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Constraining LLM output with Guidance v1.0.0

Use this resource to enforce a syntax or output format on an LLM with regex or grammars

New

  • 553 downloads
  • 191 likes
  • 190 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install guidance-constrained-llm-output-2

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 helps you install Guidance, define constraints with a regex or grammar, then generate valid JSON, XML or code. It also shows how to chain steps and use Claude's chat format.

Mostly picked by

Updated November 2, 2026

Card for the “Constraining LLM output with Guidance” skill

Details

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

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What you get

  • SKILL.md: installation, constrained generation and examples with Claude
  • references/constraints.md, backends.md and examples.md: constraints, backends and examples

Good fit for

  • You need valid JSON on every call
  • You want strict formats such as dates or identifiers

Not for

    Tags

    • constraint
    • json
    • regex
    • generation

    About

    You say

    “Have a product sheet generated as valid JSON, with prices in decimal format.”

    Card for the “Constraining LLM output with Guidance” skill

    Skill published by Orchestra Research 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 enforce a syntax or output format on an LLM with regex or grammars
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/backends.md12.3 KB
    • references/constraints.md16.2 KB
    • references/examples.md20.4 KB
    • SKILL.md14.7 KB

    Origin and licence

    Listed unmodified

    Author
    Orchestra Research
    Source
    github.com/orchestra-research/ai-research-skills/tree/773a52944ba4747a18bd4ae9ade53fff041adcbc/16-prompt-engineering/guidance
    Licence
    MIT

    Notice

    « guidance » (Orchestra Research, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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