---
title: "ESLint Custom Rule Builder"
description: "Scaffolds and tests custom ESLint rules using the RuleTester API and AST Explorer patterns. Generates rule documentation with fixable autofix implementations."
verification: "security_reviewed"
source: "https://github.com/eslint/eslint"
category:
  - "Code Quality & Review"
framework:
  - "Cursor"
tool_ecosystem:
  github_repo: "eslint/eslint"
  github_stars: 27188
  npm_package: "eslint"
  npm_weekly_downloads: 120215107
---

# ESLint Custom Rule Builder

Scaffolds and tests custom ESLint rules using the RuleTester API and AST Explorer patterns. Generates rule documentation with fixable autofix implementations.

## Installation

Choose whichever fits your setup:

1. Copy this skill folder into your local skills directory.
2. Clone the repo and symlink or copy the skill into your agent workspace.
3. Add the repo as a git submodule if you manage shared skills centrally.
4. Install it through your internal provisioning or packaging workflow.
5. Download the folder directly from GitHub and place it in your skills collection.

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/eslint-custom-rule-builder/)