Add the GrowthBook MCP server to Cursor

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

Scopes, env vars, OAuth and limits: Cursor MCP config guide

Cursor prompts you to sign in the first time a remote OAuth server is used. GrowthBook runs locally; set any credentials GrowthBook asks for before starting Cursor.

Ask Cursor for something GrowthBook can do. Manage GrowthBook feature flags and experiments through bundled skills and an authenticated API passthrough. Approve the first tool call and check the result before allowing write actions automatically.

• · Remote servers take a url; local servers take command and args.
• · Values can reference ${env:NAME} so secrets stay out of the file.

How do I add the GrowthBook MCP server to Cursor?

Run: { …. Cursor prompts you to sign in the first time a remote OAuth server is used.

Is this the official GrowthBook MCP server?

Yes. It is published by GrowthBook as io.github.growthbook/growthbook-mcp in the official MCP registry.

Does the GrowthBook MCP server need an API key?

It runs locally from a package. See GrowthBook's docs for any credentials it needs.