verify — declarative verify, official, declarative, ide skills, frontend, javascript, library, Claude Code, Cursor, Windsurf

v1.0.0
GitHub

About this Skill

Perfect for Code Review Agents needing comprehensive content analysis and validation capabilities. Use when you want to validate changes before committing, or when you need to check all React contribution requirements.

# Core Topics

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[243.6k]
[50650]
Updated: 3/5/2026

Agent Capability Analysis

The verify skill by facebook is an open-source official AI agent skill for Claude Code and other IDE workflows, helping agents execute tasks with better context, repeatability, and domain-specific guidance. Optimized for declarative, frontend, javascript.

Ideal Agent Persona

Perfect for Code Review Agents needing comprehensive content analysis and validation capabilities.

Core Value

Empowers agents to validate changes before committing using yarn prettier for code formatting, yarn linc for linting, and parallel testing with /flow, /test, and /test www, ensuring adherence to React contribution requirements.

Capabilities Granted for verify

Validating code changes before deployment
Automating React contribution requirement checks
Running parallel tests for efficient validation

! Prerequisites & Limits

  • Requires yarn and React environment
  • Dependent on /flow, /test, and /test www subagents
Labs Demo

Browser Sandbox Environment

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Experience this Agent in a zero-setup browser environment powered by WebContainers. No installation required.

Boot Container Sandbox

verify

Install verify, an AI agent skill for AI agent workflows and automation. Works with Claude Code, Cursor, and Windsurf with one-command setup.

SKILL.md
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Verification

Run all verification steps.

Arguments:

  • $ARGUMENTS: Test pattern for the test step

Instructions

Run these first in sequence:

  1. Run yarn prettier - format code (stop if fails)
  2. Run yarn linc - lint changed files (stop if fails)

Then run these with subagents in parallel:

  1. Use /flow to type check (stop if fails)
  2. Use /test to test changes in source (stop if fails)
  3. Use /test www to test changes in www (stop if fails)

If all pass, show success summary. On failure, stop immediately and report the issue with suggested fixes.

FAQ & Installation Steps

These questions and steps mirror the structured data on this page for better search understanding.

? Frequently Asked Questions

What is verify?

Perfect for Code Review Agents needing comprehensive content analysis and validation capabilities. Use when you want to validate changes before committing, or when you need to check all React contribution requirements.

How do I install verify?

Run the command: npx killer-skills add facebook/react/verify. It works with Cursor, Windsurf, VS Code, Claude Code, and 19+ other IDEs.

What are the use cases for verify?

Key use cases include: Validating code changes before deployment, Automating React contribution requirement checks, Running parallel tests for efficient validation.

Which IDEs are compatible with verify?

This skill is compatible with Cursor, Windsurf, VS Code, Trae, Claude Code, OpenClaw, Aider, Codex, OpenCode, Goose, Cline, Roo Code, Kiro, Augment Code, Continue, GitHub Copilot, Sourcegraph Cody, and Amazon Q Developer. Use the Killer-Skills CLI for universal one-command installation.

Are there any limitations for verify?

Requires yarn and React environment. Dependent on /flow, /test, and /test www subagents.

How To Install

  1. 1. Open your terminal

    Open the terminal or command line in your project directory.

  2. 2. Run the install command

    Run: npx killer-skills add facebook/react/verify. The CLI will automatically detect your IDE or AI agent and configure the skill.

  3. 3. Start using the skill

    The skill is now active. Your AI agent can use verify immediately in the current project.

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