Troubleshoot New Relic MCP

OAuth flow not starting

• Ensure your browser can access localhost.
• Check firewall settings.
• Verify that your tools can access OAuth URLs.

API key not working

• Verify key format (starts with NRAK-).
• Check key permissions in New Relic.
• Ensure the key is not expired.

MCP server not detected

• Restart the application completely.
• Check JSON syntax validity.
• Verify file paths and permissions.

mcp-remote proxy issues

• Ensure Node.js is installed.
• Check internet connectivity.
• Verify npx can access mcp-remote package.

Error messages

• Connection refused: Check URL and network connectivity of your tools.
• Authentication required: Verify that the API key is still active and was inputted correctly or complete OAuth flow.
• Invalid client: OAuth configuration issue, try mcp-remote proxy.
• Time.UnmarshalJSON: Use mcp-remote proxy for OAuth.