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CLI Authentication

Authenticate the LeanMCP CLI with your API key to access your projects and deployments.

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Get Your API Key

  1. Go to LeanMCP Dashboard
  2. Navigate to Settings → API Keys
  3. Create a new API key with appropriate permissions
  4. Copy the API key (starts with airtrain_)

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Login Command

The CLI will prompt you interactively for your API key:

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Verify Authentication

Check if you’re logged in:
Example Output:

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Logout

Remove stored credentials:
Example Output:

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Credential Storage

The CLI stores your credentials securely in:
  • macOS/Linux: ~/.leanmcp/config.json
Keep your API key secure. Do not share it or commit it to version control.

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Troubleshooting

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Not Authenticated

Solutions:
  • Run leanmcp login and enter your API key
  • Verify your API key is correct

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API Key Invalid

Solutions:
  • Verify your API key is correct
  • Check if the API key has expired
  • Create a new API key in the dashboard

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Next Steps

Project Management

Start creating and managing MCP projects