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Writing prompts and agent instructions for GPT v1.0.0

Use this resource to write, revise or review a prompt for a GPT model

New

  • 520 downloads
  • 247 likes
  • 165 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install gpt-prompt-writing-guide

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 identifies the model in use, reads the matching reference (GPT-5.4, 5.5, 5.6 or GPT-6 Astra), then sets the contract, the limits on actions and format, and strips the noise from the prompt. If the model is not covered, it applies general principles. You get a shorter prompt suited to the model.

Mostly picked by

Updated November 2, 2026

Card for the “Writing prompts and agent instructions for GPT” skill

Details

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

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What you get

  • SKILL.md: writing method, from the contract to validating the result
  • references/gpt-5.4.md, gpt-5.5.md, gpt-5.6.md and gpt-6-astra.md: per-model guides

Good fit for

  • You are adapting an existing prompt to a new GPT model
  • A GPT agent produces outputs that are too long or badly formatted

Not for

    Tags

    • prompt
    • gpt
    • instructions
    • model

    About

    You say

    “Rewrite my support agent prompt for GPT-5.5, it's too long.”

    Card for the “Writing prompts and agent instructions for GPT” skill

    Skill published by narumiruna 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 write, revise or review a prompt for a GPT model
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/gpt-5.4.md64 KB
    • references/gpt-5.5.md26.6 KB
    • references/gpt-5.6.md18.3 KB
    • references/gpt-6-astra.md16.6 KB
    • SKILL.md6.5 KB

    Origin and licence

    Listed unmodified

    Author
    narumiruna
    Source
    github.com/narumiruna/skills/tree/079415193cdacb7947dc0dde9526bda7dd659f43/skills/default/prompt-gpt
    Licence
    MIT

    Notice

    « prompt-gpt » (narumiruna, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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