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

2026-02-17 10:30:34 +00:00 · 2026-02-17 10:30:34 +00:00 · 705497a593
commit 705497a593
parent 3b53fb9a00
1 changed files with 151 additions and 24 deletions
--- a/src/mcp/client/sse.py
+++ b/src/mcp/client/sse.py
@ -138,7 +138,7 @@ async def sse_client(
                                        json=session_message.message.model_dump(
                                            by_alias=True,
                                            mode="json",
-                                            exclude_none=True,
+                                            exclude_unset=True,
                                        ),
                                    )
                                    response.raise_for_status()