# 02 Challenge

> Rethink just-completed work against an agreed plan, classifying findings as deal-breaker, suggestion, or correct, with a confidence score. Use to challenge or critically review recent work. Not for line-by-line style review or writing code.

- Skill: `ai-driven-dev/02-challenge` (Agent Skill, multi-file: 4 files)
- Install (CLI): `npx skillmds@latest add ai-driven-dev/02-challenge`
- Raw SKILL.md: https://api.skillmd.com/api/skills/ai-driven-dev/02-challenge/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: ai-driven-dev (https://skillmd.com/u/ai-driven-dev)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/ai-driven-dev/02-challenge

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# Challenge

Rethink prior work and surface what is wrong, missing, or duplicated. Output a structured report with a confidence score so the user knows whether to ship, iterate, or rework.

## Actions

| #   | Action      | Role                                                          | Input                          |
| --- | ----------- | ------------------------------------------------------------- | ------------------------------ |
| 01  | `challenge` | Rethink prior work, classify findings, score confidence       | the work + agreed reference    |

Before running an action, read its file in `actions/`, not only the table or assets.

## Transversal rules

- Reason from first principles, no logical gaps.
- Aim for simplifications. If the work can be smaller, say so.
- Fill `assets/report-template.md` verbatim.

## References

- `references/confidence-rubric.md`: tiered rubric for the confidence percentage.

## Assets

- `assets/report-template.md`: findings report skeleton, filled per run.