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@bokelley bokelley commented Dec 9, 2025

Bumps minimum MCP SDK version to 1.23.2 which includes critical fixes for StreamableHTTP streaming stability. The v1.23.2 release fixes ClosedResourceError handling in the message router that was introduced in v1.12.0.

What's fixed

  • ClosedResourceError crashes when connections close unexpectedly during streaming
  • Race condition in StreamableHTTP message router (merged PR #1384)
  • Backward compatibility with older protocol versions

Testing

All 344 existing tests pass with the new dependency.

Bumps minimum MCP SDK version to 1.23.2 which includes fixes for
ClosedResourceError in StreamableHTTP message router, preventing
crashes when connections close unexpectedly during streaming.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
@bokelley bokelley merged commit 3c25822 into main Dec 9, 2025
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2 participants