SERVER

Growthbook MCP

Rank #5,456

io.github.growthbook/growthbook-mcp

Thin MCP server for GrowthBook — skill loader + authenticated API passthrough

13 versions

24 GitHub stars

by growthbook (4 servers)View repository ↗

First listed

May 19, 2025

Last publish date

Oct 6, 2026

PURPOSE

What you can do with Growthbook MCP

Growthbook MCP is a Model Context Protocol (MCP) server published by growthbook. It ranks #5,456 of 144,396 active servers on MCP Toplist, and its repository has 24 GitHub stars. Growthbook MCP is listed across 2 registries — Official MCP and Glama, with 13 tracked versions. It was first listed on May 19, 2025 and most recently updated on Oct 6, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What Growthbook MCP can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using Growthbook MCP

DeclaredNo credentialsNo credentials declared

The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.

Declared by the Official MCP Registry, last synced Oct 16, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

GB_API_KEY · optional
GB_API_URL · optional
GB_SKILLS_ENABLED · optional
GB_HTTP_HEADER_* · optional

INSTALLATION AND FIRST TASK

Connect Growthbook MCP and confirm it works

npm package

claude mcp add growthbook-mcp -e "GB_API_KEY=<your GB_API_KEY>" -e "GB_API_URL=<your GB_API_URL>" -e "GB_SKILLS_ENABLED=<your GB_SKILLS_ENABLED>" -e "GB_HTTP_HEADER_*=<your GB_HTTP_HEADER_*>" -- npx -y @growthbook/mcp

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.growthbook-mcp]
command = "npx"
args = ["-y", "@growthbook/mcp"]

[mcp_servers.growthbook-mcp.env]
GB_API_KEY = "<your GB_API_KEY>"
GB_API_URL = "<your GB_API_URL>"
GB_SKILLS_ENABLED = "<your GB_SKILLS_ENABLED>"
"GB_HTTP_HEADER_*" = "<your GB_HTTP_HEADER_*>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "growthbook-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@growthbook/mcp"
      ],
      "env": {
        "GB_API_KEY": "<your GB_API_KEY>",
        "GB_API_URL": "<your GB_API_URL>",
        "GB_SKILLS_ENABLED": "<your GB_SKILLS_ENABLED>",
        "GB_HTTP_HEADER_*": "<your GB_HTTP_HEADER_*>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "growthbook-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@growthbook/mcp"
      ],
      "env": {
        "GB_API_KEY": "<your GB_API_KEY>",
        "GB_API_URL": "<your GB_API_URL>",
        "GB_SKILLS_ENABLED": "<your GB_SKILLS_ENABLED>",
        "GB_HTTP_HEADER_*": "<your GB_HTTP_HEADER_*>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

{
  "servers": {
    "growthbook-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@growthbook/mcp"
      ],
      "env": {
        "GB_API_KEY": "<your GB_API_KEY>",
        "GB_API_URL": "<your GB_API_URL>",
        "GB_SKILLS_ENABLED": "<your GB_SKILLS_ENABLED>",
        "GB_HTTP_HEADER_*": "<your GB_HTTP_HEADER_*>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "growthbook-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@growthbook/mcp"
      ],
      "env": {
        "GB_API_KEY": "<your GB_API_KEY>",
        "GB_API_URL": "<your GB_API_URL>",
        "GB_SKILLS_ENABLED": "<your GB_SKILLS_ENABLED>",
        "GB_HTTP_HEADER_*": "<your GB_HTTP_HEADER_*>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

{
  "mcpServers": {
    "growthbook-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@growthbook/mcp"
      ],
      "env": {
        "GB_API_KEY": "<your GB_API_KEY>",
        "GB_API_URL": "<your GB_API_URL>",
        "GB_SKILLS_ENABLED": "<your GB_SKILLS_ENABLED>",
        "GB_HTTP_HEADER_*": "<your GB_HTTP_HEADER_*>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: May 19, 2025
Latest version published: Oct 6, 2026
Version history: 13 versions tracked (below)
Requirements evidence: Declared by the Official MCP Registry, last synced Oct 16, 2026. Not independently verified by MCP Toplist.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Oct 6, 2026

Registry sightings

Official MCP ↗listed since Apr 25, 2026 · still listed
Glama ↗listed since Apr 26, 2026 · delisted, last seen Apr 27, 2026

Do you maintain Growthbook MCP? to correct or enrich this profile.

VERSIONS

Available versions (13)

Version	Published
2.2.0	Oct 6, 2026
2.1.0	Aug 11, 2026
2.0.0	Jul 30, 2026
1.8.1	Mar 9, 2026
1.8.0	Mar 9, 2026
1.7.0	Mar 6, 2026
1.6.0	Feb 26, 2026
1.5.1	Feb 10, 2026
1.5.0	Jan 26, 2026
1.4.5	Jan 14, 2026
1.4.4	Jan 14, 2026
1.4.3	Dec 30, 2025
0.1.0	Nov 25, 2024

STANDING

#5,456of 144,396 active serversTop 5%

Ranks ahead of 138,940 of 144,396 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.growthbook%2Fgrowthbook-mcp.svg)](https://mcptoplist.com/server/io.github.growthbook%2Fgrowthbook-mcp)

HTML

<a href="https://mcptoplist.com/server/io.github.growthbook%2Fgrowthbook-mcp"><img src="https://mcptoplist.com/badge/io.github.growthbook%2Fgrowthbook-mcp.svg" alt="MCP Toplist: Top 5% of 144,396" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains Growthbook MCP?: Growthbook MCP is maintained by growthbook, which publishes 4 MCP servers (13 total versions) tracked on MCP Toplist.
Is Growthbook MCP listed on the Official MCP Registry?: Yes — Growthbook MCP is listed on the Official MCP Registry, alongside Glama.
How many versions does Growthbook MCP have?: MCP Toplist tracks 13 versions of Growthbook MCP, most recently published on Oct 6, 2026.
Where can I find the source code for Growthbook MCP?: The source code for Growthbook MCP is hosted at github.com/growthbook/growthbook-mcp.

Used in projects

Do you run this server?

Community projects list the MCP servers behind real agents and apps. Publish yours and this page will link to it.

EXPLORE

All MCP Servers Official MCP Servers GitHub MCP Servers Best MCP Servers Most Active MCP Servers New MCP Servers Best New MCP Servers