Feature Flagging

DevOps & Security

Feature Flagging is an Agent Skill for devops & security published in the a5c-ai/babysitter repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.

Feature flag configuration and rollout planning for controlled releases

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QUICK START

How to use this skill

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Prompt to paste

Inspect the Agent Skill at https://github.com/a5c-ai/babysitter/blob/HEAD/library/specializations/product-management/skills/feature-flags/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/feature-flagging, but wait for my approval before writing files or running scripts.

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Feature Flagging Skill

Overview

Specialized skill for feature flag configuration and rollout planning. Enables product teams to plan and manage controlled feature releases with proper targeting, monitoring, and rollback strategies.

Capabilities

Flag Design

Generate feature flag specifications
Design flag naming conventions
Create flag documentation templates
Define flag types (release, experiment, ops, permission)
Plan flag dependencies and interactions

Rollout Planning

Design rollout percentage strategies
Create flag targeting rules
Plan canary and gradual rollouts
Define geographic or segment-based rollouts
Create rollout schedules

Operations

Generate kill switch procedures
Track flag lifecycle and cleanup
Monitor flag impact on metrics
Plan flag deprecation
Create incident response procedures

Target Processes

This skill integrates with the following processes:

product-launch-gtm.js - Feature flag rollout for launches
beta-program.js - Beta feature flagging
conversion-funnel-analysis.js - A/B test flag management

Input Schema

{
  "type": "object",
  "properties": {
    "mode": {
      "type": "string",
      "enum": ["design", "rollout", "audit", "deprecate"],
      "description": "Operation mode"
    },
    "feature": {
      "type": "object",
      "properties": {
        "name": { "type": "string" },
        "description": { "type": "string" },
        "type": { "type": "string", "enum": ["release", "experiment", "ops", "permission"] },
        "owner": { "type": "string" },
        "impactLevel": { "type": "string", "enum": ["low", "medium", "high", "critical"] }
      }
    },
    "rolloutStrategy": {
      "type": "object",
      "properties": {
        "type": { "type": "string", "enum": ["percentage", "segment", "geographic", "gradual"] },
        "stages": { "type": "array", "items": { "type": "object" } },
        "criteria": { "type": "object" }
      }
    },
    "existingFlags": {
      "type": "array",
      "items": { "type": "object" },
      "description": "Existing flags for audit or cleanup"
    }
  },
  "required": ["mode"]
}

Output Schema

{
  "type": "object",
  "properties": {
    "flagSpec": {
      "type": "object",
      "properties": {
        "key": { "type": "string" },
        "name": { "type": "string" },
        "description": { "type": "string" },
        "type": { "type": "string" },
        "defaultValue": { "type": "boolean" },
        "variations": { "type": "array", "items": { "type": "object" } },
        "targetingRules": { "type": "array", "items": { "type": "object" } },
        "prerequisites": { "type": "array", "items": { "type": "string" } }
      }
    },
    "rolloutPlan": {
      "type": "object",
      "properties": {
        "stages": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "stage": { "type": "string" },
              "percentage": { "type": "number" },
              "targeting": { "type": "object" },
              "duration": { "type": "string" },
              "successCriteria": { "type": "array", "items": { "type": "string" } },
              "rollbackTriggers": { "type": "array", "items": { "type": "string" } }
            }
          }
        },
        "metrics": { "type": "array", "items": { "type": "string" } },
        "alerts": { "type": "array", "items": { "type": "object" } }
      }
    },
    "killSwitch": {
      "type": "object",
      "properties": {
        "procedure": { "type": "array", "items": { "type": "string" } },
        "owner": { "type": "string" },
        "escalation": { "type": "array", "items": { "type": "string" } }
      }
    },
    "lifecycle": {
      "type": "object",
      "properties": {
        "createdDate": { "type": "string" },
        "plannedRemovalDate": { "type": "string" },
        "cleanupTasks": { "type": "array", "items": { "type": "string" } }
      }
    }
  }
}

Usage Example

const flagPlan = await executeSkill('feature-flags', {
  mode: 'rollout',
  feature: {
    name: 'New Dashboard Experience',
    description: 'Redesigned analytics dashboard with AI insights',
    type: 'release',
    owner: 'product-team',
    impactLevel: 'high'
  },
  rolloutStrategy: {
    type: 'gradual',
    stages: [
      { name: 'internal', percentage: 100, duration: '3 days' },
      { name: 'beta', percentage: 10, duration: '1 week' },
      { name: 'early-adopters', percentage: 25, duration: '1 week' },
      { name: 'general', percentage: 100, duration: 'permanent' }
    ]
  }
});

Dependencies

Feature flag platforms (LaunchDarkly, Split, Flagsmith)
Monitoring and alerting systems