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Flags Sdk

Official
vercel·vlatest·backend·MIT

Flags SDK allows you to easily define and manage configuration flags for your Vercel projects, streamlining deployments and feature toggles.

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 vercel/flags --skill flags-sdk -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

vercel

Matched to the vendor's own GitHub organisation.

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 vercel/flags at 45e1bb20aa.

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

Commit
45e1bb20aa
Manifest
skills/flags-sdk/SKILL.md
Scanned
5 files, 2,124 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

The flags-sdk skill provides access to feature flags managed by Vercel Flags. This allows AI agents to dynamically adjust behavior and features based on flag configurations, enabling A/B testing, controlled rollouts, and personalized experiences. It integrates with the Vercel platform for real-time flag management and evaluation.

When to use it

  • A/B Testing: Run experiments by showing different versions of a feature to different users based on flag assignments.
  • Controlled Rollouts: Gradually release new features to a subset of users, monitoring performance before wider deployment.
  • Personalized Experiences: Tailor the AI agent's responses or actions based on user segments defined by Vercel Flags.
  • Emergency Feature Toggles: Quickly disable problematic features in production without code deployments.

Key capabilities

  • Access to Vercel Flags feature flag configurations.
  • Dynamic evaluation of flags based on user context (if configured).
  • Integration with the Vercel platform for flag management.
  • Real-time updates to flag values.

Example prompts

  • "Check if the 'new_greeting' feature is enabled."
  • "What is the value of the 'discount_percentage' flag?"
  • "Evaluate the 'premium_features' flag for user 'john.doe'."

Tips & gotchas

  • Requires a Vercel account and access to a Vercel Flags project.
  • The agent needs appropriate permissions within the Vercel Flags environment to read flag configurations.