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TL;DR

GrowthBook is a Developer Tools MCP server that lets Claude Code, Cursor, Windsurf and any MCP-compatible AI agent feature flags and A/B testing. Install in 1 minute with mcpizy install growthbook.

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GrowthBook

Install verified

Developer Tools

Last updated September 4, 2026 Β· By MCPizy team

Feature flags and A/B testing. Create flags, review experiments, and manage rollouts.

B

Repo audit: 87/100 β€” solid, with minor gaps in docs or maintenance

Scored on licence, adoption, maintenance and documentation of growthbook/growthbook-mcp. We show the grade whether it flatters the server or not.

last commit 6 days ago Β· 23 stars Β· MIT licence Β· 19 open issues

Read the full audit on CheckMCP

Install GrowthBook

Via MCPizy CLI (recommended):
mcpizy install growthbook
Or run directly:
npx -y @growthbook/mcp
View on GitHub

Works with

Claude Code
Claude Desktop
Cursor
Windsurf
VS Code + Copilot
Any MCP Client

Alternatives to GrowthBook

If GrowthBook doesn't fit your stack, these Developer Tools MCP servers solve similar problems.

Frequently asked questions

What is the GrowthBook MCP server?

GrowthBook is listed as an Developer Tools Model Context Protocol server whose documented purpose is to let an MCP-compatible agent feature flags and A/B testing. Client support, permissions and authentication remain specific to the upstream project.

How do I install GrowthBook MCP with Claude Code?

The fastest way is the MCPizy CLI: run `mcpizy install growthbook` and MCPizy will add the server to your `.claude.json` automatically. You can also install it manually by adding an entry under `mcpServers` in `.claude.json` with the command `npx -y @growthbook/mcp` and restarting Claude Code.

Does MCPizy charge to view or install GrowthBook MCP?

No. Reading this profile and copying its install guidance is free. Upstream software, API, account or usage costs are separate, and licence coverage should be checked from the linked source when available.

Does GrowthBook MCP work with Cursor and Windsurf?

The MCP standard is supported by those clients, but a specific server can still have client-specific setup or transport limits. Use the configuration shown on this page when present and verify the upstream instructions before installation.

What can I do with GrowthBook MCP?

Its documented purpose is to let an MCP-compatible agent feature flags and A/B testing. The exact tools, permissions and write capabilities depend on the server version and configuration shown by the upstream project.

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