Cursor successfully connects to a custom SSE-based MCP server (indicated by the yellow dot and correct Server Link URL in the MCP Servers UI), but it consistently displays “No tools available”. [image] Server-side logs confirm the initial SSE connection (GET /sse), but Cursor never seems to send…

Bug Report: MCP SSE Server Connects but Cursor Shows "No tools available" Despite Server Responding Correctly

john-markowsky (John Markowsky) April 21, 2025, 12:17pm 7

Found this thread… currently researching their findings. MCP Servers No tools found - #33 by liamwh

Topic		Replies	Views
Conencting to MCP server with SSE not working Bug Reports	18	8804	February 19, 2025
Cursor 2.3.41 not detecting MCP Server tools Bug Reports mcp , installation	15	928	March 3, 2026
Cursor MCP finds tool but report and eror (localhost) Bug Reports mcp	6	129	March 8, 2026
Custom MCP server fails with “No server info found” after initialize on macOS Bug Reports	5	2001	August 1, 2025
SSE Connection to Local starter-webmvc-server Fails with Cursor: Body Timeout Error Bug Reports	1	178	July 26, 2025