary/plugin.py b/ai_summary/indico_ai_summary/plugin.py
new file mode 100644
index 000000000..776dcd03a
--- /dev/null
+++ b/ai_summary/indico_ai_summary/plugin.py
@@ -0,0 +1,132 @@
+# This file is part of the Indico plugins.
+# Copyright (C) 2002 - 2025 CERN
+#
+# The Indico plugins are free software; you can redistribute
+# them and/or modify them under the terms of the MIT License;
+# see the LICENSE file for more details.
+
+from flask_pluginengine.plugin import render_plugin_template
+from wtforms.fields import BooleanField, FloatField, IntegerField, StringField, TextAreaField, URLField
+from wtforms.validators import DataRequired, NumberRange
+from wtforms.widgets import NumberInput
+
+from indico.core import signals
+from indico.core.plugins import IndicoPlugin
+from indico.core.plugins.views import WPPlugins
+from indico.modules.events.views import WPSimpleEventDisplay
+from indico.util.i18n import _
+from indico.web.flask.util import url_for
+from indico.web.forms.base import IndicoForm
+from indico.web.forms.fields import IndicoPasswordField, JSONField
+from indico.web.forms.widgets import JinjaWidget, SwitchWidget
+from indico.web.menu import SideMenuItem
+
+from indico_ai_summary.blueprint import blueprint
+from indico_ai_summary.controllers import CATEGORY_SIDEMENU_ITEM
+from indico_ai_summary.views import WPCategoryManagePrompts
+
+
+class PromptManagerField(JSONField):
+    widget = JinjaWidget('forms/prompt_manager_field_widget.html', plugin='ai_summary',
+                         single_kwargs=True, single_line=True)
+
+
+class PluginSettingsForm(IndicoForm):
+    llm_provider_name = StringField(_('LLM Provider Name'),
+                                    [DataRequired()],
+                                    description=_('The name of your LLM provider (e.g. OpenAI, Mistral etc.).'))
+    llm_model_name = StringField(_('Model Name'), [DataRequired()], description=_('The name of the model '
+                                 '(e.g. gpt-4o, mistral-large-latest, hf-qwen25-32b etc.).'))
+    llm_provider_url = URLField(_('Provider Endpoint URL'),
+                                [DataRequired()],
+                                description=_("The URL of the LLM provider's API endpoint. The endpoint must "
+                                              "adhere to the OpenAI API specification."))
+    llm_auth_token = IndicoPasswordField(_('Auth Token'),
+                                         [DataRequired()],
+                                         toggle=True,
+                                         description=_('The authentication token for accessing the LLM provider.'))
+    llm_host_header = StringField(_('Host Name'),
+                                 description=_('An optional host header to be added to the request (if '
+                                               'required by your provider).'))
+    llm_max_tokens = IntegerField(_('Max Tokens'),
+                                  [NumberRange(min=1)],
+                                  description=_('The maximum number of tokens to generate in the response. Defaults '
+                                                'to a maximum of 1024 tokens.'))
+    llm_temperature = FloatField(_('Temperature'),
+                                   [NumberRange(min=0, max=1)],
+                                   widget=NumberInput(step='0.1'),
+                                   description=_('The sampling temperature to use, between 0 and 1. Higher values '
+                                                 'like 0.8 will make the response more random, while lower values like '
+                                                 '0.2 will make it more focused and deterministic.'))
+    llm_system_prompt = TextAreaField(_('System Prompt'),
+                                    description=_('An optional system prompt to guide the behavior of the LLM. '
+                                                  'This prompt will be prepended to all user prompts.'))
+    llm_stream_response = BooleanField(_('Stream Response'),
+                                        widget=SwitchWidget(),
+                                        default=False,
+                                        description=_('Stream back the live token-by-token response from the LLM.'))
+    display_info = BooleanField(_('Display LLM Info'), widget=SwitchWidget(), default=True,
+                                 description=_('Display the model name and LLM provider name in the summarizer modal.'))
+    prompts = PromptManagerField(_('Predefined Prompts'))
+
+
+class IndicoAISummaryPlugin(IndicoPlugin):
+    """AI-assisted minutes summarization tool
+
+    Configure your LLM provider as well as predefined prompts to assist in summarizing meeting minutes.
+    """
+
+    configurable = True
+    settings_form = PluginSettingsForm
+    default_settings = {
+        'llm_model_name': None,
+        'llm_provider_name': None,
+        'llm_provider_url': None,
+        'llm_auth_token': None,
+        'llm_host_header': None,
+        'llm_max_tokens': 1024,
+        'llm_temperature': 0.5,
+        'llm_system_prompt': '',
+        'llm_stream_response': False,
+        'display_info': True,
+        'prompts': [],
+    }
+
+    def init(self):
+        super().init()
+        self.template_hook('manage-button-after-notes_compile', self._render_summarize_button)
+        self.inject_bundle('main.js', WPSimpleEventDisplay)
+        self.inject_bundle('main.js', WPPlugins)
+        self.inject_bundle('main.js', WPCategoryManagePrompts)
+        self.inject_bundle('main.css', WPSimpleEventDisplay)
+        self.inject_bundle('main.css', WPPlugins)
+        self.inject_bundle('main.css', WPCategoryManagePrompts)
+        self.connect(signals.menu.items, self._extend_category_menu, sender='category-management-sidemenu')
+
+    def get_blueprints(self):
+        return blueprint
+
+    def _render_summarize_button(self, item, item_type, **kwargs):
+        stream_response = self.settings.get('llm_stream_response')
+        show_info = self.settings.get('display_info')
+        event = item
+
+        llm_info = None
+        if show_info:
+            llm_info = {
+                'provider_name': self.settings.get('llm_provider_name'),
+                'model_name': self.settings.get('llm_model_name')
+            }
+
+        return render_plugin_template('summarize_button.html',
+                                      item=item,
+                                      item_type=item_type,
+                                      category=event.category,
+                                      event=event,
+                                      stream_response=stream_response,
+                                      llm_info=llm_info)
+
+    def _extend_category_menu(self, sender, category, **kwargs):
+        return SideMenuItem(CATEGORY_SIDEMENU_ITEM, _('Prompts'),
+                            url_for('plugin_ai_summary.manage_category_prompts', category),
+                            icon='puzzle', weight=0)
diff --git a/ai_summary/indico_ai_summary/schemas.py b/ai_summary/indico_ai_summary/schemas.py
new file mode 100644
index 000000000..6975fb535
--- /dev/null
+++ b/ai_summary/indico_ai_summary/schemas.py
@@ -0,0 +1,16 @@
+# This file is part of the Indico plugins.
+# Copyright (C) 2002 - 2025 CERN
+#
+# The Indico plugins are free software; you can redistribute
+# them and/or modify them under the terms of the MIT License;
+# see the LICENSE file for more details.
+
+from webargs import fields
+
+from indico.core.marshmallow import mm
+from indico.util.marshmallow import not_empty
+
+
+class PromptSchema(mm.Schema):
+    name = fields.String(required=True, validate=not_empty)
+    text = fields.String(required=True, validate=not_empty)
diff --git a/ai_summary/indico_ai_summary/static/images/file-sparkle.svg b/ai_summary/indico_ai_summary/static/images/file-sparkle.svg
new file mode 100644
index 000000000..fa298c852
--- /dev/null
+++ b/ai_summary/indico_ai_summary/static/images/file-sparkle.svg
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="275.72" height="354.46" version="1.1" viewBox="0 0 275.72 354.46" xml:space="preserve" xmlns="http://www.w3.org/2000/svg"><g transform="translate(0 -9.9844)"><path d="m33.729 9.9844c-18.621 0-33.729 14.884-33.729 33.23v288c0 18.346 15.107 33.23 33.729 33.23h202.38c18.621 0 33.729-14.884 33.729-33.23v-197.31a81.066 79.571 0 0 1-33.729 21.82v175.49h-202.38v-288h105.13a81.066 79.571 0 0 1 34.814-33.23zm42.162 163.38c-4.6378 0-8.4316 3.7394-8.4316 8.3086v19.385c0 4.5692 3.7939 8.3066 8.4316 8.3066h118.05c4.6378 0 8.4316-3.7374 8.4316-8.3066v-19.385c0-4.5692-3.7939-8.3086-8.4316-8.3086zm0 58.154c-4.6378 0-8.4316 3.7374-8.4316 8.3066v19.385c0 4.5692 3.7939 8.3086 8.4316 8.3086h118.05c4.6378 0 8.4316-3.7394 8.4316-8.3086v-19.385c0-4.5692-3.7939-8.3066-8.4316-8.3066z" style="stroke-width:.69748"/><g transform="matrix(2.9977 0 0 2.976 131.92 5.4154)"><path d="m22.462 11.035 2.88 7.097c1.204 2.968 3.558 5.322 6.526 6.526l7.097 2.88c1.312 0.533 1.312 2.391 0 2.923l-7.097 2.88c-2.968 1.204-5.322 3.558-6.526 6.526l-2.88 7.097c-0.533 1.312-2.391 1.312-2.923 0l-2.88-7.097c-1.204-2.968-3.558-5.322-6.526-6.526l-7.097-2.88c-1.312-0.533-1.312-2.391 0-2.923l7.097-2.88c2.968-1.204 5.322-3.558 6.526-6.526l2.88-7.097c0.532-1.312 2.39-1.312 2.923 0z"/><path d="m39.945 2.701 0.842 2.428c0.664 1.915 2.169 3.42 4.084 4.084l2.428 0.842c0.896 0.311 0.896 1.578 0 1.889l-2.428 0.842c-1.915 0.664-3.42 2.169-4.084 4.084l-0.842 2.428c-0.311 0.896-1.578 0.896-1.889 0l-0.842-2.428c-0.664-1.915-2.169-3.42-4.084-4.084l-2.428-0.842c-0.896-0.311-0.896-1.578 0-1.889l2.428-0.842c1.915-0.664 3.42-2.169 4.084-4.084l0.842-2.428c0.31-0.896 1.578-0.896 1.889 0z"/></g></g></svg>
diff --git a/ai_summary/indico_ai_summary/static/images/sparkle.svg b/ai_summary/indico_ai_summary/static/images/sparkle.svg
new file mode 100644
index 000000000..061e14dbe
--- /dev/null
+++ b/ai_summary/indico_ai_summary/static/images/sparkle.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 50 50" width="15px" height="15px"><path fill="#0099c9" d="M22.462 11.035l2.88 7.097c1.204 2.968 3.558 5.322 6.526 6.526l7.097 2.88c1.312.533 1.312 2.391 0 2.923l-7.097 2.88c-2.968 1.204-5.322 3.558-6.526 6.526l-2.88 7.097c-.533 1.312-2.391 1.312-2.923 0l-2.88-7.097c-1.204-2.968-3.558-5.322-6.526-6.526l-7.097-2.88c-1.312-.533-1.312-2.391 0-2.923l7.097-2.88c2.968-1.204 5.322-3.558 6.526-6.526l2.88-7.097C20.071 9.723 21.929 9.723 22.462 11.035zM39.945 2.701l.842 2.428c.664 1.915 2.169 3.42 4.084 4.084l2.428.842c.896.311.896 1.578 0 1.889l-2.428.842c-1.915.664-3.42 2.169-4.084 4.084l-.842 2.428c-.311.896-1.578.896-1.889 0l-.842-2.428c-.664-1.915-2.169-3.42-4.084-4.084l-2.428-.842c-.896-.311-.896-1.578 0-1.889l2.428-.842c1.915-.664 3.42-2.169 4.084-4.084l.842-2.428C38.366 1.805 39.634 1.805 39.945 2.701z"/></svg>
diff --git a/ai_summary/indico_ai_summary/templates/forms/prompt_manager_field_widget.html b/ai_summary/indico_ai_summary/templates/forms/prompt_manager_field_widget.html
new file mode 100644
index 000000000..8cba5e338
--- /dev/null
+++ b/ai_summary/indico_ai_summary/templates/forms/prompt_manager_field_widget.html
@@ -0,0 +1,18 @@
+{% extends 'forms/base_widget.html' %}
+
+{% block html %}
+    <div>
+        <input type="hidden" name="{{ field.name }}" id="{{ field.id }}-data"
+               {% if field.data is not none %}value="{{ field.data | tojson | forceescape }}"{% endif %}
+               {{ input_args | html_params }}>
+        <span id="{{ field.id }}"></span>
+    </div>
+{% endblock %}
+
+{% block javascript %}
+    <script>
+        setupPromptManagerFieldWidget({
+            fieldId: {{ field.id | tojson }},
+        });
+    </script>
+{% endblock %}
diff --git a/ai_summary/indico_ai_summary/templates/manage_category_prompts.html b/ai_summary/indico_ai_summary/templates/manage_category_prompts.html
new file mode 100644
index 000000000..aea5a69ff
--- /dev/null
+++ b/ai_summary/indico_ai_summary/templates/manage_category_prompts.html
@@ -0,0 +1,15 @@
+{% extends 'categories/management/base.html' %}
+
+{% block title %}
+    {% trans %}Predefined Prompts{% endtrans %}
+{% endblock %}
+
+{% block content %}
+    <div
+        id="plugin-ai-summary-prompts"
+        data-category-id="{{ category.id }}"
+        data-prompts="{{ stored_prompts | tojson | forceescape }}"></div>
+    <script>
+        setupCategoryManagePrompts();
+    </script>
+{% endblock %}
diff --git a/ai_summary/indico_ai_summary/templates/summarize_button.html b/ai_summary/indico_ai_summary/templates/summarize_button.html
new file mode 100644
index 000000000..2f0d6748c
--- /dev/null
+++ b/ai_summary/indico_ai_summary/templates/summarize_button.html
@@ -0,0 +1,9 @@
+<li>
+    <ind-summarize-button
+        category-id="{{ category.id }}"
+        event-id="{{ event.id }}"
+        stream-response="{{ stream_response | tojson | forceescape }}"
+        llm-info="{{ llm_info | tojson | forceescape }}"
+    >
+    </ind-summarize-button>
+</li>
diff --git a/ai_summary/indico_ai_summary/utils.py b/ai_summary/indico_ai_summary/utils.py
new file mode 100644
index 000000000..b4d99f509
--- /dev/null
+++ b/ai_summary/indico_ai_summary/utils.py
@@ -0,0 +1,77 @@
+# This file is part of the Indico plugins.
+# Copyright (C) 2002 - 2025 CERN
+#
+# The Indico plugins are free software; you can redistribute
+# them and/or modify them under the terms of the MIT License;
+# see the LICENSE file for more details.
+
+import itertools
+import json
+from collections.abc import Generator
+
+from html2text import HTML2Text
+
+from indico.modules.categories.models.categories import Category
+from indico.util.string import render_markdown, sanitize_html
+
+from indico_ai_summary.llm_interface import LLMInterface
+from indico_ai_summary.models.llm_prompt import LLMPrompt
+
+
+def html_to_markdown(html_string: str) -> str:
+    """Convert a HTML string to Markdown.
+
+    :param html_string: The input HTML string.
+    :return: The converted Markdown string.
+    """
+    h = HTML2Text()
+    h.ignore_links = False
+    h.ignore_images = True
+    h.body_width = 0
+    return h.handle(html_string)
+
+
+def markdown_to_html(markdown_string: str) -> str:
+    """Convert a Markdown string to HTML using :func:`render_markdown` from the core.
+
+    :param markdown_string: The input Markdown string.
+    :return: The converted HTML string.
+    """
+    return render_markdown(markdown_string)
+
+
+def chunk_text(text: str, max_tokens: int = 1500) -> list[str]:
+    """Chunk text into smaller parts based on a maximum token count.
+
+    :param text: The input text to be chunked.
+    :param max_tokens: The maximum number of tokens per chunk.
+    :return: A list of text chunks.
+    """
+    return [' '.join(batch) for batch in itertools.batched(text.split(), max_tokens)]
+
+
+def generate_chunk_stream(chunks: list[str], prompt: str, llm_model: LLMInterface) -> Generator[str, None, None]:
+    """Generate a stream of chunks from the LLM model."""
+    # Maintain a cumulative markdown buffer across all text chunks so snapshots grow
+    md_total = ''
+    for chunk in chunks:
+        full_prompt = f'{prompt}\n\n{chunk}'
+        response_stream = llm_model.execute(full_prompt, stream=True)
+        if not response_stream:
+            yield f"data: {json.dumps({'error': 'Streaming error: No response received.'})}\n\n"
+            return
+        try:
+            for delta in response_stream:
+                md_total += delta
+                html_snapshot = sanitize_html(markdown_to_html(md_total))
+                yield f"data: {json.dumps({'summary_html': html_snapshot, 'summary_markdown': md_total})}\n\n"
+        except Exception as e:
+            yield f"data: {json.dumps({'error': f'Streaming error: {e}'})}\n\n"
+            return
+    yield 'data: [DONE]\n\n'
+
+
+def get_all_prompts(category: Category) -> set[LLMPrompt]:
+    """Get all prompts defined for the given event/category."""
+    current_category = category or Category.get_root()
+    return set(LLMPrompt.query.filter(LLMPrompt.category_id.in_(categ['id'] for categ in current_category.chain)).all())
diff --git a/ai_summary/indico_ai_summary/views.py b/ai_summary/indico_ai_summary/views.py
new file mode 100644
index 000000000..75ca5db9b
--- /dev/null
+++ b/ai_summary/indico_ai_summary/views.py
@@ -0,0 +1,13 @@
+# This file is part of the Indico plugins.
+# Copyright (C) 2002 - 2025 CERN
+#
+# The Indico plugins are free software; you can redistribute
+# them and/or modify them under the terms of the MIT License;
+# see the LICENSE file for more details.
+
+from indico.core.plugins import WPJinjaMixinPlugin
+from indico.modules.categories.views import WPCategoryManagement
+
+
+class WPCategoryManagePrompts(WPJinjaMixinPlugin, WPCategoryManagement):
+    pass
diff --git a/ai_summary/pyproject.toml b/ai_summary/pyproject.toml
new file mode 100644
index 000000000..489fbb5b9
--- /dev/null
+++ b/ai_summary/pyproject.toml
@@ -0,0 +1,52 @@
+[project]
+name = 'indico-plugin-ai-summary'
+description = 'Summarize Indico meeting minutes using a Large Language Model'
+readme = 'README.md'
+version = '3.3-dev'
+license = 'MIT'
+authors = [{ name = 'Indico Team', email = 'indico-team@cern.ch' }]
+classifiers = [
+    'Environment :: Plugins',
+    'Environment :: Web Environment',
+    'License :: OSI Approved :: MIT License',
+    'Programming Language :: Python :: 3.12',
+]
+requires-python = '>=3.12.2, <3.13'
+dependencies = [
+    'indico>=3.3.9.dev0',
+    'llm==0.27.1',
+    'llm-gpt4all==0.4',
+    'llm-mistral==0.15',
+]
+
+[project.urls]
+GitHub = 'https://github.com/indico/indico-plugins'
+
+[project.entry-points.'indico.plugins']
+ai_summary = "indico_ai_summary.plugin:IndicoAISummaryPlugin"
+
+[build-system]
+requires = ['hatchling==1.27.0']
+build-backend = 'hatchling.build'
+
+[tool.hatch.build]
+packages = ['indico_ai_summary']
+exclude = [
+    '*.no-header',
+    '.keep',
+    # exclude original client sources (they are all included in source maps anyway)
+    'indico_*/client/',
+    # no need for tests outside development
+    'test_snapshots/',
+    'tests/',
+    '*_test.py',
+]
+artifacts = [
+    'indico_*/translations/**/messages-react.json',
+    'indico_*/translations/**/*.mo',
+    'indico_*/static/dist/',
+]
+
+[tool.hatch.build.targets.sdist.hooks.custom]
+path = '../hatch_build.py'
+dependencies = ['babel==2.16.0']
diff --git a/ai_summary/webpack-bundles.json b/ai_summary/webpack-bundles.json
new file mode 100644
index 000000000..5f28835f4
--- /dev/null
+++ b/ai_summary/webpack-bundles.json
@@ -0,0 +1,5 @@
+{
+  "entry": {
+    "main": "./index.js"
+  }
+}