GrowthBook
About
Create and read feature flags, review experiments, generate flag types, search docs, and interact with GrowthBook's feature flagging and experimentation platform.
Details
- Author
- growthbook
- GitHub stars
- 23
- Downloads
- 290
- Categories
- Developer Tools, Knowledge Base, Other, Search
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Setting up with Highlight
This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:
- Download and install Highlight from highlightai.com/download
- Navigate to the plugins tab and select "Add Custom Plugin"
-
Configure the plugin with the settings below
Plugin Name
GrowthBookCommand (node, npx, python, etc.)Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.
- Enable "Start Automatically" if you want the plugin to start when Highlight launches
From the repository
Add the MCP server to your AI tool of choice and configure it using environment variables. Required variables are GB_API_KEY (a GrowthBook API key or PAT) and GB_EMAIL (your email). Optional variables include GB_API_URL, GB_APP_ORIGIN, and GB_HTTP_HEADER_* for custom headers. See the official GrowthBook docs for a complete setup guide.
Claude Desktop / Cursor
Paste into your MCP client config file to install this server.
{
"mcpServers": {
"growthbook": {
"growthbook": {
"command": "npx",
"args": [
"-y",
"@growthbook/mcp@latest"
],
"env": {
"GB_API_KEY": "YOUR_API_KEY",
"GB_API_URL": "YOUR_API_URL",
"GB_APP_ORIGIN": "YOUR_APP_ORIGIN",
"GB_USER": "YOUR_NAME"
}
}
}
}
}McpServers
{
"growthbook": {
"command": "npx",
"args": [
"-y",
"@growthbook/mcp@latest"
],
"env": {
"GB_API_KEY": "YOUR_API_KEY",
"GB_API_URL": "YOUR_API_URL",
"GB_APP_ORIGIN": "YOUR_APP_ORIGIN",
"GB_USER": "YOUR_NAME"
}
}
}growthbook_api_read/growthbook_api_write
{ "path": "/api/v1/projects" } { "method": "POST", "path": "/api/v2/features", "body": "{\"id\":\"my-flag\",...}" }
- Read: GET only (readOnlyHint: true)
- Write:POST|PUT|PATCH|DELETE(destructiveHint: true)
- Returns raw response body on 2xx
- On non-2xx, returns an actionable error (isError: true) covering auth failures, self-hosted 404 hints, and rate limits
- Freeform paths target the[GrowthBook REST API
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