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Community skill · testing

TDD

Popular test-driven development skill from Matt Pocock for red-green-refactor workflows and focused test design.

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Critique links active marketplace skills to each review run, rolls accepted and false-positive feedback into the skill rate, then promotes skills with enough labels into the leaderboard.

SKILL.md preview

# TDD

This is a Critique Marketplace source link for a public agent skill. It does not vendor the upstream SKILL.md; use the links below to inspect and install the maintained source.

## Upstream links

- Source: https://github.com/mattpocock/skills
- skills.sh listing: https://www.skills.sh/mattpocock/skills/tdd
- Upstream install: `npx skills add mattpocock/skills`

## Use this when

- A behavior change needs a tight regression test before implementation.
- A review finding should be locked down with a failing test before the fix lands.

## Review before installing

- Keep tests proportional to risk; do not force a full TDD loop for copy-only or mechanical changes.
- Ask the agent to show the failing assertion before the implementation when practical.

## Critique usage

When this skill shapes a PR review, cite the exact upstream version or commit you inspected. Treat source-linked skills as discovery entries until your team has reviewed the upstream SKILL.md and any scripts it brings with it.

Version history

  • v1.0.0

    Curated source link added

    6/4/2026