Validate Plugin

Name: Validate Plugin
Author: pdugan20

ASecurity

Validates Claude Code plugin manifest files (plugin.json). Use when user asks to "check my plugin.json", "validate plugin.json", "plugin errors", or "why isn't my plugin loading". Validates JSON syntax, required fields (name, version, description), semantic versioning, and skill file references.

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Added May 26, 2026

toolsbash

Works with

claude code

Security analysis

A100/100

Pro scans all 3 files and shows the line behind each finding

Scanned May 27, 2026

npx -y skills add pdugan20/claudelint --skill validate-plugin --agent claude-code

Installs into .claude/skills of the current project.

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SKILL.md

---
name: validate-plugin
description: Validates Claude Code plugin manifest files (plugin.json). Use when user asks to "check my plugin.json", "validate plugin.json", "plugin errors", or "why isn't my plugin loading". Validates JSON syntax, required fields (name, version, description), semantic versioning, and skill file references.
version: 1.0.0
argument-hint: "[flags]"
allowed-tools:
  - Bash(claudelint:*)
---

# Validate Plugin Manifests

Runs `claudelint validate-plugin` to validate `.claude-plugin/plugin.json` files.

## Usage

```bash
claudelint validate-plugin $ARGUMENTS
```

## Options

- `--path <path>` - Custom path to plugin.json
- `--verbose` - Show detailed output
- `--warnings-as-errors` - Treat warnings as errors

## What Gets Validated

- JSON syntax
- Required fields (name, version, description)
- Semantic versioning (x.y.z format)
- Skill file references (checks if referenced skills exist)
- Optional fields (homepage, repository, author, license)

## Examples

```bash
claudelint validate-plugin
claudelint validate-plugin --path /path/to/plugin.json
```

## See Also

- [validate-all](../validate-all/SKILL.md) - Run all validators