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v1.5.2

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@cmer cmer released this 12 Oct 00:34
fa176c4

Fixed

  • SSE servers that retired the legacy transport. Cloudflare's MCP servers (and others moving
    off HTTP+SSE) now answer the SSE stream with 410 Gone, which left the server stuck on
    "Unreachable · Non-200 status code (410)" and gave no hint about the fix. When an SSE server
    refuses the stream (404/405/410), the switchboard now retries Streamable HTTP at the same URL
    and switches the server to HTTP once that connects. OAuth servers go to Needs auth as usual.
    If HTTP fails too, the error says to change the transport and URL (usually /sse → /mcp).