OpenRouter

Go to OpenRouter website

• Visit https://openrouter.ai/keys.

Sign in or sign up for an OpenRouter account

• Log in using your existing credentials or create a new account if you don’t have one.

Obtain your OpenRouter API key

• After signing in, you will be taken to the API keys management page.
• Click “Create API Key” or copy an existing active key.
• Your API key will be shown only once during creation—copy it securely.

Fill in the FastMCP connection interface

• In the FastMCP connection interface, click the “Install Now” button for the OpenRouter server.
• When prompted for environment variables, enter the OPENROUTER_API_KEY you obtained in step 3.
• (Optional) You can also specify a default model ID in the DEFAULT_MODEL field (e.g., qwen/qwen2.5-vl-32b-instruct:free) if required.

Save and complete the connection

• Confirm and save your configuration in the FastMCP interface.
• Your OpenRouter MCP server is now ready to use.