Growthbook MCP Server

What the code does

We read the source, 3 d ago · rules 995398eba69f

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

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  for (const [key, value] of Object.entries(process.env)) {

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Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

claude mcp add growthbook-mcp -- npx -y @growthbook/mcp

{
  "mcpServers": {
    "growthbook-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@growthbook/mcp"
      ]
    }
  }
}

[mcp_servers.growthbook-mcp]
command = "npx"
args = ["-y", "@growthbook/mcp"]

{
  "mcpServers": {
    "growthbook-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@growthbook/mcp"
      ]
    }
  }
}

{
  "servers": {
    "growthbook-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@growthbook/mcp"
      ]
    }
  }
}

Optional settings from the registry entry, left out of the block above: GB_API_KEY (A GrowthBook API key or personal access token), GB_API_URL (Your GrowthBook API URL. Defaults to https://api.growthbook.io), GB_SKILLS_ENABLED (Set to false to disable bundled skill tools (growthbook_list_skills, growthbook_read_skill). Defaults to true), GB_HTTP_HEADER_* (Custom HTTP headers via GB_HTTP_HEADER_<NAME> (e.g. GB_HTTP_HEADER_CF_ACCESS_TOKEN)).