This release fixes issues for SREs watching stability and regressions.
Published 26d
MCP Developer Tools
✓ No known CVEs patched
✓ No known CVEs patched in this version
Topics
ai-agents
api-gateway
chatgpt
chatgpt-apps
claude
claude-connectors
+14 more
database-mcp-server
gemini
graphql-to-mcp
mcp
mcp-gateway
mcp-servers
model-context-protocol
no-code
openapi-to-mcp
rest-to-mcp
self-hosted
soap-to-mcp
sql-to-mcp
typescript
Summary
AI summaryFixed Copilot Studio connection issues by making MCP responses SSE‑framed and correcting HTTP method handling.
Full changelog
Fixed
- Microsoft Copilot Studio could not finalize an MCP connection or list tools. Verified against a Copilot-compatible reference server (Microsoft Learn Docs MCP): the streamable endpoint must return SSE-framed responses (
Content-Type: text/event-stream) on POST and 405 on a bare GET. AnythingMCP returnedapplication/jsonand401respectively. Now: responses are SSE-framed by default (setMCP_STREAMABLE_JSON_RESPONSE=truefor the old behaviour) and a GET to the MCP endpoint returns the transport's 405 instead of an auth 401. Spec-compliant clients (e.g. Claude) are unaffected.
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