GrowthBook
OfficialEnables AI to manage feature flags, experiments, environments, and SDK connections in GrowthBook, pr...
Log in to Your GrowthBook Account
- Go to the GrowthBook web app: https://app.growthbook.io (or your custom GrowthBook URL, if applicable).
Obtain Your GrowthBook API Key
- In the GrowthBook web app, locate your user or project settings.
- Find the section labeled "API Keys" or "Service Accounts."
- Click “Create API Key” or copy an existing one that has the permissions you need.
- The API key will look similar to
gb_live_...
Identify Your Name for GB_USER
- Use your name or a recognizable identifier; this is used for auditing when creating feature flags.
(Optional) Find Your GrowthBook API URL (GB_API_URL)
- If you use the default hosted service, use:
https://api.growthbook.io - If you self-host or use a custom instance, copy your instance’s API endpoint URL.
- If you use the default hosted service, use:
(Optional) Find Your GrowthBook App Origin (GB_APP_ORIGIN)
- If you use the default app, use:
https://app.growthbook.io - If you self-host or use a custom domain, enter your app’s base URL.
- If you use the default app, use:
Open the FastMCP Connection Interface
- Click the Install Now button to add the GrowthBook server in your MCP client.
Enter the Environment Variables in the FastMCP Interface
- For each environment variable:
GB_API_KEY: Paste the API key you obtained in Step 2.GB_USER: Enter the name or identifier from Step 3.GB_API_URL: (Optional) Enter the URL from Step 4.GB_APP_ORIGIN: (Optional) Enter the origin URL from Step 5.
- For each environment variable:
Save and Finish Setup
- Confirm and save your configuration in the FastMCP interface. The server should now connect and show as active.
Note: These steps ensure your GrowthBook MCP server is linked correctly and ready to manage feature flags, experiments, and more via your LLM client.
Quick Start
Choose Connection Type for
Authentication Required
Please sign in to use FastMCP hosted connections
Configure Environment Variables for
Please provide values for the following environment variables:
started!
The MCP server should open in . If it doesn't open automatically, please check that you have the application installed.
Copy and run this command in your terminal:
Make sure Gemini CLI is installed:
Visit Gemini CLI documentation for installation instructions.
Make sure Claude Code is installed:
Visit Claude Code documentation for installation instructions.
Installation Steps:
Configuration
Installation Failed
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