verify-test-strength
SkillFiles & storageProve what a test file actually detects by mutating the production source. Use when a test file's value is in doubt — after writing tests for existing behavior, before deleting or compressing tests, or when reviewing a large test file that may be tautological.
Available today. Use it from your connected AI after setup.
No other account needed.
Connect ahel once, and every AI you use reads what you have installed.
Then ask your AI: use the verify-test-strength skill
What this skill tells your AI
The instructions your AI receives, as published by atcoder-novisteps/atcodernovisteps in .claude/skills/verify-test-strength/SKILL.md and read by ahel’s review.
Measure the detection power of the tests for: $ARGUMENTS
- Baseline — run the target test file; record the pass count
- Mutate — apply the mutants in instructions.md one at a time, restoring after each; record which test names fail
- Report — a mutant × detecting-test matrix; name the missing tests and the deletion candidates
Signals
- GitHub stars
- 67
- Forks
- 10
- Last commit
- Sep 2026
Advanced
- Catalog kind
- skill
- Gateway key
verify-test-strength- Source
- github.com/atcoder-novisteps/atcodernovisteps