[project] name = "fastmcp" dynamic = ["version", "dependencies", "optional-dependencies"] description = "The fast, Pythonic way to build MCP servers and clients." authors = [{ name = "Jeremiah Lowin" }] requires-python = ">=3.10" readme = "README.md" license = "Apache-2.0" keywords = [ "mcp", "mcp server", "mcp client", "model context protocol", "fastmcp", "llm", "agent", ] classifiers = [ "Intended Audience :: Developers", "License :: OSI Approved :: Apache Software License", "Topic :: Scientific/Engineering :: Artificial Intelligence", "Programming Language :: Python :: 3.10", "Programming Language :: Python :: 3.11", "Programming Language :: Python :: 3.12", "Programming Language :: Python :: 3.13", "Typing :: Typed", ] [project.urls] Homepage = "https://gofastmcp.com" Repository = "https://github.com/PrefectHQ/fastmcp" Documentation = "https://gofastmcp.com" [build-system] requires = ["hatchling", "uv-dynamic-versioning>=0.7.0"] build-backend = "hatchling.build" [tool.hatch.version] source = "uv-dynamic-versioning" [tool.hatch.build.targets.wheel] bypass-selection = true only-include = [] exclude = ["/*"] [tool.hatch.metadata] allow-direct-references = true [tool.hatch.metadata.hooks.uv-dynamic-versioning] dependencies = [ "fastmcp-slim[client,server]=={{ version }}", ] [tool.hatch.metadata.hooks.uv-dynamic-versioning.optional-dependencies] anthropic = ["fastmcp-slim[anthropic]=={{ version }}"] apps = ["fastmcp-slim[apps]=={{ version }}"] azure = ["fastmcp-slim[azure]=={{ version }}"] code-mode = ["fastmcp-slim[code-mode]=={{ version }}"] gemini = ["fastmcp-slim[gemini]=={{ version }}"] openai = ["fastmcp-slim[openai]=={{ version }}"] tasks = ["fastmcp-slim[tasks]=={{ version }}"] [tool.uv-dynamic-versioning] vcs = "git" style = "pep440" bump = true fallback-version = "0.0.0" [tool.uv.workspace] members = ["fastmcp_slim", "fastmcp_remote"] [tool.uv] default-groups = ["dev"] exclude-newer = "1 week" exclude-newer-package = { prefab-ui = false } [dependency-groups] dev = [ "dirty-equals>=0.9.0", "fastmcp[anthropic,apps,azure,code-mode,gemini,openai,tasks]", "fastapi>=0.115.12", "fastmcp-remote", "opentelemetry-sdk>=1.20.0", "inline-snapshot[dirty-equals]>=0.27.2", "ipython>=8.12.3", "pdbpp>=0.11.7", "psutil>=7.0.0", "pyinstrument>=5.0.2", "pyperclip>=1.9.0", "pytest>=8.3.3", "pytest-asyncio>=1.2.0", "pytest-cov>=6.1.1", "pytest-env>=1.1.5", "pytest-flakefinder>=1.1.0", "pytest-httpx>=0.35.0", "pytest-report>=0.2.1", "pytest-retry>=1.7.0", "pytest-timeout>=2.4.0", "pytest-xdist>=3.6.1", "ruff>=0.12.8", "ty>=0.0.39", "prek>=0.2.12", "loq>=0.1.0a3", "opentelemetry-exporter-otlp-proto-grpc>=1.39.0", "pytest-examples>=0.0.18", ] [tool.uv.sources] fastmcp = { workspace = true } fastmcp-slim = { workspace = true } fastmcp-remote = { workspace = true } [tool.pytest.ini_options] asyncio_mode = "auto" asyncio_default_fixture_loop_scope = "function" filterwarnings = [ "ignore:Using in-memory token storage:UserWarning", "error:coroutine .* was never awaited:RuntimeWarning", "error:Exception ignored in.*coroutine:pytest.PytestUnraisableExceptionWarning", ] timeout = 5 env = [ "FASTMCP_TEST_MODE=1", 'D:FASTMCP_LOG_LEVEL=DEBUG', 'D:FASTMCP_ENABLE_RICH_TRACEBACKS=0', ] markers = [ "integration: marks tests as integration tests (deselect with '-m \"not integration\"')", "client_process: marks tests that spawn client processes via stdio transport. These can create issues when run in the same CI environment as other subprocess-based tests.", "conformance: marks MCP conformance tests (require Node.js/npx)", ] pythonpath = ["fastmcp_slim", "fastmcp_remote"] testpaths = ["tests"] python_files = ["test_*.py", "*_test.py"] python_classes = ["Test*"] python_functions = ["test_*"] addopts = ["--inline-snapshot=disable"] [tool.ty.src] include = ["fastmcp_slim", "fastmcp_remote", "tests"] exclude = ["**/node_modules", "**/__pycache__", ".venv", ".git", "dist"] [tool.ty.environment] python-version = "3.10" [tool.ty.analysis] replace-imports-with-any = ["prefab_ui.**"] [tool.ty.rules] division-by-zero = "warn" possibly-missing-attribute = "warn" possibly-missing-import = "warn" possibly-unresolved-reference = "warn" unsupported-dynamic-base = "warn" unsupported-operator = "warn" unused-ignore-comment = "warn" [tool.ty.terminal] error-on-warning = true [tool.ruff.lint] fixable = ["ALL"] ignore = [ "COM812", "PERF203", "PLR0913", "SIM102", ] extend-select = [ "B", "C4", "DTZ", "ERA", "FA", "FLY", "I", "INP", "ISC", "LOG", "PERF", "PIE", "PLE", "RSE", "RUF", "SIM", "SLOT", "T20", "TID", "UP", ] [tool.ruff.lint.isort] known-first-party = ["fastmcp", "fastmcp_remote"] [tool.ruff.lint.per-file-ignores] "__init__.py" = ["F401", "I001", "RUF013"] "fastmcp_slim/fastmcp/__init__.py" = ["E402"] "fastmcp_slim/fastmcp/cli/**.py" = ["T20"] "fastmcp_slim/fastmcp/client/oauth_callback.py" = ["T20"] "fastmcp_slim/fastmcp/contrib/**/example.py" = ["T20"] "!fastmcp_slim/fastmcp/**.py" = [ "B", "C4", "DTZ", "ERA", "FA", "FLY", "INP", "ISC", "LOG", "PERF", "PIE", "PLE", "RSE", "RUF", "SIM", "SLOT", "T20", "TID", ] [tool.codespell] ignore-words-list = "asend,shttp,te"