Agent Skills Hub

About

What are agent skills?

Agent skills package instructions, scripts, and reference material into a single folder (SKILL.md) so an AI agent can perform a specific task better. Claude, ChatGPT/Codex, Cursor, Gemini CLI, and GitHub Copilot all support the same format.

About this site

We collect skills from across the web and show which agents they work with and how to install them. Each skill belongs to its original author, and we always link to the source.

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Category: Development

Verification Before Completion

Requires real verification before claiming work is complete or opening a PR.

Works with

What it does

  • Verification Before Completion
  • Core principle:* Evidence before claims, always.
  • Violating the letter of this rule is violating the spirit of this rule.*
  • NO COMPLETION CLAIMS WITHOUT FRESH VERIFICATION EVIDENCE

When to use it

Requires real verification before claiming work is complete or opening a PR.

How to install

  1. Run the command below in your terminal. Pick the agents you use (Claude Code, Codex, Cursor, Gemini CLI, Copilot, and more) and it installs into the right folder.
npx skills add https://github.com/obra/superpowers --skill verification-before-completion
  1. To install manually, download the verification-before-completion skill folder from the GitHub repository and copy it into your agent's skills folder, such as ~/.claude/skills/ or .cursor/skills/.
  2. Ask your agent for a related task and the skill is used automatically.
View source ↗

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