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Feature Flag System

Checked
aj-geddes·vlatest·other·MIT

This Feature Flag System allows developers to safely deploy new features and A/B test variations by toggling them on/off without releasing code changes.

Repository

Install on your platform

Showing Claude Code. One command installs this skill into any of the agents below.

  1. 1

    Run this in your project

    terminal
    $ npx skills add aj-geddes/useful-ai-prompts --skill feature-flag-system -a claude-code

  2. Uses the open-source skills CLI and needs Node.js. Add -g to install it for your user instead of this project.

What we know about this skill

Publisher

aj-geddes

Taken from the source listing. We haven't verified who controls this account.

Install target

Live repository

Not pinned. Installing fetches whatever the repository holds at the time you run the command.

No human has reviewed this code. The checks below are a static scan of the files at one commit — nobody has run this skill or judged whether it works. A skill runs with whatever access you give your agent, so read the source before you install it.

Automated safety checks

scanned

This skill passed all 6 checks. We read its files at one commit and looked for the things that make a skill dangerous to run — not for whether it works.

  • Declares what it does: passed

    SKILL.md parses and declares a name and a description.

    SKILL.md exists, its frontmatter parses, and it declares a name and a description.

  • No undeclared network calls: passed

    Makes no network calls.

    Every host the skill dials — from its scripts, its config endpoints or the commands it tells the agent to run — is either well-known package and API infrastructure or declared in its own frontmatter. Links in documentation are not counted.

  • No obfuscated payloads: passed

    No encoded or obfuscated payloads.

    No base64, hex or compressed blob is decoded and then executed, and no encoded shell commands.

  • No credential access: passed

    Reads no keys, tokens, keychains or credential files.

    Neither the code nor the SKILL.md instructions read SSH keys, cloud credentials, keychains, token stores, browser cookie databases or dotfiles that hold secrets.

  • No pipe-to-shell installers: passed

    No pipe-to-shell or download-and-run installers.

    No `curl … | sh` pattern, in the code or in the instructions, that runs code fetched at run time.

  • Pinned to a commit: passed

    Scanned aj-geddes/useful-ai-prompts at 3f5182cfd7.

    The exact upstream commit SHA that was scanned is recorded, so the result refers to specific bytes.

Commit
3f5182cfd7
Manifest
skills/feature-flag-system/SKILL.md
Scanned
8 files, 821 lines
This is a static scan, not a review. It reads the skill's files; it does not run them, and it cannot tell you whether the skill is any good or whether the code does what its description says. A skill runs with whatever access you give your agent.
What each check looks for →

About this skill

What it does

This skill enables AI agents to dynamically control feature availability within applications without requiring code redeployment. It allows for granular management of functionality based on user segments, testing requirements, or operational status.

When to use it

  • Roll out new features to a small percentage of users for A/B testing before a full launch.
  • Disable specific functionalities immediately during production incidents to restore service stability.
  • Grant exclusive access to premium features for beta testers or enterprise clients.
  • Toggle maintenance modes for specific user groups while keeping the rest of the application operational.

Key capabilities

  • Define conditional logic to determine feature visibility and behavior.
  • Segment users based on attributes like role, plan tier, or geographic location.
  • Set expiration dates or time-based rules for temporary feature access.
  • Monitor flag status changes in real-time across distributed systems.

Example prompts

"Create a feature flag strategy to roll out the new dashboard design to 5% of power users first." "Draft a configuration to disable the file upload module for all accounts on the free plan." "Generate a schedule to automatically enable the dark mode feature during evening hours for European time zones."

Tips & gotchas

Ensure your underlying infrastructure supports runtime evaluation of flags, as some legacy systems may require code changes when toggles shift. Always document flag dependencies clearly to prevent unintended side effects when multiple features interact.