mcp-wtf

Your MCP server won't connect. Find out why in 10 seconds. Diagnoses every server in your Claude Desktop, Claude Code, Cursor, VS Code, Cline, Zed and Gemini CLI configs - local and remote: missing commands, placeholder API keys, stdout pollution, silent crashes, 401 Unauthorized, expired certificates, wrong /mcp or /sse endpoints - with the exact fix for each. Reads your host's log files too. Zero dependencies.