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One-hour prototype: keep or kill v1.0.0

Use this resource to quickly test a game mechanic and decide what comes next

New

  • 363 downloads
  • 191 likes
  • 203 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install rapid-game-prototyping

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 fills in a prototype brief, greyboxes the level and the systems around the single core verb, and sets keep or kill criteria. It also explains how to keep the throwaway code out of the project.

Mostly picked by

Updated November 2, 2026

Card for the “One-hour prototype: keep or kill” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
Apache-2.0

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What you get

  • SKILL.md : prototype brief and decision criteria
  • SKILL.md : greybox of the core loop and code containment

Good fit for

  • You want to know if a mechanic is fun before building it
  • You have an idea and need a disposable prototype

Not for

    Tags

    • prototype
    • game design
    • mechanic
    • decision

    About

    You say

    “Prototype a grappling-hook mechanic in an hour, and tell me which criteria justify keeping it.”

    Card for the “One-hour prototype: keep or kill” skill

    Skill published by gamedev-skills under the Apache-2.0 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 quickly test a game mechanic and decide what comes next
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE11.3 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md6 KB

    Origin and licence

    Listed unmodified

    Author
    gamedev-skills
    Source
    github.com/gamedev-skills/awesome-gamedev-agent-skills/tree/19d93f97c9c1ea0f8b306e77aa81e0d3e352d3e9/skills/workflows/prototype-fast
    Licence
    Apache-2.0

    Notice

    « prototype-fast » (gamedev-skills, Apache-2.0) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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