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Writing ast-grep rules in YAML v1.0.0

Use this resource to write code search, lint or migration rules with ast-grep

New

  • 579 downloads
  • 105 likes
  • 135 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install ast-grep-rule-authoring

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 writes YAML rules that match patterns in the syntax tree, flag usages to avoid and propose a rewrite. It sets up the project through sgconfig.yml. You get rules ready to run, with their fixes.

Mostly picked by

Updated November 2, 2026

Card for the “Writing ast-grep rules in YAML” skill

Details

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

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What you get

  • SKILL.md: quick start, project setup and rule-creation workflow
  • rule-syntax.md: YAML rule syntax
  • common-patterns.md: common lint and rewrite patterns

Good fit for

  • You want to ban console.log and fix it automatically
  • You are migrating an API to a new version across the repository

Not for

    Tags

    • ast-grep
    • lint
    • rewrite
    • migration
    • syntax

    About

    You say

    “Write an ast-grep rule that replaces console.log with logger.log.”

    Card for the “Writing ast-grep rules in YAML” skill

    Skill published by heyvhuang 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 code search, lint or migration rules with ast-grep
    3. Review and adjust the result

    Content preview

    Files

    • common-patterns.md2.4 KB
    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • rule-syntax.md4.2 KB
    • SKILL.md3.9 KB

    Origin and licence

    Listed unmodified

    Author
    heyvhuang
    Source
    github.com/heyvhuang/ship-faster/tree/64047d24e0ecb513a5aa879767d95ec7e0e44462/skills/tool-ast-grep-rules
    Licence
    MIT

    Notice

    « tool-ast-grep-rules » (heyvhuang, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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