diff --git a/recipes/recipes_emscripten/M2/build.sh b/recipes/recipes_emscripten/M2/build.sh
new file mode 100644
index 0000000000..67195bbb4b
--- /dev/null
+++ b/recipes/recipes_emscripten/M2/build.sh
@@ -0,0 +1,140 @@
+#!/usr/bin/env bash
+set -euxo pipefail
+
+cd M2/BUILD/build
+
+mkdir install_prefix
+
+# Strip the CMP0167 line
+sed -i '/CMP0167/d' ../../cmake/check-libraries.cmake
+
+# Excise the missing submodules from CMake targets
+sed -i '/add_subdirectory(memtailor)/d' ../../Macaulay2/e/CMakeLists.txt
+sed -i '/add_subdirectory(mathic)/d' ../../Macaulay2/e/CMakeLists.txt
+sed -i '/add_subdirectory(mathicgb)/d' ../../Macaulay2/e/CMakeLists.txt
+sed -i '/target_compile_options(mathicgb/,/)/d' ../../Macaulay2/e/CMakeLists.txt
+sed -i '/export(TARGETS.*mathicgb/,/)/d' ../../Macaulay2/CMakeLists.txt
+
+# Patch e/CMakeLists.txt to explicitly link the absolute paths of the conda-forge math packages
+sed -i "s|PUBLIC memtailor mathic mathicgb|PUBLIC $PREFIX/lib/libmemtailor.a $PREFIX/lib/libmathic.a $PREFIX/lib/libmathicgb.a|g" ../../Macaulay2/e/CMakeLists.txt
+sed -i 's|mathicgb mathic memtailor||g' ../../Macaulay2/e/CMakeLists.txt
+
+# Scrub the hardcoded 'quadmath' linking rule from the M2-interpreter CMake configuration
+sed -i '/quadmath/d' ../../Macaulay2/d/CMakeLists.txt
+
+# Remove Readline and History dependencies from the CMake configuration
+sed -i '/find_package(Readline/d' ../../cmake/check-libraries.cmake
+sed -i '/find_package(History/d' ../../cmake/check-libraries.cmake
+sed -i 's/READLINE HISTORY //g' ../../cmake/check-libraries.cmake
+
+# Patch M2lib.c to replace Readline with standard WebAssembly-compatible I/O
+sed -i '/readline\/readline.h/d' ../../Macaulay2/d/M2lib.c
+sed -i '/readline\/history.h/d' ../../Macaulay2/d/M2lib.c
+sed -i '/Functions dealing with libreadline/,$d' ../../Macaulay2/d/M2lib.c
+
+cat << 'EOF' >> ../../Macaulay2/d/M2lib.c
+#include <stdio.h>
+#include <string.h>
+
+int system_readHistory(char *filename) { return 0; }
+int system_appendHistory(int n, char *filename) { return 0; }
+void system_addHistory(char *buf) { }
+char *system_getHistory(const int n) { return NULL; }
+int system_historyLength() { return 0; }
+void system_initReadlineVariables(void) { }
+
+int system_readline(M2_string buffer, int len, int offset, M2_string prompt) {
+  char *p = M2_tocharstar(prompt);
+  printf("%s", p);
+  fflush(stdout);
+  freemem(p);
+  
+  char *buf_ptr = (char *)buffer->array + offset;
+  if (fgets(buf_ptr, len, stdin) == NULL) return 0;
+  
+  int r = strlen(buf_ptr);
+  /* Optional: replace trailing newline with null terminator if strictly needed */
+  return r;
+}
+EOF
+
+# Patch version.dd to remove readline version queries
+sed -i '/readline\/readline.h/d' ../../Macaulay2/d/version.dd
+sed -i 's/"readline version" => Ccode(constcharstar,"stringize(RL_VERSION_MAJOR) \\".\\" stringize(RL_VERSION_MINOR)"),/"readline version" => "not present",/g' ../../Macaulay2/d/version.dd
+
+# Patch FindNauty.cmake to prevent it from shadowing the CLI variables
+sed -i '/set(NAUTY_INCLUDE_DIR NOTFOUND)/d' ../../cmake/FindNauty.cmake
+sed -i '/set(NAUTY_LIBRARIES NOTFOUND)/d' ../../cmake/FindNauty.cmake
+sed -i '/_NAUTY_check_version()/d' ../../cmake/FindNauty.cmake
+
+# Forcefully append hidden dependencies to Find modules so they are guaranteed to link
+echo "list(APPEND NORMALIZ_LIBRARIES \"$PREFIX/lib/libcocoa.a\")" >> ../../cmake/FindNormaliz.cmake
+echo "list(APPEND FACTORY_LIBRARIES \"$PREFIX/lib/libomalloc.a\" \"$PREFIX/lib/libsingular_resources.a\")" >> ../../cmake/FindFactory.cmake
+
+# Patch gc-include.h to stop it from forcing multithreading on Boehm GC
+sed -i '/#define GC_THREADS 1/d' ../../include/M2/gc-include.h
+sed -i '/#define GC_LINUX_THREADS/d' ../../include/M2/gc-include.h
+
+# Force static linking of OpenBLAS by deleting the dynamic library from the build prefix
+rm -f $PREFIX/lib/libopenblas.so*
+
+# Create a dummy library to stub the unsupported pthread_kill signal
+echo "int pthread_kill(long t, int s) { return 0; }" > dummy_pthread.c
+emcc -c dummy_pthread.c -o dummy_pthread.o
+emar rcs $PREFIX/lib/libdummy_pthread.a dummy_pthread.o
+
+sed -i 's/if(LDD)/if(FALSE)/g' ../../Macaulay2/bin/CMakeLists.txt
+sed -i 's/exec `/exec node --max-old-space-size=4096 `/g' ../../Macaulay2/bin/CMakeLists.txt
+
+cat << 'EOF' >> ../../Macaulay2/bin/CMakeLists.txt
+
+target_link_options(M2-binary PRIVATE
+  "-sTOTAL_STACK=32mb"
+  "-sINITIAL_MEMORY=2gb"
+  "-sALLOW_MEMORY_GROWTH=1"
+  "-sMAXIMUM_MEMORY=4gb"
+  "-sFORCE_FILESYSTEM=1"
+  "-sNODERAWFS=1"
+)
+EOF
+
+# Create active dummy executables that return a clean exit 0
+mkdir -p $PREFIX/bin
+
+echo '#!/bin/sh' > $PREFIX/bin/normaliz
+echo 'exit 0' >> $PREFIX/bin/normaliz
+chmod +x $PREFIX/bin/normaliz
+
+echo '#!/bin/sh' > $PREFIX/bin/dreadnaut
+echo 'exit 0' >> $PREFIX/bin/dreadnaut
+chmod +x $PREFIX/bin/dreadnaut
+
+emcmake cmake -S ../.. -B . \
+      -DCMAKE_BUILD_TYPE=Release \
+      -DCMAKE_INSTALL_PREFIX=install_prefix \
+      -DCMAKE_PREFIX_PATH=$PREFIX \
+      -DCMAKE_FIND_ROOT_PATH=$PREFIX \
+      -DBLA_VENDOR=OpenBLAS \
+      -DBLAS_LIBRARIES=$PREFIX/lib/libopenblas.a \
+      -DLAPACK_LIBRARIES=$PREFIX/lib/libopenblas.a \
+      -DBoost_NO_BOOST_CMAKE=ON \
+      -DWITH_OMP=OFF \
+      -DCMAKE_C_FLAGS="-DGC_NO_THREAD_REDIRECTS -DGC_NO_THREADS=2" \
+      -DCMAKE_CXX_FLAGS="-DGC_NO_THREAD_REDIRECTS -DGC_NO_THREADS=2" \
+      -DCMAKE_EXE_LINKER_FLAGS="-s ALLOW_MEMORY_GROWTH=1 -s NODERAWFS=1 -L$PREFIX/lib -ldummy_pthread -s TOTAL_STACK=32MB -s INITIAL_MEMORY=2GB -s MAXIMUM_MEMORY=4GB -s FORCE_FILESYSTEM=1" \
+      -DWITH_PYTHON=OFF \
+      -DCMAKE_DISABLE_FIND_PACKAGE_LATEX=ON \
+      -DCHECK_LIBRARY_COMPATIBILITY=OFF \
+      -DNAUTY_EXECUTABLE=$PREFIX/bin/dreadnaut \
+      -DNAUTY_INCLUDE_DIR=$PREFIX/include \
+      -DNAUTY_LIBRARIES=$PREFIX/lib/libnauty.a \
+      -DNAUTY_VERSION_OK=ON \
+      -DNORMALIZ_EXECUTABLE=$PREFIX/bin/normaliz \
+      -DNORMALIZ_INCLUDE_DIR=$PREFIX/include \
+      -DNORMALIZ_LIBRARIES=$PREFIX/lib/libnormaliz.a \
+      -DBUILD_NATIVE=OFF
+
+emmake make build-libraries
+emmake make M2-binary M2-core
+emmake make build-programs
+emmake install-packages
diff --git a/recipes/recipes_emscripten/M2/recipe.yaml b/recipes/recipes_emscripten/M2/recipe.yaml
new file mode 100644
index 0000000000..493c9a367f
--- /dev/null
+++ b/recipes/recipes_emscripten/M2/recipe.yaml
@@ -0,0 +1,84 @@
+context:
+  name: M2
+  version: 1.26.06
+
+package:
+  name: ${{ name }}
+  version: ${{ version }}
+
+source:
+  url: https://github.com/Macaulay2/M2/releases/download/release-${{ version }}/Macaulay2-${{ version }}.tar.gz
+  sha256: 9ba54041626f6364036f84b4168704d74136d1bec2dbe08d9d0fb3fef2a0c854
+
+build:
+  number: 0
+
+requirements:
+  build:
+  - autoconf
+  - automake
+  - libtool
+  - make
+  - ${{ compiler("c") }}
+  - ${{ compiler('cxx') }}
+  - pkg-config
+  - autoconf-archive
+  - bison
+  - flex
+  - diffutils
+  - patch
+  - gettext
+  - nodejs >=22
+  - gfortran
+  host:
+  - 4ti2
+  - libgc
+  - boost-cpp
+  - cddlib
+  - csdp
+  - eigen
+  - fflas-ffpack
+  - libflint
+  - givaro
+  - glpk
+  - jansson
+  - libxml2
+  - lrslib
+  - mpfi
+  - topcom
+  - cohomcalg
+  - fplll
+  - libfrobby
+  - glpk
+  - gmp
+  - xz
+  - memtailor
+  - mathic
+  - mathicgb
+  - mpfr
+  - mpsolve
+  - nauty
+  - normaliz
+  - ntl
+  - openblas
+  - singular
+  - lrslib
+  - onetbb
+  - zlib
+  - libffi
+  - gfanlib
+  - msolve
+  - gdbm
+  - gtest
+  - zlib
+  - cocoalib
+
+about:
+  homepage: https://macaulay2.com/
+  license: GPL-2.0-or-later
+  license_file: README.md
+  summary: The primary source code repository for Macaulay2, a system for computing in commutative algebra, algebraic geometry and related fields. 
+
+extra:
+  recipe-maintainers:
+  - wangyenshu