GrowthBook MCP Server

Name: GrowthBook MCP Server
Author: GrowthBook

GrowthBookOfficial

Get started Repository Website & docs

Creates and reads GrowthBook feature flags, reviews experiments, generates flag types and searches the GrowthBook docs.

Setup

Choose your client, copy the config, then fill in any required environment variables.

Add to Cursor Add to VS Code

claude mcp add growthbook --env GB_API_KEY='<GB_API_KEY>' --env GB_API_URL='<GB_API_URL>' --env GB_APP_ORIGIN='<GB_APP_ORIGIN>' --env GB_USER='<GB_USER>' -- npx -y @growthbook/mcp

~/.codex/config.toml

[mcp_servers.growthbook]
command = "npx"
args = ["-y", "@growthbook/mcp"]
env = { GB_API_KEY = "<GB_API_KEY>", GB_API_URL = "<GB_API_URL>", GB_APP_ORIGIN = "<GB_APP_ORIGIN>", GB_USER = "<GB_USER>" }

# codex mcp add growthbook --env GB_API_KEY='<GB_API_KEY>' --env GB_API_URL='<GB_API_URL>' --env GB_APP_ORIGIN='<GB_APP_ORIGIN>' --env GB_USER='<GB_USER>' -- npx -y @growthbook/mcp

~/.cursor/mcp.json

{
  "mcpServers": {
    "growthbook": {
      "command": "npx",
      "args": [
        "-y",
        "@growthbook/mcp"
      ],
      "env": {
        "GB_API_KEY": "<GB_API_KEY>",
        "GB_API_URL": "<GB_API_URL>",
        "GB_APP_ORIGIN": "<GB_APP_ORIGIN>",
        "GB_USER": "<GB_USER>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "growthbook": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@growthbook/mcp"
      ],
      "env": {
        "GB_API_KEY": "<GB_API_KEY>",
        "GB_API_URL": "<GB_API_URL>",
        "GB_APP_ORIGIN": "<GB_APP_ORIGIN>",
        "GB_USER": "<GB_USER>"
      }
    }
  }
}

~/.gemini/settings.json

{
  "mcpServers": {
    "growthbook": {
      "command": "npx",
      "args": [
        "-y",
        "@growthbook/mcp"
      ],
      "env": {
        "GB_API_KEY": "<GB_API_KEY>",
        "GB_API_URL": "<GB_API_URL>",
        "GB_APP_ORIGIN": "<GB_APP_ORIGIN>",
        "GB_USER": "<GB_USER>"
      }
    }
  }
}

claude_desktop_config.json

{
  "mcpServers": {
    "growthbook": {
      "command": "npx",
      "args": [
        "-y",
        "@growthbook/mcp"
      ],
      "env": {
        "GB_API_KEY": "<GB_API_KEY>",
        "GB_API_URL": "<GB_API_URL>",
        "GB_APP_ORIGIN": "<GB_APP_ORIGIN>",
        "GB_USER": "<GB_USER>"
      }
    }
  }
}

.trae/mcp.json

{
  "mcpServers": {
    "growthbook": {
      "command": "npx",
      "args": [
        "-y",
        "@growthbook/mcp"
      ],
      "env": {
        "GB_API_KEY": "<GB_API_KEY>",
        "GB_API_URL": "<GB_API_URL>",
        "GB_APP_ORIGIN": "<GB_APP_ORIGIN>",
        "GB_USER": "<GB_USER>"
      }
    }
  }
}

Environment variables

GB_API_KEY
GB_API_URL
GB_APP_ORIGIN
GB_USER

Replace the placeholders with your own credentials and keep them out of version control.

Setup

Environment variables

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