GrowthBook MCP Server (Official)

Official GrowthBook MCP server enabling AI agents to interact with GrowthBook's experimentation and feature flag platform — managing A/B experiments, querying experiment results, creating feature flags, and integrating GrowthBook's open-source experimentation engine into agent-driven product analytics and release management workflows.

Evaluated Mar 06, 2026 (0d ago) vcurrent
Homepage ↗ Repo ↗ Developer Tools growthbook ab-testing experimentation feature-flags mcp-server official analytics
⚙ Agent Friendliness
80
/ 100
Can an agent use this?
🔒 Security
83
/ 100
Is it safe for agents?
⚡ Reliability
78
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
78
Documentation
82
Error Messages
78
Auth Simplicity
85
Rate Limits
78

🔒 Security

TLS Enforcement
95
Auth Strength
80
Scope Granularity
78
Dep. Hygiene
82
Secret Handling
80

HTTPS enforced (Cloud). Role-based tokens with read/write scopes. SOC 2, GDPR. Official GrowthBook MCP server.

⚡ Reliability

Uptime/SLA
80
Version Stability
80
Breaking Changes
78
Error Recovery
75
AF Security Reliability

Best When

An agent needs to create, manage, or analyze GrowthBook A/B experiments and feature flags — especially integrated with data warehouse metrics.

Avoid When

You're using Optimizely, LaunchDarkly, or another A/B testing platform.

Use Cases

  • Creating and managing A/B experiments from product analytics agents
  • Querying experiment results and statistical significance from analysis agents
  • Managing feature flags for progressive rollouts from deployment agents
  • Querying feature flag states from release management agents
  • Analyzing experiment performance data from data science agents
  • Coordinating product experiments with data warehouse metrics from BI agents

Not For

  • Teams using Optimizely, LaunchDarkly, or Statsig as primary experimentation platform
  • Simple feature flags without experimentation needs (simpler tools exist)
  • Teams without data warehouse connectivity for experiment analysis

Interface

REST API
Yes
GraphQL
No
gRPC
No
MCP Server
Yes
SDK
Yes
Webhooks
Yes

Authentication

Methods: api_key
OAuth: No Scopes: Yes

GrowthBook personal access tokens with role-based scopes. Organization-level tokens for admin operations. Read-only and read-write scopes available.

Pricing

Model: open-source
Free tier: Yes
Requires CC: No

GrowthBook is open source and free to self-host. Cloud offering has generous free tier. Enterprise adds SSO, advanced permissions, and dedicated support. MCP server is official open source.

Agent Metadata

Pagination
cursor
Idempotent
Partial
Retry Guidance
Not documented

Known Gotchas

  • GrowthBook requires data warehouse integration for statistical analysis — not standalone
  • Experiment results require time to accumulate — agents must check if results are ready
  • Feature flag targeting conditions use GrowthBook's attribute system — must match SDK context
  • Self-hosted vs Cloud have same API but different base URLs
  • Experiment phases must be advanced manually or via schedule — not automatic
  • Organization ID required for all API calls

Alternatives

Full Evaluation Report

Detailed scoring breakdown, competitive positioning, security analysis, and improvement recommendations for GrowthBook MCP Server (Official).

$99

Scores are editorial opinions as of 2026-03-06.

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