fix(mcp-server): Fix Cursor integration and protocol compatibility - #39
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- Echo back client's protocol version (MCP uses date-based versioning like '2025-06-18') - Add handling for 'initialized' notification to prevent premature connection closure - Enable debug logging to aid troubleshooting - Fix logger to write all messages to stderr (not stdout) to avoid JSON-RPC interference - Remove readline output config to prevent echoing to stdout - Add CLI entry point (dev-agent-mcp.ts) for starting the MCP server This fixes the issue where Cursor would immediately close the MCP server connection due to protocol version mismatch and improper stdout usage. The server now successfully connects to Cursor and the dev_search tool is fully functional.
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Problem
The MCP server was immediately disconnecting when Cursor tried to connect, resulting in 'No server info found' errors. This was due to several issues:
initializednotification wasn't being handled, causing Cursor to close the connectionSolution
initializednotificationdev-agent-mcp.ts) for starting the serverTesting
✅ MCP server successfully connects to Cursor
✅
dev_searchtool is discovered and functional✅ End-to-end search works in Cursor chat
✅ All pre-commit hooks pass (linting + type checking)
Related Issues
Fixes issues discovered during dogfooding of the MCP server integration (Issues #27, #28).