Growthbook MCP
Rank #5,333io.github.growthbook/growthbook-mcp
Thin MCP server for GrowthBook — skill loader + authenticated API passthrough
Growthbook MCP is a Model Context Protocol (MCP) server published by growthbook. It ranks #5,333 of 115,460 servers tracked on MCP Toplist, and its repository has 23 GitHub stars. Growthbook MCP is listed across 2 registries — Official MCP and Glama, with 12 tracked versions. It was first listed on May 19, 2025 and most recently updated on Aug 11, 2026.
Ranks ahead of 110,127 of 115,460 servers on MCP Toplist.
Use Growthbook MCP
No credentials or required configuration declared — add it to your MCP client and go.
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/mcpReplace each placeholder with your own value before saving.
[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.
{
"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.
{
"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.
{
"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.
{
"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.
{
"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.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.growthbook%2Fgrowthbook-mcp)<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 115,460" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 1 registry (1 delisted)
growthbook
Available versions (12)
| Version | Published |
|---|---|
| 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 |
Frequently asked questions
- Who maintains Growthbook MCP?
- Growthbook MCP is maintained by growthbook, which publishes 5 MCP servers (12 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 12 versions of Growthbook MCP, most recently published on Aug 11, 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.