{"id":"fde26066-820c-476b-b488-34b289ce6e9e","shortId":"amWXrJ","kind":"skill","title":"ESLint Custom Rule Builder","tagline":"Scaffolds and tests custom ESLint rules using the RuleTester API and AST Explorer patterns. Generates rule documentation with fixable autofix implementations.","description":"# ESLint Custom Rule Builder\n\nScaffolds and tests custom ESLint rules using the RuleTester API and AST Explorer patterns. Generates rule documentation with fixable autofix implementations.\n\n## Installation\n\nUse the upstream install or setup path that matches your environment:\n- npm init @eslint/config@latest\n- npx eslint yourfile.js\n\nRequirements and caveats from upstream:\n- To use ESLint, you must have [Node.js](https://nodejs.org/) (^20.19.0, ^22.13.0, or >=24) installed and built with SSL support. 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