The GrowthBook MCP Server enables programmatic interaction with GrowthBook directly from your LLM client. You can:
Feature Flags: Create, fetch, and manage feature flags, including generating types and creating force rules
Experiments: Fetch details about experiments and user attributes for targeting
Environments: List all environments, which control feature flag states
Projects: List all projects in your GrowthBook instance
SDK Connections: Create and manage SDK connections for integrating with apps
User Attributes: List attributes tracked in GrowthBook for targeting
Documentation: Search GrowthBook documentation for usage guidance
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@GrowthBook MCP Servershow me the latest experiment results"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
GrowthBook MCP Server
With the GrowthBook MCP server, you can interact with GrowthBook right from your LLM client. See experiment details, add a feature flag, and more.
Setup
Environment Variables Use the following env variables to configure the MCP server.
Variable Name | Status | Description |
GB_API_KEY | Required | A GrowthBook API key or PAT. When using a PAT, MCP server capabilities are limited by its permissions. E.g., if the user can't create an experiment in the app, they also won't be able to create one with the MCP server. |
GB_EMAIL | Required | Your email address used with GrowthBook. Used when creating feature flags and experiments. |
GB_API_URL | Optional | Your GrowthBook API URL. Defaults to |
GB_APP_ORIGIN | Optional | Your GrowthBook app URL Defaults to |
GB_HTTP_HEADER_* | Optional | Custom HTTP headers to include in all GrowthBook API requests. Use the pattern |
Add the MCP server to your AI tool of choice. See the official docs for complete a complete guide.
Resources
Unclaimed servers have limited discoverability.
Looking for Admin?
If you are the server author, to access and configure the admin panel.