What is the command to add an MCP server in Claude Code?

claude mcp add -- [args]. For example: claude mcp add glammer -- npx -y @glammer/mcp.

What are the MCP server scopes in Claude Code?

local (only you, only this project — the default), project (shared via a committed .mcp.json), and user (available across all your projects).

How do I check which MCP servers are installed?

Run claude mcp list to see every server and its status, or claude mcp get for one.

How to Install an MCP Server in Claude Code

Run claude mcp add <name> -- <command> in your terminal — for example, claude mcp add glammer -- npx -y @glammer/mcp. Use --scope user to make it available in every project, or --scope project to share it via a committed .mcp.json. Verify with claude mcp list.

The Claude Code CLI adds MCP servers with a single command. Here is the claude mcp add syntax, the three scopes, and how to confirm the server is connected.