Requires the runtime declared in the upstream repo — check the README before running. 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 @mcp-z/mcp-gmail.
Run the command below in your terminal — Claude Code persists it for you.claude mcp add-json gmail '{"type": "http", "url": "http://localhost:9002/mcp"}'