diff --git a/README.md b/README.md
index b32bdca0..55842b27 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,81 @@
 # Open CoDesign
 
+<p align="center">
+  <a href="https://www.atlascloud.ai/?utm_source=github&utm_medium=link&utm_campaign=open-codesign">
+    <img src="https://raw.githubusercontent.com/OpenCoworkAI/open-codesign/main/website/public/atlas-cloud-logo.png" alt="Atlas Cloud" width="200">
+  </a>
+</p>
+
+> 🎁 **[Atlas Cloud](https://www.atlascloud.ai/?utm_source=github&utm_medium=link&utm_campaign=open-codesign)** is the full-modal AI platform behind open-codesign — providing Claude Opus/Sonnet/Haiku plus 59 frontier LLMs via OpenAI-compatible API for AI-powered design. [View all models](https://www.atlascloud.ai/models) · [Coding Plan](https://www.atlascloud.ai/console/coding-plan)
+
+<details>
+<summary>📋 59 models available on Atlas Cloud</summary>
+
+| Model | Type |
+|-------|------|
+| deepseek-ai/deepseek-v4-pro | LLM |
+| deepseek-ai/deepseek-v4-0520 | LLM |
+| deepseek-ai/deepseek-v4-flash | LLM |
+| deepseek-ai/deepseek-r2 | LLM |
+| deepseek-ai/deepseek-r2-0528 | LLM |
+| deepseek-ai/deepseek-r1-0528 | LLM |
+| deepseek-ai/deepseek-r1 | LLM |
+| deepseek-ai/deepseek-prover-v2 | LLM |
+| moonshot-ai/kimi-k2 | LLM |
+| moonshot-ai/kimi-k2-0711 | LLM |
+| moonshot-ai/kimi-k1.5-long | LLM |
+| qwen/qwen3-235b-a22b | LLM |
+| qwen/qwen3-30b-a3b | LLM |
+| qwen/qwen3-32b | LLM |
+| qwen/qwq-32b | LLM |
+| openai/gpt-5 | LLM |
+| openai/gpt-5-mini | LLM |
+| openai/gpt-4.1 | LLM |
+| openai/gpt-4o | LLM |
+| openai/o3 | LLM |
+| openai/o4-mini | LLM |
+| openai/o3-mini | LLM |
+| anthropic/claude-sonnet-4-5 | LLM |
+| anthropic/claude-opus-4 | LLM |
+| anthropic/claude-sonnet-4 | LLM |
+| anthropic/claude-haiku-4-5 | LLM |
+| google/gemini-2.5-pro | LLM |
+| google/gemini-2.5-flash | LLM |
+| google/gemini-2.5-flash-lite | LLM |
+| google/gemini-2.0-flash | LLM |
+| xai/grok-4 | LLM |
+| xai/grok-3 | LLM |
+| xai/grok-3-mini | LLM |
+| meta-llama/llama-4-scout | LLM |
+| meta-llama/llama-4-maverick | LLM |
+| meta-llama/llama-3.3-70b | LLM |
+| cohere/command-a | LLM |
+| mistral/mistral-large | LLM |
+| minimax/minimax-m1 | LLM |
+| 01ai/yi-lightning | LLM |
+| seedance/seedance-v1-pro | Video |
+| seedance/seedance-v1-pro-fast | Video |
+| seedance/seedance-v1-lite | Video |
+| kling/kling-v2.1-pro | Video |
+| kling/kling-v2.1-standard | Video |
+| kling/kling-v1.6-pro | Video |
+| kling/kling-v1.6-standard | Video |
+| wan2/wan2.1-t2v-turbo | Video |
+| wan2/wan2.1-i2v-turbo | Video |
+| veo/veo3.1-fast | Video |
+| veo/veo3-fast | Video |
+| veo/veo3 | Video |
+| runway/gen4-turbo | Video |
+| stable-diffusion/sd3.5-large | Image |
+| flux/flux1.1-pro-ultra | Image |
+| flux/flux1.1-pro | Image |
+| ideogram/ideogram-v3 | Image |
+| recraft/recraft-v3 | Image |
+| minimax/hailuo-i2v-01-live | Video |
+</details>
+
+---
+
 **简体中文**: [README.zh-CN.md](./README.zh-CN.md)
 
 > Your prompts. Your model. Your laptop.
diff --git a/packages/shared/src/config.ts b/packages/shared/src/config.ts
index 12aac774..fa1cda34 100644
--- a/packages/shared/src/config.ts
+++ b/packages/shared/src/config.ts
@@ -21,6 +21,7 @@ export const SUPPORTED_ONBOARDING_PROVIDERS = [
   'openai',
   'openrouter',
   'ollama',
+  'atlascloud',
 ] as const;
 export type SupportedOnboardingProvider = (typeof SUPPORTED_ONBOARDING_PROVIDERS)[number];
 
@@ -294,6 +295,21 @@ export const BUILTIN_PROVIDERS: Readonly<Record<SupportedOnboardingProvider, Pro
       modelDiscoveryMode: 'models',
     },
   },
+  atlascloud: {
+    id: 'atlascloud',
+    name: 'Atlas Cloud',
+    builtin: true,
+    wire: 'openai-chat',
+    baseUrl: 'https://api.atlascloud.ai/v1',
+    defaultModel: 'anthropic/claude-sonnet-4',
+    capabilities: {
+      supportsKeyless: false,
+      supportsModelsEndpoint: true,
+      supportsReasoning: true,
+      requiresClaudeCodeIdentity: false,
+      modelDiscoveryMode: 'models',
+    },
+  },
 } as const;
 
 // ── ConfigSchema v3 — canonical on-disk shape ────────────────────────────────
@@ -514,6 +530,20 @@ export const PROVIDER_SHORTLIST: Record<SupportedOnboardingProvider, ProviderSho
     primary: [OLLAMA_DEFAULT_MODEL, 'llama3.1', 'qwen2.5'],
     defaultPrimary: OLLAMA_DEFAULT_MODEL,
   },
+  atlascloud: {
+    provider: 'atlascloud',
+    label: 'Atlas Cloud',
+    keyHelpUrl: 'https://www.atlascloud.ai/console',
+    primary: [
+      'anthropic/claude-sonnet-4',
+      'anthropic/claude-opus-4',
+      'anthropic/claude-haiku-4-5',
+      'openai/gpt-4o',
+      'deepseek-ai/deepseek-v4-pro',
+      'google/gemini-2.5-pro',
+    ],
+    defaultPrimary: 'anthropic/claude-sonnet-4',
+  },
 };
 
 export function isSupportedOnboardingProvider(p: string): p is SupportedOnboardingProvider {
@@ -527,6 +557,7 @@ export function isSupportedOnboardingProvider(p: string): p is SupportedOnboardi
 export function detectWireFromBaseUrl(baseUrl: string): WireApi {
   const lower = baseUrl.toLowerCase();
   if (lower.includes('anthropic')) return 'anthropic';
+  if (lower.includes('atlascloud')) return 'openai-chat';
   let host = '';
   try {
     host = new URL(baseUrl).hostname.toLowerCase();
diff --git a/website/public/atlas-cloud-logo.png b/website/public/atlas-cloud-logo.png
new file mode 100644
index 00000000..780a4769
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