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Agent behaviour evaluation with versioned cases v1.0.0

Use this resource to compare agent or prompt versions and reproduce a failure with regression tests

New

  • 558 downloads
  • 134 likes
  • 227 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install agent-behavior-regression-tests

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 defines versioned cases, explicit checks and success criteria, then compares behaviour before and after a change. You get observed results and a reliability estimate, without concluding a product is ready from a public score.

Mostly picked by

Updated November 2, 2026

Card for the “Agent behaviour evaluation with versioned cases” skill

Details

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

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What you get

  • SKILL.md: prerequisites, evaluation procedure and example
  • references/architecture-sketches.md: optional architecture sketches

Good fit for

  • You change an agent's prompt and want to check it has not regressed
  • You need to reproduce a failure seen in production

Not for

    Tags

    • evaluation
    • agents
    • regression
    • test cases

    About

    You say

    “Compare the old and new prompt of my support agent on these thirty cases and show the regressions.”

    Card for the “Agent behaviour evaluation with versioned cases” skill

    Skill published by sickn33 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 compare agent or prompt versions and reproduce a failure with regression tests
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/architecture-sketches.md37.1 KB
    • SKILL.md7.7 KB

    Origin and licence

    Listed unmodified

    Author
    sickn33
    Source
    github.com/sickn33/agentic-awesome-skills/tree/e9809578fd426a284af017c5db99f8eb6628e6ca/skills/agent-evaluation
    Licence
    MIT

    Notice

    « agent-evaluation » (sickn33, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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