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Log MCPServer handler exceptions by kind and keep crash details off the wire
Claude Code
#7112:
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Prompt validation errors are logged with an unnecessary traceback
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streamable-http client: no size bound before JSONRPCMessage.model_validate_json — one large server message can OOM the client
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streamable-http client: no size bound before JSONRPCMessage.model_validate_json — one large server message can OOM the client
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Recursive tool return type publishes an outputSchema with no root type, failing tools/list on 2025-11-25 sessions
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Recursive tool return type publishes an outputSchema with no root type, failing tools/list on 2025-11-25 sessions
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A tool returning a non-finite float fails on the client with an error naming the tool
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Give recursive tool output schemas an object root (#3337)
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Lift httpx2's default SSE event size cap on every client SSE reader
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fix: self-describing error for requests before session initialization (was generic -32602)
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OAuth client sends client_id in token body under client_secret_basic (strict servers reject as multiple auth methods)
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OAuth client sends client_id in token body under client_secret_basic (strict servers reject as multiple auth methods)
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