Installing LeanMCP CLI

Get the LeanMCP CLI tool to manage your MCP projects from the command line.

npm (Recommended)

Install globally via npm:

npm install -g @leanmcp/cli

leanmcp --version

Example Output:

1.0.7

After installation, authenticate with your API key:

leanmcp login

The CLI will prompt you to enter your API key:

LeanMCP Login

? Enter your LeanMCP API key: airtrain_xxxx...

Validating API key...
API key validated successfully!
Logged in successfully!

Get your API key from the LeanMCP Dashboard → Settings → API Keys

After installation and login, create your first MCP server:

# Create a new project with auto-install
leanmcp create my-mcp-server --install

# Start the development server
cd my-mcp-server
leanmcp dev