Claude Code Plugins

Community-maintained marketplace

Feedback

validate-lint

@BerryKuipers/claude-code-toolkit
1
0

Run ESLint and Prettier validation to check code style, formatting, and best practices. Returns structured output with error/warning counts, rule violations, and affected files. Used for code quality gates and pre-commit validation.

Install Skill

1Download skill
2Enable skills in Claude

Open claude.ai/settings/capabilities and find the "Skills" section

3Upload to Claude

Click "Upload skill" and select the downloaded ZIP file

Note: Please verify skill by going through its instructions before using it.

SKILL.md

name validate-lint
description Run ESLint and Prettier validation to check code style, formatting, and best practices. Returns structured output with error/warning counts, rule violations, and affected files. Used for code quality gates and pre-commit validation.

Validate Lint

Executes linting tools (ESLint, Prettier) to validate code style and formatting without making changes.

Usage

This skill runs linting checks and returns structured validation results.

Supported Tools

  • ESLint: JavaScript/TypeScript linting
  • Prettier: Code formatting validation
  • Supports both npm scripts and direct tool invocation

Output Format

Success (No Errors)

{
  "status": "success",
  "lint": {
    "status": "passing",
    "errors": 0,
    "warnings": 0,
    "files": []
  },
  "canProceed": true
}

Errors/Warnings Found

{
  "status": "warning",
  "lint": {
    "status": "failing",
    "errors": 5,
    "warnings": 12,
    "files": [
      "src/components/CharacterCard.tsx",
      "src/utils/helpers.ts"
    ],
    "rules": {
      "no-unused-vars": 3,
      "prefer-const": 2,
      "@typescript-eslint/no-explicit-any": 7
    }
  },
  "canProceed": false,
  "details": "5 linting error(s) must be fixed before proceeding"
}

When to Use

  • Quality gate validation (before commit/PR)
  • Pre-refactor validation
  • After code changes
  • Conductor Phase 3 (Quality Assurance)
  • Refactor agent validation

Requirements

  • ESLint installed (npm package)
  • Configuration file (.eslintrc, eslint.config.js, or package.json)
  • Optional: Prettier for formatting checks