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test: add tests for either FastMCP implementation #5075

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d306c01
test: add tests for either FastMCP implementation
constantinius Nov 5, 2025
52f09d3
test: add fastmcp to tox population script
constantinius Nov 6, 2025
7e75235
fix: moving fastmcp tests to separate directory
constantinius Nov 7, 2025
40ec863
Merge branch 'master' into constantinius/test/integrations/fastmcp
constantinius Nov 11, 2025
029891a
Run split_tox_gh_actions
alexander-alderman-webb Nov 13, 2025
56f9b33
test: fix fastmcp tests
constantinius Nov 14, 2025
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4 changes: 4 additions & 0 deletions .github/workflows/test-integrations-ai.yml
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Expand Up @@ -86,6 +86,10 @@ jobs:
run: |
set -x # print commands that are executed
./scripts/runtox.sh "py${{ matrix.python-version }}-mcp"
- name: Test fastmcp
run: |
set -x # print commands that are executed
./scripts/runtox.sh "py${{ matrix.python-version }}-fastmcp"
- name: Test openai-base
run: |
set -x # print commands that are executed
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6 changes: 6 additions & 0 deletions scripts/populate_tox/config.py
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Expand Up @@ -249,6 +249,12 @@
"*": ["pytest-asyncio"],
},
},
"fastmcp": {
"package": "fastmcp",
"deps": {
"*": ["pytest-asyncio"],
},
},
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@cursor cursor bot Nov 14, 2025

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Bug: Python versioning breaks CI compatibility.

The fastmcp configuration is missing a Python version constraint. All fastmcp package versions require Python >=3.10 (visible in releases.jsonl), but the configuration doesn't specify "python": ">=3.10". This causes the GitHub Actions workflow to attempt running fastmcp tests on Python 3.8 and 3.9, which will fail since those tox environments don't exist (tox.ini only generates environments for Python 3.10+). The missing constraint also means tests might attempt to install incompatible package versions.

Fix in Cursor Fix in Web

"openai-base": {
"package": "openai",
"integration_name": "openai",
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4 changes: 4 additions & 0 deletions scripts/populate_tox/releases.jsonl
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Expand Up @@ -70,6 +70,10 @@
{"info": {"classifiers": ["Development Status :: 4 - Beta", "Environment :: Web Environment", "Framework :: AsyncIO", "Framework :: FastAPI", "Framework :: Pydantic", "Framework :: Pydantic :: 1", "Framework :: Pydantic :: 2", "Intended Audience :: Developers", "Intended Audience :: Information Technology", "Intended Audience :: System Administrators", "Operating System :: OS Independent", "Programming Language :: Python", "Programming Language :: Python :: 3", "Programming Language :: Python :: 3 :: Only", "Programming Language :: Python :: 3.10", "Programming Language :: Python :: 3.11", "Programming Language :: Python :: 3.12", "Programming Language :: Python :: 3.13", "Programming Language :: Python :: 3.14", "Programming Language :: Python :: 3.8", "Programming Language :: Python :: 3.9", "Topic :: Internet", "Topic :: Internet :: WWW/HTTP", "Topic :: Internet :: WWW/HTTP :: HTTP Servers", "Topic :: Software Development", "Topic :: Software Development :: Libraries", "Topic :: Software Development :: Libraries :: Application Frameworks", "Topic :: Software Development :: Libraries :: Python Modules", "Typing :: Typed"], "name": "fastapi", "requires_python": ">=3.8", "version": "0.121.0", "yanked": false}, "urls": [{"packagetype": "bdist_wheel", "filename": "fastapi-0.121.0-py3-none-any.whl"}, {"packagetype": "sdist", "filename": "fastapi-0.121.0.tar.gz"}]}
{"info": {"classifiers": ["Development Status :: 4 - Beta", "Environment :: Web Environment", "Framework :: AsyncIO", "Framework :: FastAPI", "Intended Audience :: Developers", "Intended Audience :: Information Technology", "Intended Audience :: System Administrators", "License :: OSI Approved :: MIT License", "Operating System :: OS Independent", "Programming Language :: Python", "Programming Language :: Python :: 3", "Programming Language :: Python :: 3 :: Only", "Programming Language :: Python :: 3.10", "Programming Language :: Python :: 3.6", "Programming Language :: Python :: 3.7", "Programming Language :: Python :: 3.8", "Programming Language :: Python :: 3.9", "Topic :: Internet", "Topic :: Internet :: WWW/HTTP", "Topic :: Internet :: WWW/HTTP :: HTTP Servers", "Topic :: Software Development", "Topic :: Software Development :: Libraries", "Topic :: Software Development :: Libraries :: Application Frameworks", "Topic :: Software Development :: Libraries :: Python Modules", "Typing :: Typed"], "name": "fastapi", "requires_python": ">=3.6.1", "version": "0.79.1", "yanked": false}, "urls": [{"packagetype": "bdist_wheel", "filename": "fastapi-0.79.1-py3-none-any.whl"}, {"packagetype": "sdist", "filename": "fastapi-0.79.1.tar.gz"}]}
{"info": {"classifiers": ["Development Status :: 4 - Beta", "Environment :: Web Environment", "Framework :: AsyncIO", "Framework :: FastAPI", "Intended Audience :: Developers", "Intended Audience :: Information Technology", "Intended Audience :: System Administrators", "License :: OSI Approved :: MIT License", "Operating System :: OS Independent", "Programming Language :: Python", "Programming Language :: Python :: 3", "Programming Language :: Python :: 3 :: Only", "Programming Language :: Python :: 3.10", "Programming Language :: Python :: 3.11", "Programming Language :: Python :: 3.7", "Programming Language :: Python :: 3.8", "Programming Language :: Python :: 3.9", "Topic :: Internet", "Topic :: Internet :: WWW/HTTP", "Topic :: Internet :: WWW/HTTP :: HTTP Servers", "Topic :: Software Development", "Topic :: Software Development :: Libraries", "Topic :: Software Development :: Libraries :: Application Frameworks", "Topic :: Software Development :: Libraries :: Python Modules", "Typing :: Typed"], "name": "fastapi", "requires_python": ">=3.7", "version": "0.93.0", "yanked": false}, "urls": [{"packagetype": "bdist_wheel", "filename": "fastapi-0.93.0-py3-none-any.whl"}, {"packagetype": "sdist", "filename": "fastapi-0.93.0.tar.gz"}]}
{"info": {"classifiers": [], "name": "fastmcp", "requires_python": ">=3.10", "version": "0.1.0", "yanked": false}, "urls": [{"packagetype": "bdist_wheel", "filename": "fastmcp-0.1.0-py3-none-any.whl"}, {"packagetype": "sdist", "filename": "fastmcp-0.1.0.tar.gz"}]}
{"info": {"classifiers": [], "name": "fastmcp", "requires_python": ">=3.10", "version": "0.4.1", "yanked": false}, "urls": [{"packagetype": "bdist_wheel", "filename": "fastmcp-0.4.1-py3-none-any.whl"}, {"packagetype": "sdist", "filename": "fastmcp-0.4.1.tar.gz"}]}
{"info": {"classifiers": [], "name": "fastmcp", "requires_python": ">=3.10", "version": "1.0", "yanked": false}, "urls": [{"packagetype": "bdist_wheel", "filename": "fastmcp-1.0-py3-none-any.whl"}, {"packagetype": "sdist", "filename": "fastmcp-1.0.tar.gz"}]}
{"info": {"classifiers": ["Intended Audience :: Developers", "License :: OSI Approved :: Apache Software License", "Programming Language :: Python :: 3.10", "Programming Language :: Python :: 3.11", "Programming Language :: Python :: 3.12", "Programming Language :: Python :: 3.13", "Topic :: Scientific/Engineering :: Artificial Intelligence", "Typing :: Typed"], "name": "fastmcp", "requires_python": ">=3.10", "version": "2.13.0", "yanked": false}, "urls": [{"packagetype": "bdist_wheel", "filename": "fastmcp-2.13.0-py3-none-any.whl"}, {"packagetype": "sdist", "filename": "fastmcp-2.13.0.tar.gz"}]}
{"info": {"classifiers": ["Intended Audience :: Developers", "License :: OSI Approved :: Apache Software License", "Operating System :: OS Independent", "Programming Language :: Python", "Programming Language :: Python :: 3", "Programming Language :: Python :: 3.10", "Programming Language :: Python :: 3.11", "Programming Language :: Python :: 3.12", "Programming Language :: Python :: 3.13", "Programming Language :: Python :: 3.9", "Topic :: Internet", "Topic :: Software Development :: Libraries :: Python Modules"], "name": "google-genai", "requires_python": ">=3.9", "version": "1.29.0", "yanked": false}, "urls": [{"packagetype": "bdist_wheel", "filename": "google_genai-1.29.0-py3-none-any.whl"}, {"packagetype": "sdist", "filename": "google_genai-1.29.0.tar.gz"}]}
{"info": {"classifiers": ["Intended Audience :: Developers", "License :: OSI Approved :: Apache Software License", "Operating System :: OS Independent", "Programming Language :: Python", "Programming Language :: Python :: 3", "Programming Language :: Python :: 3.10", "Programming Language :: Python :: 3.11", "Programming Language :: Python :: 3.12", "Programming Language :: Python :: 3.13", "Programming Language :: Python :: 3.9", "Topic :: Internet", "Topic :: Software Development :: Libraries :: Python Modules"], "name": "google-genai", "requires_python": ">=3.9", "version": "1.36.0", "yanked": false}, "urls": [{"packagetype": "bdist_wheel", "filename": "google_genai-1.36.0-py3-none-any.whl"}, {"packagetype": "sdist", "filename": "google_genai-1.36.0.tar.gz"}]}
{"info": {"classifiers": ["Intended Audience :: Developers", "License :: OSI Approved :: Apache Software License", "Operating System :: OS Independent", "Programming Language :: Python", "Programming Language :: Python :: 3", "Programming Language :: Python :: 3.10", "Programming Language :: Python :: 3.11", "Programming Language :: Python :: 3.12", "Programming Language :: Python :: 3.13", "Programming Language :: Python :: 3.9", "Topic :: Internet", "Topic :: Software Development :: Libraries :: Python Modules"], "name": "google-genai", "requires_python": ">=3.9", "version": "1.43.0", "yanked": false}, "urls": [{"packagetype": "bdist_wheel", "filename": "google_genai-1.43.0-py3-none-any.whl"}, {"packagetype": "sdist", "filename": "google_genai-1.43.0.tar.gz"}]}
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1 change: 1 addition & 0 deletions scripts/split_tox_gh_actions/split_tox_gh_actions.py
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Expand Up @@ -79,6 +79,7 @@
"langgraph",
"litellm",
"mcp",
"fastmcp",
"openai-base",
"openai-notiktoken",
"openai_agents",
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3 changes: 3 additions & 0 deletions tests/integrations/fastmcp/__init__.py
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@@ -0,0 +1,3 @@
import pytest

pytest.importorskip("mcp")
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