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feature-flag-manager

Define feature flags with rollout strategies and cleanup plans.

28|3|Updated Mar 7, 2026
Search Tags:#feature-flag#config-management#ab-test#gradual-rollout#gate-feature#rollout-monitoring#cleanup-workflow
One-click install
npx skills add https://github.com/girijashankarj/cursor-handbook --skill feature-flag-manager-girijashankarj
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: feature-flag-manager
Source: https://github.com/girijashankarj/cursor-handbook/tree/main/.cursor/skills/backend/feature-flag-manager
Command: npx skills add https://github.com/girijashankarj/cursor-handbook --skill feature-flag-manager-girijashankarj

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Gate and manage features with flags to control rollout velocity, perform safe deployments, and clean up obsolete configurations without code changes.

Core Features & Use Cases

  • Gate features behind flags across environments (dev, staging, prod)
  • Support rollout strategies (boolean on/off, percentage, user segment) and canaries
  • Provide a cleanup workflow with documentation, tests, and maintenance guidance

Quick Start

Configure a new flag named FEATURE_EXAMPLE and enable it in staging to validate the rollout.

Frequently Asked Questions about feature-flag-manager

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I gate a feature behind a flag for a controlled rollout?▼

To gate a feature, identify the target code path, define a flag name, assign an owner, and apply gating logic. You then plan rollout stages across dev, staging, canary, and production with monitoring.

What rollout strategies can I use for feature flags?▼

Supported feature flag rollout strategies include boolean on/off toggles, percentage-based rollouts, and user segment targeting. These approaches enable safe deployments and canary releases without requiring code changes.

How do I manage feature flag cleanup after a rollout completes?▼

Feature flag cleanup requires maintaining a target removal date, testing both enabled and disabled code paths, and executing removal steps when rollout completes to eliminate obsolete configurations.

Do I need to test both enabled and disabled feature flag paths?▼

Yes, you must test both enabled and disabled feature flag paths. Maintaining tests for both states ensures gating logic functions correctly and prevents failures during rollout or final cleanup.

Can I use feature flags for canary deployments across staging and production?▼

Yes, feature flags support canary deployments. The workflow plans rollout stages from dev and staging to canary and production, enabling controlled deployment velocity and monitoring at each step.

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