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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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2
src/mcp/client/stdio.py
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@ -167,7 +167,7 @@ async def stdio_client(server: StdioServerParameters, errlog: TextIO = sys.stder
try:
async with write_stream_reader:
async for session_message in write_stream_reader:
json = session_message.message.model_dump_json(by_alias=True, exclude_none=True)
json = session_message.message.model_dump_json(by_alias=True, exclude_unset=True)
await process.stdin.send(
(json + "\n").encode(
encoding=server.encoding,