marketplace-manager
Automatically manages marketplace catalog updates, syncs marketplace.json, and handles plugin distribution when user mentions marketplace update, sync catalog, or add to marketplace. Specific to claude-code-plugins two-catalog system.
Best use case
marketplace-manager is best used when you need a repeatable AI agent workflow instead of a one-off prompt.
Automatically manages marketplace catalog updates, syncs marketplace.json, and handles plugin distribution when user mentions marketplace update, sync catalog, or add to marketplace. Specific to claude-code-plugins two-catalog system.
Teams using marketplace-manager should expect a more consistent output, faster repeated execution, less prompt rewriting.
When to use this skill
- You want a reusable workflow that can be run more than once with consistent structure.
When not to use this skill
- You only need a quick one-off answer and do not need a reusable workflow.
- You cannot install or maintain the underlying files, dependencies, or repository context.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/marketplace-manager/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How marketplace-manager Compares
| Feature / Agent | marketplace-manager | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
Automatically manages marketplace catalog updates, syncs marketplace.json, and handles plugin distribution when user mentions marketplace update, sync catalog, or add to marketplace. Specific to claude-code-plugins two-catalog system.
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
SKILL.md Source
# Marketplace Manager
## Purpose
Automatically manages the claude-code-plugins marketplace catalog system, handling updates to marketplace.extended.json, syncing to marketplace.json, and ensuring catalog integrity.
## Trigger Keywords
- "update marketplace"
- "sync marketplace" or "sync catalog"
- "add to marketplace"
- "marketplace catalog"
- "update catalog"
- "regenerate marketplace"
## Two-Catalog System
**Critical Understanding:**
```
marketplace.extended.json (SOURCE OF TRUTH)
├── Full metadata
├── Extended fields (featured, mcpTools, etc.)
└── Edit THIS file manually
↓ npm run sync-marketplace
marketplace.json (GENERATED)
├── CLI-compatible subset
├── Sanitized fields
└── NEVER edit directly
```
## Marketplace Management Tasks
### 1. Add Plugin to Catalog
When adding new plugin:
```json
// Add to marketplace.extended.json
{
"name": "plugin-name",
"source": "./plugins/category/plugin-name",
"description": "Clear one-line description",
"version": "1.0.0",
"category": "productivity",
"keywords": ["keyword1", "keyword2"],
"author": {
"name": "Author Name",
"email": "[email protected]"
},
"repository": "https://github.com/user/repo",
"featured": false // true for featured plugins
}
```
Then:
```bash
npm run sync-marketplace
```
### 2. Update Plugin Version
When bumping version:
1. Update `plugins/category/plugin-name/.claude-plugin/plugin.json`
2. Update marketplace.extended.json entry
3. Run `npm run sync-marketplace`
4. Validate sync worked: `git diff .claude-plugin/marketplace.json`
### 3. Sync Validation
After sync, verify:
```bash
# Check marketplace.json was regenerated
git status .claude-plugin/marketplace.json
# Validate JSON syntax
jq empty .claude-plugin/marketplace.extended.json
jq empty .claude-plugin/marketplace.json
# Check specific plugin entry
jq '.plugins[] | select(.name == "plugin-name")' .claude-plugin/marketplace.json
```
### 4. Featured Plugin Management
Mark plugin as featured:
```json
{
"name": "plugin-name",
"featured": true, // Add this field
// ... rest of fields
}
```
Featured plugins appear first in marketplace.
### 5. Catalog Integrity Checks
I automatically verify:
- ✅ No duplicate plugin names
- ✅ All source paths exist
- ✅ All plugins have required fields
- ✅ Versions are semantic (x.y.z)
- ✅ Categories are valid
- ✅ JSON is valid
- ✅ Sync is current (no uncommitted changes to marketplace.json)
## Valid Categories
```
productivity, security, testing, deployment, documentation,
analysis, integration, ai, devops, debugging, code-quality,
design, example, api-development, database, crypto,
performance, ai-ml, other
```
## Sync Process
When I sync marketplace:
1. **Backup Current State**
```bash
cp .claude-plugin/marketplace.json .claude-plugin/marketplace.json.backup
```
2. **Run Sync Script**
```bash
npm run sync-marketplace
# or: node scripts/sync-marketplace.cjs
```
3. **Validate Output**
```bash
# Check sync success
jq empty .claude-plugin/marketplace.json
# Verify plugins count
jq '.plugins | length' .claude-plugin/marketplace.json
```
4. **Check Diff**
```bash
git diff .claude-plugin/marketplace.json
```
5. **Commit if Valid**
```bash
git add .claude-plugin/marketplace.extended.json .claude-plugin/marketplace.json
git commit -m "chore: Update marketplace catalog"
```
## Sanitized Fields
These fields are REMOVED from marketplace.json (CLI):
- `featured` - Extended metadata
- `mcpTools` - Extended metadata
- `pluginCount` - Extended metadata
- `pricing` - Extended metadata
- `components` - Extended metadata
**Only add these to marketplace.extended.json**
## Marketplace Schema
**Required fields for every plugin:**
```json
{
"name": "string (kebab-case)",
"source": "string (relative path from repo root)",
"description": "string (clear, concise)",
"version": "string (semver: x.y.z)",
"category": "string (from valid list)",
"keywords": "array (at least 2)",
"author": {
"name": "string",
"email": "string (valid email)"
}
}
```
**Optional fields:**
```json
{
"repository": "string (GitHub URL)",
"homepage": "string (docs URL)",
"license": "string (MIT, Apache-2.0, etc.)",
"featured": "boolean (extended only)",
"mcpTools": "number (extended only)"
}
```
## Common Issues & Fixes
### Issue: Sync fails with schema error
```bash
# Check marketplace.extended.json syntax
jq empty .claude-plugin/marketplace.extended.json
# Common errors:
# - Missing comma
# - Invalid field type
# - Duplicate plugin name
```
### Issue: marketplace.json out of sync
```bash
# Regenerate from source
npm run sync-marketplace
# If still fails, check git status
git status .claude-plugin/
```
### Issue: Plugin not appearing
```bash
# Verify entry exists
jq '.plugins[] | select(.name == "plugin-name")' .claude-plugin/marketplace.extended.json
# Check source path
ls -la ./plugins/category/plugin-name
```
## Automation
I can automatically:
1. Add plugin entries with all required fields
2. Update version across plugin + catalog
3. Sync marketplace.json
4. Validate catalog integrity
5. Check for duplicates
6. Fix common issues
## Output Format
```
📦 MARKETPLACE UPDATE REPORT
Action: Add plugin "new-plugin"
Location: plugins/productivity/new-plugin/
✅ COMPLETED STEPS:
1. Added entry to marketplace.extended.json
2. Ran npm run sync-marketplace
3. Validated marketplace.json
4. Checked for duplicates: NONE
5. Verified source path exists
📊 MARKETPLACE STATS:
Total plugins: 227 (+1)
Categories: 14
Featured: 3
Latest sync: 2025-10-16 14:30 UTC
✨ Ready to commit:
git add .claude-plugin/marketplace.extended.json .claude-plugin/marketplace.json
git commit -m "feat: Add new-plugin to marketplace"
```
## Repository-Specific Features
**For claude-code-plugins repo:**
- Manages `claude-code-plugins-plus` marketplace
- Handles both extended and CLI catalogs
- Validates against repository structure
- Checks plugin count accuracy
- Ensures featured plugins are quality plugins
## Examples
**User says:** "Add the new security-scanner plugin to marketplace"
**I automatically:**
1. Read plugin.json for metadata
2. Add entry to marketplace.extended.json
3. Run npm run sync-marketplace
4. Validate both catalogs
5. Check no duplicates
6. Report success
**User says:** "Sync the marketplace catalog"
**I automatically:**
1. Run npm run sync-marketplace
2. Validate marketplace.json generated
3. Check git diff
4. Report changes
**User says:** "Update plugin version in marketplace"
**I automatically:**
1. Find plugin entry
2. Update version in marketplace.extended.json
3. Sync marketplace.json
4. Validate versions match
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