# iterate-until-verified

> Claude/Codex skill by [@MengTo](https://omgskills.com/library/mengto/index.md) · 3.8k stars · Updated 2026-07-28

Apply a prompt-agnostic execution and verification loop to any substantial task while preserving the original request. Use when the user asks to fan out work, use subagents or independent reviewers, loop until done, benchmark against references, apply a harsh critic, compare candidates blind, improve an existing prompt with verification, or continue until explicit quality gates pass.

## Install

```sh
git clone https://github.com/MengTo/Skills /tmp/Skills && ln -s /tmp/Skills/agent-skills/codex/iterate-until-verified ~/.claude/skills/iterate-until-verified
```

## From README

Iterate Until Verified Preserve the task. Strengthen the process around it. Choose the mode Execute: Complete the original task with the workflow below. Use this mode by default. Compose: When the user asks for an improved prompt rather than the finished work, return a reusable prompt wrapper. Keep the original task authoritative and unchanged inside the wrapper. Do not silently switch from composing a prompt to executing it. Lock the original task Extract: outcome and deliverables audience and use case supplied inputs and references constraints, tools, formats, and exclusions authorized actions and protected boundaries explicit definition of done Treat these as the task contract. Do not replace the subject, invent requirements, relax constraints, expand permissions, or let the verification method become the deliverable. Ask a question only when a missing answer would materially change the work and cannot be discovered safely. Otherwise, state a reasonable assumption and proceed.

## Links

- HTML page: https://omgskills.com/library/mengto/skills/iterate-until-verified/
- GitHub: https://github.com/MengTo/Skills
- Author: [@MengTo](https://omgskills.com/library/mengto/index.md)

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