ESLint Documentation
ESLint is a static analysis tool for JavaScript and TypeScript. Use this skill when working with ESLint configuration, built-in rules, custom rules, plugins, the CLI, or the Node.js API.
Quick Reference
| Task | Entry Point |
|---|---|
| Getting started | contents/use/getting-started.md |
| Flat config (eslint.config.js) | contents/use/configure/configuration-files.md |
| Migrate eslintrc to flat config | contents/use/configure/migration-guide.md |
| Migrate to v10 | contents/use/migrate-to-10.0.0.md |
| Rule reference | contents/rules/{rule-name}.md |
| CLI reference | contents/use/command-line-interface.md |
| Custom rules | contents/extend/custom-rules.md |
| Plugins | contents/extend/plugins.md |
| Node.js API | contents/integrate/nodejs-api.md |
| Troubleshooting | contents/use/troubleshooting/index.md |
When to use
Use this skill when the user asks about:
- Configuring ESLint (flat config, plugins, rules, parsers, ignores)
- Specific built-in lint rules and their options
- Writing custom lint rules or plugins
- CLI usage and options
- Integrating ESLint via the Node.js API
- Migrating to ESLint v10 or from eslintrc to flat config
- TypeScript or non-JS language linting setup
- Suppressing, disabling, or tuning lint warnings
How to find information
- First, read
TOC.mdfor complete file listing organized by directory - Identify relevant section based on user's question
- Read specific files for details
TOC.md contains all files organized by directory - always check it first.

