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plugin-validator

verified

Validate plugin structure, manifests, and silent failure patterns. TRIGGERS - plugin validation, validate plugin, check plugin, silent failures, hook audit, stderr emission.

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Marketplace

cc-skills

terrylica/cc-skills

Plugin

plugin-dev

development

Repository

terrylica/cc-skills
8stars

plugins/plugin-dev/skills/plugin-validator/SKILL.md

Last Verified

January 25, 2026

Install Skill

Select agents to install to:

Scope:
npx add-skill https://github.com/terrylica/cc-skills/blob/main/plugins/plugin-dev/skills/plugin-validator/SKILL.md -a claude-code --skill plugin-validator

Installation paths:

Claude
.claude/skills/plugin-validator/
Powered by add-skill CLI

Instructions

# Plugin Validator

Comprehensive validation for Claude Code marketplace plugins.

## Quick Start

```bash
# Validate a specific plugin
uv run plugins/plugin-dev/skills/plugin-validator/scripts/audit_silent_failures.py plugins/my-plugin/

# Validate with fix suggestions
uv run plugins/plugin-dev/skills/plugin-validator/scripts/audit_silent_failures.py plugins/my-plugin/ --fix
```

## Validation Phases

### Phase 1: Structure Validation

Check plugin directory structure:

```bash
/usr/bin/env bash << 'VALIDATE_EOF'
PLUGIN_PATH="${1:-.}"

# Check plugin.json exists
if [[ ! -f "$PLUGIN_PATH/plugin.json" ]]; then
    echo "ERROR: Missing plugin.json" >&2
    exit 1
fi

# Validate JSON syntax
if ! jq empty "$PLUGIN_PATH/plugin.json" 2>/dev/null; then
    echo "ERROR: Invalid JSON in plugin.json" >&2
    exit 1
fi

# Check required fields
REQUIRED_FIELDS=("name" "version" "description")
for field in "${REQUIRED_FIELDS[@]}"; do
    if ! jq -e ".$field" "$PLUGIN_PATH/plugin.json" >/dev/null 2>&1; then
        echo "ERROR: Missing required field: $field" >&2
        exit 1
    fi
done

echo "Structure validation passed"
VALIDATE_EOF
```

### Phase 2: Silent Failure Audit

**Critical Rule**: All hook entry points MUST emit to stderr on failure.

Run the audit script:

```bash
uv run plugins/plugin-dev/skills/plugin-validator/scripts/audit_silent_failures.py plugins/my-plugin/
```

#### What Gets Checked

| Check         | Target Files | Pattern                                |
| ------------- | ------------ | -------------------------------------- |
| Shellcheck    | `hooks/*.sh` | SC2155, SC2086, etc.                   |
| Silent bash   | `hooks/*.sh` | `mkdir\|cp\|mv\|rm\|jq` without `if !` |
| Silent Python | `hooks/*.py` | `except.*: pass` without stderr        |

#### Hook Entry Points vs Utility Scripts

| Location                 | Type        | Requirement          |
| ------------------------ | ----------- | -------------------- |
| `plugins/*/hooks/*.sh`   | Entry p

Validation Details

Front Matter
Required Fields
Valid Name Format
Valid Description
Has Sections
Allowed Tools
Instruction Length:
3083 chars