npx: command not found
Install Node.js 18 or later. npx is included with Node.js.
Server not connecting
Check the config file path for your client and verify the JSON shape. Restart the client after changing the config.
Tools are missing
Some clients require a restart after config changes. Also verify the config key matches the client format:
mcpServersfor Claude Code and Cursorserversfor VS Code Copilot
API key not working
Use KOGNYT_API_KEY, not a legacy variable name. Regenerate the key from kognyt.dev/dashboard/mcp if needed.
Getting HTTP 429
You hit the daily limit. Wait for the midnight UTC reset or use the Pro path.
Permission denied when running npx
On macOS or Linux, check shell and Node installation permissions. If you use nvm, confirm the intended Node version is active.