If you’re experiencing issues connecting to the MCP server, try these debugging steps.
After running these commands, restart your MCP client (Claude Desktop or ChatGPT) and try connecting again.
If authentication issues persist after clearing the cache, verify that your user role has the required permissions. Read Only users cannot connect to the MCP server—an Admin or Owner needs to upgrade your role.
401 Unauthorized
Bearer <key>.405 Method Not Allowed
/mcp.See the Google ADK setup page for the expected configuration.