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fix: allow null id in JSONRPCError per JSON-RPC 2.0 spec (#2056)

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Max Isbey 2026-02-17 10:30:34 +00:00 • committed by GitHub
commit 705497a593
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1 changed files with 151 additions and 24 deletions
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4
src/mcp/server/streamable_http_manager.py
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@ -244,11 +244,11 @@ class StreamableHTTPSessionManager:
# See: https://github.com/modelcontextprotocol/python-sdk/issues/1821
error_response = JSONRPCError(
jsonrpc="2.0",
id="server-error",
id=None,
error=ErrorData(code=INVALID_REQUEST, message="Session not found"),
)
response = Response(
content=error_response.model_dump_json(by_alias=True, exclude_none=True),
content=error_response.model_dump_json(by_alias=True, exclude_unset=True),
status_code=HTTPStatus.NOT_FOUND,
media_type="application/json",
)