Add an MCP server to Claude Code
Register a remote or local server in one line — and remember the lone -- that separates Claude's flags from the server command.
# remote, OAuth-backed server
claude mcp add --transport http notion https://mcp.notion.com/mcp
# local stdio server: everything after -- is the server command
claude mcp add --env API_KEY=xyz --transport stdio my-server -- uvx my-mcp-server