fix(session): return -32601 for unknown request methods#2225
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lavish0000 wants to merge 3 commits intomodelcontextprotocol:mainfrom
Open
fix(session): return -32601 for unknown request methods#2225lavish0000 wants to merge 3 commits intomodelcontextprotocol:mainfrom
lavish0000 wants to merge 3 commits intomodelcontextprotocol:mainfrom
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Closes #1561
Summary:
METHOD_NOT_FOUNDwhen request validation fails because the method itself is unknownINVALID_PARAMSfor known methods whose payload shape is invalidTesting:
python3 -m uv run pytest tests/issues/test_1561_invalid_method_code.py tests/issues/test_malformed_input.pypython3 -m uv run ruff check src/mcp/shared/session.py src/mcp/server/session.py src/mcp/client/session.py tests/issues/test_1561_invalid_method_code.pypython3 -m uv run ruff format --check src/mcp/shared/session.py src/mcp/server/session.py src/mcp/client/session.py tests/issues/test_1561_invalid_method_code.pypython3 -m uv run pyright src/mcp/shared/session.py src/mcp/server/session.py src/mcp/client/session.py tests/issues/test_1561_invalid_method_code.py