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Mutation testing with Stryker: score and survivors v1.0.0

Use this resource to assess test quality with mutations and strengthen tests that let defects pass

New

  • 337 downloads
  • 137 likes
  • 247 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install mutation-testing-stryker-qe

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent applies mutations to the code, runs the tests against each one, computes the mutation score and proposes assertions that kill the surviving mutants. It uses Stryker for installation and configuration.

Mostly picked by

Updated November 2, 2026

Card for the “Mutation testing with Stryker: score and survivors” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: principles, mutation operators and score interpretation
  • SKILL.md: Stryker setup and fixing surviving mutants

Good fit for

  • A test suite has high coverage but few assertions
  • A financial module must show that its tests catch errors

Not for

    Tags

    • mutation
    • stryker
    • tests
    • score

    About

    You say

    “Run Stryker on the VAT calculation module and suggest tests for the surviving mutants.”

    Card for the “Mutation testing with Stryker: score and survivors” skill

    Skill published by proffesor-for-testing under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to assess test quality with mutations and strengthen tests that let defects pass
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md5.5 KB

    Origin and licence

    Listed unmodified

    Author
    proffesor-for-testing
    Source
    github.com/proffesor-for-testing/agentic-qe/tree/b177b2315521376b83f2eed40e4994fd7581d067/.kiro/skills/qe-mutation-testing
    Licence
    MIT

    Notice

    « qe-mutation-testing » (proffesor-for-testing, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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