growthbook/growthbook-mcp

3.4

If you are the rightful owner of growthbook-mcp and would like to certify it and/or have it hosted online, please leave a comment on the right or send an email to henry@mcphub.com.

The GrowthBook MCP server allows interaction with GrowthBook directly from your LLM client, enabling you to manage experiments, feature flags, and more.

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 `https://api.growthbook.io`.
GB_APP_ORIGIN	Optional	Your GrowthBook app URL Defaults to `https://app.growthbook.io`.

Add the MCP server to your AI tool of choice. See the official docs for complete a complete guide.

Author

growthbook

Claim Ownership

Verify you have write access to the repository

Repository

https://github.com/growthbook/growthbook-mcp

GitHub Stars

License

MIT License

Last publish date

2025-05-01

Last update date

2025-09-19

Server configs

in cursor

{
  "mcpServers": {
    "growthbook": {
      "command": "npx",
      "args": ["-y", "@growthbook/mcp"],
      "env": {
        "GB_API_KEY": "YOUR_API_KEY",
        "GB_API_URL": "YOUR_API_URL",
        "GB_APP_ORIGIN": "YOUR_APP_ORIGIN",
        "GB_USER": "YOUR_NAME"
      }
    }
  }
}

in vs code

"mcp": {
    "servers": {
      "growthbook": {
        "command": "npx",
        "args": [
          "-y", "@growthbook/mcp"
        ],
        "env": {
          "GB_API_KEY": "YOUR_API_KEY",
          "GB_API_URL": "YOUR_API_URL",
          "GB_APP_ORIGIN": "YOUR_APP_ORIGIN",
          "GB_USER": "YOUR_NAME"
        }
      }
    }
  }

in claude desktop

{
  "mcpServers": {
    "growthbook": {
      "command": "npx",
      "args": ["-y", "@growthbook/mcp"],
      "env": {
        "GB_API_KEY": "YOUR_API_KEY",
        "GB_API_URL": "YOUR_API_URL",
        "GB_APP_ORIGIN": "YOUR_APP_ORIGIN",
        "GB_USER": "YOUR_NAME"
      }
    }
  }
}

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