SkillMaxx / Development / Growthbook

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Growthbook

A suite of agent skills for the full GrowthBook feature flag and experimentation lifecycle.

PluginDevelopmentSource ↗Claude marketplace ↗

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Install

Tested ✓✓ Verified from docsOfficial docs ↗
/plugin install growthbook@claude-plugins-official

Tested ✓ on 2026-10-16: installed and loaded in a throwaway sandbox with no credentials.

Log excerpt
Installing plugin "growthbook@claude-plugins-official"...✔ Successfully installed plugin: growthbook@claude-plugins-official (scope: user)
$ verify:
  ❯ growthbook@claude-plugins-official
    Status: ✔ enabled
1 run, latest 2026-10-16

GrowthBook Agent Skills

GrowthBook is an open source Feature Flagging and Experimentation platform.

Agent skills for GrowthBook — feature flagging and experimentation playbooks for Claude Code, Cursor, and other agent tools that follow the Agent Skills standard.

The skills call the GrowthBook REST API directly through a small bundled helper. No MCP server required.

What's included

Four skills, one per domain. Each one is a router: it loads a short index, then reads only the workflow that matches what you asked for. The 27 workflows live as reference files inside their skill and stay out of context until they're needed.

feature-flags

The full flag lifecycle. Flag changes go through a draft revision before going live, so the draft → review → publish workflows sit alongside the ones that make the change.

Workflow What it does
flag-create Create a new feature flag — collision check, value type, environments, defaultValue. Ships disabled everywhere.
flag-search Search, list, and audit flags by project, tag, owner, environment state, or staleness. Read-only.
flag-graph Trace a flag's dependency graph: prerequisites, dependents, linked experiments and holdouts. Read-only.
flag-toggle Enable or disable a flag in a specific environment (the kill switch). Review-gated.
flag-targeting Add, edit, or remove force / rollout rules — with conditions, saved groups, and rule-level prerequisites. Full operator reference for MongoDB-style conditions.
flag-rules List rules, delete a rule, reorder, or route to the right rule workflow.
flag-experiment Add an experiment-ref rule to a flag to run an A/B test through it.
flag-schedule Time-gate a rule: set a start and/or end datetime for automatic activation.
flag-ramp Multi-step ramp schedule: progressively increase coverage over time with per-step intervals or manual approval gates. Includes live ramp management (advance, pause, rollback, approve-step).
flag-monitoring Monitored progressive rollout ("safe rollout"): ramp schedule with guardrail metric monitoring and optional auto-rollback.
flag-prerequisites Gate an entire flag on another boolean flag being on.
flag-default-value Change the fallback value served when no rules match.
flag-metadata Update a flag's description, owner, project, tags, custom fields, or JSON schema.
flag-revisions List and inspect open drafts, check who owns them, see approval status, create or discard drafts. The "what's in flight?" workflow.
flag-review Request an approval review on a draft, or submit one (approve / request-changes / comment).
flag-publish Publish a draft live, resolve merge conflicts (rebase), discard, or revert to a prior revision.
flag-cleanup Archive or delete a stale flag, walking through code-site inlining first. Two-step safety gate (archive → verify → delete).
Read the full README on GitHub →

Preview from the source repo. Images are removed.

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