Name: linting-neostandard-eslint9
Author: mcollina

About

Imported from mcollina/skills (skills/linting-neostandard-eslint9/SKILL.md) via skills.sh. Install upstream with npx skills add mcollina/skills --skill linting-neostandard-eslint9. Copyright stays with the author.

When to use

Use this skill when you need to:

Set up linting in a JavaScript or TypeScript project
Use neostandard as a Standard-like ESLint v9 flat-config baseline
Configure eslint@9 with the flat config system (eslint.config.js/eslint.config.mjs)
Migrate from standard to neostandard or ESLint v9
Migrate from legacy .eslintrc* configuration to ESLint v9
Run linting consistently in CI and local development

Quick start: basic neostandard setup

Install dependencies and create a minimal eslint.config.js:

npm install --save-dev eslint@9 neostandard

// eslint.config.js
import neostandard from 'neostandard'

export default neostandard()

Verify the config works:

npx eslint .

Common setup workflow (new project)

Install eslint@9 and neostandard (see Quick start above)
Create eslint.config.js with neostandard() as the base
Add any project-specific rule overrides on top
Run npx eslint . to confirm no config errors
Add a lint script to package.json: "lint": "eslint ."
Integrate into CI with a non-fix run; use --fix only in local workflows

How to use

Read individual rule files for implementation details and examples:

rules/neostandard.md - Install, configure, and extend neostandard with ESLint
rules/eslint-v9-flat-config.md - Build ESLint v9 flat config for JS/TS projects
rules/migration-from-standard.md - Migrate from standard to neostandard or ESLint v9
rules/migration-from-legacy-eslint.md - Migrate from .eslintrc* to flat config safely
rules/ci-and-editor-integration.md - CI scripts, pre-commit, and editor setup

Core principles

Prefer reproducible linting with pinned major versions
Keep config minimal and explicit
Use flat config for ESLint v9 projects
Treat lint failures as quality gates in CI
Enable auto-fix for local workflows, but validate with non-fix CI runs

Use it

Copy one of these into your project. Installing also returns the manifest and these snippets.

yaml

targets:
  - https://api.opensmartroute.ai/api/v1/registry/mcollina-skills-linting-neostandard-eslint9/manifest   # or paste the manifest below

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

mcollina-skills-linting-neostandard-eslint9.ocm.jsonjson

{
  "ocm": "1",
  "id": "mcollina-skills-linting-neostandard-eslint9",
  "kind": "skill",
  "name": "linting-neostandard-eslint9",
  "description": "Configures ESLint v9 flat config and neostandard for JavaScript and TypeScript projects, including migrating from legacy `.eslintrc*` files or the `standard` package. Use when you need to set up or fix linting with `eslint.config.js` or `eslint.config.mjs`, troubleshoot lint errors, configure neostandard rules, migrate from `.eslintrc` to flat config, or integrate linting into CI pipelines and pre-commit hooks.",
  "publisher": "mcollina",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "coding"
    ],
    "tags": [
      "skill-md",
      "linting",
      "neostandard",
      "eslint",
      "eslint9",
      "flat-config",
      "javascript",
      "typescript",
      "skills-sh"
    ],
    "languages": [
      "en"
    ]
  },
  "quality_prior": 0.6,
  "examples": [
    "Configures ESLint v9 flat config and neostandard for JavaScript and TypeScript projects, including migrating from legacy `.eslintrc*` files or the `standard` package. Use when you need to set up or fix linting with `eslint.config.js` or `eslint.config.mjs`, troubleshoot lint errors, configure neostandard rules, migrate from `.eslintrc` to flat config, or integrate linting into CI pipelines and pre-commit hooks."
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "skills.sh",
      "repository": "https://github.com/mcollina/skills",
      "path": "skills/linting-neostandard-eslint9/SKILL.md",
      "ref": "HEAD",
      "url": "https://www.skills.sh/mcollina/skills/linting-neostandard-eslint9",
      "key": "mcollina/skills/skills/linting-neostandard-eslint9/SKILL.md"
    }
  },
  "instructions": "## When to use\n\nUse this skill when you need to:\n- Set up linting in a JavaScript or TypeScript project\n- Use `neostandard` as a Standard-like ESLint v9 flat-config baseline\n- Configure `eslint@9` with the flat config system (`eslint.config.js`/`eslint.config.mjs`)\n- Migrate from `standard` to `neostandard` or ESLint v9\n- Migrate from legacy `.eslintrc*` configuration to ESLint v9\n- Run linting consistently in CI and local development\n\n## Quick start: basic neostandard setup\n\nInstall dependencies and create a minimal `eslint.config.js`:\n\n```bash\nnpm install --save-dev eslint@9 neostandard\n```\n",
  "cost": {
    "context_tokens": 527
  }
}

Fetch it by URL: GET /api/v1/registry/mcollina-skills-linting-neostandard-eslint9/manifest?version=1.0.0

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