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1 month ago
npm
growthbook/growthbook-mcp
Thin MCP server for GrowthBook — skill loader + authenticated API passthrough
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// key findings
⚠️
Tool annotations don’t match behaviour
1 read-only tool performs write/delete/exec — get_defaults (line 288: mkdir(experimentDefaultsDir, { recursive: true }))
⚠️
Tool descriptions don’t match what handlers do
2 tools describe read intent but their handlers mutate — get_defaults (line 288: mkdir(experimentDefaultsDir, { recursive: true })); set_user_defaults (line 441: mkdir(experimentDefaultsDir, { recursive: true }))
🚨
Known vulnerabilities in dependencies: 1 critical
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
🔐
You'll be asked for 1 credential: GB_API_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies1 critical
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
When Vitest UI server is listening, arbitrary file can be read and executed
Depend on this server? Get alerted when its CVEs change.Watch this server free →
// required environment variables
This server reads these from
process.env. You'll be asked to provide them before it can run.🔐 secret
GB_API_KEYconfig
GB_API_URL— Optional Your GrowthBook API URL. Defaults to https://api.growthbook.io.config
GB_APP_ORIGIN— Optional Your GrowthBook app URL Defaults to https://app.growthbook.io.config
GB_EMAIL— Required Your email address used with GrowthBook. Used when creating feature flags and experiments.// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 8 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[](https://m8ven.ai/mcp/growthbook-mcp-f8nrk9)commit: 6b0bce6828c8c6fc0729e3a98147d4080a7b17af
code hash: 7c6f603f7253c74097948ea04294474cdaaf6be84771c4c9618db6dd8a51b585
verified: 6/16/2026, 12:45:55 PM