Growthbook Mcp

Name: Growthbook Mcp
Author: growthbook

by growthbookcommunityv1.8.1

The GrowthBook MCP server allows interaction with GrowthBook from an LLM client, enabling users to view experiment details and manage feature flags.

From the registry: MCP Server for interacting with GrowthBook

GitHub Repository

Install & configure

Prerequisites

required
GrowthBook API key
Get a GrowthBook API key or Personal Access Token
https://docs.growthbook.io/integrations/mcp

Install in your client

Paste into the AI you're chatting with — it will figure out the rest

Please install the `growthbook-mcp` MCP server into my current AI client (that's you).

Required prerequisites (do these first if not already done):
- **GrowthBook API key** — Get a GrowthBook API key or Personal Access Token (https://docs.growthbook.io/integrations/mcp)

Canonical MCP server config (stdio transport):
- command: `npx`
- args: ["-y","@growthbook/growthbook-mcp"]
- required environment variables:
  - `GB_API_KEY`: GrowthBook API key or PAT (example: `<your-growthbook-api-key>`)
  - `GB_EMAIL`: Your email address used with GrowthBook (example: `<your-email>`)
- optional environment variables:
  - `GB_API_URL`: GrowthBook API URL (example: `https://api.growthbook.io`)
  - `GB_APP_ORIGIN`: GrowthBook app URL (example: `https://app.growthbook.io`)

Note: README only documents env vars; full setup per client is in the official docs at docs.growthbook.io/integrations/mcp. Npx invocation inferred from package name.

Add this MCP server to my current client's config in the correct format for you. If you need secrets or credentials I haven't provided, ASK me — do not invent values or leave raw placeholders. After adding it, tell me how to verify the server is connected.

Note: README only documents env vars; full setup per client is in the official docs at docs.growthbook.io/integrations/mcp. Npx invocation inferred from package name.

Environment variables

GB_API_KEYrequiredA GrowthBook API key or PAT. When using a PAT, MCP server capabilities are limited by its permissions.

GB_EMAILrequiredYour email address used with GrowthBook. Used when creating feature flags and experiments.

Packages

@growthbook/mcp

npmv1.8.1transport: stdio

Details

Language: TypeScript
License: MIT
Released: Mar 9, 2026
Last commit: May 9, 2026
Registry name: io.github.growthbook/growthbook-mcp

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