I have no idea why this was so complicated to figure out and to find info on.
https://docs.anthropic.com/en/docs/claude-code/mcp
claude mcp add youtube-api --scope user \
--env MY_API_KEY=your_api_key_here \
-- uv --directory /path/to/mcp-server run server.pyclaude mcp list
Scope Options I Learned About:
--scope local(default): Current project only--scope user: All your projects (my recommendation)--scope project: Team sharing via.mcp.json