retest:kit

Ship more · Break less …... and retest

Unbreakable apps are not tested.
They are retested.

— ChatGPT

GET RETEST

Install with

Install MCP into Claude Code

claude mcp add retest -- npx -y retestkit@latest

or as a Claude Code plugin — see docs for the marketplace install command

Cover

Explore app · Author markdown tests

/retest:cover

Agent ▾ Your agent ▾

USE RETEST

1. Implement

Do your work as usual (agent or human)

Implement more confetti into the app.

Agent ▾ Your agent ▾

2. Get covered

Plan tests · Run tests · Report bugs

/retest

Agent ▾ Your agent ▾

ABOUT RETEST

Why

How It Works

/retest:cover
Explores your app and writes markdown tests to your repo

/retest
Replays cached tests deterministically and heals what's stale

Key Benefits

Zero manual test writing — AI generates tests from app exploration
Visual evidence — Every test captures screenshots and DOM snapshots
Tests live in your repo — Plain markdown, reviewable in PRs like any other file
Zero-token re-runs — Cached deterministic replays cost nothing until something changes
Healing never hides bugs — Assertions are never weakened without your approval
Secure

Docs

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