Requires Node 18+ on your system so npx can fetch the package on first run. Claude Code persists MCP servers via its CLI — no config file to edit, just run the command below once. Paste the config below, then follow the reload step to register pagespeed-insights-mcp.
Run the command below in your terminal — Claude Code persists it for you.claude mcp add pagespeed-insights --env GOOGLE_API_KEY=your-google-api-key-here -- npx -y -p pino-pretty -p pagespeed-insights-mcp pagespeed-insights-mcp