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mcollina/linting-neostandard-eslint9

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.

96

1.25x
Quality

95%

Does it follow best practices?

Impact

97%

1.25x

Average score across 5 eval scenarios

SecuritybySnyk

Passed

No known issues

Overview
Quality
Evals
Security
Files

criteria.jsonevals/scenario-4/

{
  "context": "Tests whether the agent follows the correct migration path from the 'standard' package to neostandard/ESLint v9, including using the --migrate flag, removing old setup, and updating scripts correctly.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "eslint.config.js created",
      "description": "An eslint.config.js (or eslint.config.mjs) file exists in the output",
      "max_score": 8
    },
    {
      "name": "neostandard as config base",
      "description": "eslint.config.js imports and uses neostandard() as the configuration base (not @eslint/js or other baselines)",
      "max_score": 10
    },
    {
      "name": "standard removed from devDependencies",
      "description": "package.json devDependencies no longer contains 'standard'",
      "max_score": 10
    },
    {
      "name": "standard config block removed",
      "description": "The top-level 'standard' config block is removed from package.json",
      "max_score": 12
    },
    {
      "name": "lint script uses eslint",
      "description": "package.json 'lint' script value is 'eslint .' (not 'standard' or 'neostandard')",
      "max_score": 12
    },
    {
      "name": "lint:fix script uses eslint --fix",
      "description": "package.json 'lint:fix' script value is 'eslint . --fix' (not 'standard --fix' or 'neostandard --fix')",
      "max_score": 10
    },
    {
      "name": "neostandard devDependency added",
      "description": "package.json devDependencies includes 'neostandard'",
      "max_score": 8
    },
    {
      "name": "eslint devDependency added",
      "description": "package.json devDependencies includes 'eslint'",
      "max_score": 8
    },
    {
      "name": "No standard lint command used",
      "description": "No script or command in package.json or config files calls 'standard' (the lint runner) — linting runs via eslint only",
      "max_score": 12
    },
    {
      "name": "Migration notes present",
      "description": "MIGRATION_NOTES.md exists and mentions at least one behavioral difference (e.g. import rules, rule changes, or eslint-plugin-import-x)",
      "max_score": 10
    }
  ]
}

evals

SKILL.md

tile.json