community: move to separate repo (#31060)

langchain-community is moving to
https://github.com/langchain-ai/langchain-community

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,8 +1,8 @@
 Thank you for contributing to LangChain!
 
 - [ ] **PR title**: "package: description"
-  - Where "package" is whichever of langchain, community, core, etc. is being modified. Use "docs: ..." for purely docs changes, "infra: ..." for CI changes.
-  - Example: "community: add foobar LLM"
+  - Where "package" is whichever of langchain, core, etc. is being modified. Use "docs: ..." for purely docs changes, "infra: ..." for CI changes.
+  - Example: "core: add foobar LLM"
 
 
 - [ ] **PR message**: ***Delete this entire checklist*** and replace with
@@ -24,6 +24,5 @@ Additional guidelines:
 - Please do not add dependencies to pyproject.toml files (even optional ones) unless they are required for unit tests.
 - Most PRs should not touch more than one package.
 - Changes should be backwards compatible.
-- If you are adding something to community, do not re-import it in langchain.
 
 If no one reviews your PR within a few days, please @-mention one of baskaryan, eyurtsev, ccurme, vbarda, hwchase17.

.github/scripts/check_diff.py

@@ -16,7 +16,6 @@ LANGCHAIN_DIRS = [
     "libs/core",
     "libs/text-splitters",
     "libs/langchain",
-    "libs/community",
 ]
 
 # when set to True, we are ignoring core dependents
@@ -134,12 +133,6 @@ def _get_configs_for_single_dir(job: str, dir_: str) -> List[Dict[str, str]]:
     elif dir_ == "libs/langchain" and job == "extended-tests":
         py_versions = ["3.9", "3.13"]
 
-    elif dir_ == "libs/community" and job == "extended-tests":
-        py_versions = ["3.9", "3.12"]
-
-    elif dir_ == "libs/community" and job == "compile-integration-tests":
-        # community integration deps are slow in 3.12
-        py_versions = ["3.9", "3.11"]
     elif dir_ == ".":
         # unable to install with 3.13 because tokenizers doesn't support 3.13 yet
         py_versions = ["3.9", "3.12"]
@@ -184,11 +177,6 @@ def _get_pydantic_test_configs(
         else "0"
     )
 
-    custom_mins = {
-        # depends on pydantic-settings 2.4 which requires pydantic 2.7
-        "libs/community": 7,
-    }
-
     max_pydantic_minor = min(
         int(dir_max_pydantic_minor),
         int(core_max_pydantic_minor),
@@ -196,7 +184,6 @@ def _get_pydantic_test_configs(
     min_pydantic_minor = max(
         int(dir_min_pydantic_minor),
         int(core_min_pydantic_minor),
-        custom_mins.get(dir_, 0),
     )
 
     configs = [

.github/scripts/get_min_versions.py

@@ -22,7 +22,6 @@ import re
 
 MIN_VERSION_LIBS = [
     "langchain-core",
-    "langchain-community",
     "langchain",
     "langchain-text-splitters",
     "numpy",
@@ -35,7 +34,6 @@ SKIP_IF_PULL_REQUEST = [
     "langchain-core",
     "langchain-text-splitters",
     "langchain",
-    "langchain-community",
 ]
 
 

.github/scripts/prep_api_docs_build.py

@@ -20,6 +20,8 @@ def get_target_dir(package_name: str) -> Path:
     base_path = Path("langchain/libs")
     if package_name_short == "experimental":
         return base_path / "experimental"
+    if package_name_short == "community":
+        return base_path / "community"
     return base_path / "partners" / package_name_short
 
 

.github/workflows/.codespell-exclude

@@ -1,4 +1,3 @@
-libs/community/langchain_community/llms/yuan2.py
 "NotIn": "not in",
 - `/checkin`: Check-in
 docs/docs/integrations/providers/trulens.mdx

.github/workflows/_integration_test.yml

@@ -34,11 +34,6 @@ jobs:
         shell: bash
         run: uv sync --group test --group test_integration
 
-      - name: Install deps outside pyproject
-        if: ${{ startsWith(inputs.working-directory, 'libs/community/') }}
-        shell: bash
-        run: VIRTUAL_ENV=.venv uv pip install "boto3<2" "google-cloud-aiplatform<2"
-
       - name: Run integration tests
         shell: bash
         env:

.github/workflows/_test_doc_imports.yml

@@ -30,7 +30,7 @@ jobs:
 
       - name: Install langchain editable
         run: |
-          VIRTUAL_ENV=.venv uv pip install langchain-experimental -e libs/core libs/langchain libs/community
+          VIRTUAL_ENV=.venv uv pip install langchain-experimental langchain-community -e libs/core libs/langchain
 
       - name: Check doc imports
         shell: bash