Frequently Asked Questions about GrowthBook MCP Server on UBOS

Q: What is the GrowthBook MCP Server? A: The GrowthBook MCP (Model Context Protocol) Server allows you to interact with GrowthBook’s feature flagging and experimentation platform directly from your LLM client (like VS Code or Cursor). It streamlines the process of managing feature flags, A/B testing, and configuring GrowthBook within your development environment.

Q: What is MCP? A: MCP stands for Model Context Protocol. It’s an open protocol that standardizes how applications provide context to Large Language Models (LLMs). It enables AI models to access and interact with external data sources and tools.

Q: Why should I use the GrowthBook MCP Server with UBOS? A: UBOS is a full-stack AI Agent Development Platform. Integrating GrowthBook MCP Server with UBOS allows you to easily manage feature flags and experiments within your AI Agent development workflow, enabling data-driven decision-making and optimized AI Agent performance.

Q: What LLM clients are compatible with the GrowthBook MCP Server? A: The GrowthBook MCP Server is compatible with any client that supports the MCP protocol, including Cursor, VS Code, and Claude Desktop. Refer to your client’s documentation for instructions on how to add the server.

Q: What environment variables are required to configure the GrowthBook MCP Server? A: The required environment variables are GB_API_KEY (your GrowthBook API key), GB_USER (your name, used when creating feature flags), GB_API_URL (your GrowthBook API URL, defaults to https://api.growthbook.io), and GB_APP_ORIGIN (your GrowthBook app URL, defaults to https://app.growthbook.io).

Q: What tools are available in the GrowthBook MCP Server? A: The GrowthBook MCP Server provides tools for managing feature flags (create, get, list), experiments (get, list), environments (get), projects (get), SDK connections (create, get), and documentation search.

Q: How do I add the GrowthBook MCP Server to VS Code? A: Open User Settings (JSON) in VS Code and add an MCP entry with the server’s command, arguments, and environment variables, following the example provided in the documentation.

Q: How do I add the GrowthBook MCP Server to Cursor? A: Open Cursor Settings -> MCP and add a new global MCP server entry with the server’s command, arguments, and environment variables.

Q: How do I add the GrowthBook MCP Server to Claude Desktop? A: Open Settings -> Developer in Claude Desktop, click Edit Config, open claude_desktop_config.json, and add the configuration for the GrowthBook MCP Server with the necessary environment variables. Restart Claude after saving the config.

Q: Where can I find my GrowthBook API Key? A: Your GrowthBook API Key can be found in your GrowthBook account settings.

Q: What does the hammer icon in Claude Desktop indicate? A: The hammer icon in the Claude Desktop chat window indicates that your GrowthBook MCP server is successfully connected and available.

Q: Can I create a feature flag with a targeting condition? A: Yes, you can use the create_force_rule tool to create a feature flag with a specific targeting condition.

Q: Where can I find more information about using GrowthBook? A: You can use the search_growthbook_docs tool to search the GrowthBook documentation for information on specific features or keywords.