typescript-sdk/.changeset/fix-onerror-callbacks.md
kenzo 78bae7426d
fix(server): call onerror callback for all transport errors (#1433)
Co-authored-by: Felix Weinberger <fweinberger@anthropic.com>
Co-authored-by: Felix Weinberger <3823880+felixweinberger@users.noreply.github.com>
2026-03-25 20:28:28 +00:00

370 B

@modelcontextprotocol/server
patch

Fix transport errors being silently swallowed by adding missing onerror callback invocations before all createJsonErrorResponse calls in WebStandardStreamableHTTPServerTransport. This ensures errors like parse failures, invalid headers, and session validation errors are properly reported via the onerror callback.