fix(mcp): improve 401 detection for OAuth flow trigger#362
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cgoinglove merged 1 commit intocgoinglove:mainfrom Jan 20, 2026
Merged
fix(mcp): improve 401 detection for OAuth flow trigger#362cgoinglove merged 1 commit intocgoinglove:mainfrom
cgoinglove merged 1 commit intocgoinglove:mainfrom
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The
StreamableHTTPErrorfrom@modelcontextprotocol/sdkstores the HTTP status inerror.code(noterror.status), and some servers return 'Authentication required' instead of 'Unauthorized' in their error messages.This caused the better-chatbot to incorrectly fall back to SSE transport instead of retrying with OAuth provider when connecting to MCP servers that require authentication. For example, I found that MCP servers that were built using the FastMCP Typescript framework did not work with better-chatbot. This PR addresses that.