# Woo Duplicate Sku Detector

> Read-only: Detect duplicate SKUs across simple and variable products and export a conflict report.

- **Type:** Skill
- **Install:** `agentstack add skill-navarroido-woocommerce-skill-woo-duplicate-sku-detector`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [navarroido](https://agentstack.voostack.com/s/navarroido)
- **Installs:** 0
- **Category:** [Agent Skills](https://agentstack.voostack.com/c/agent-skills)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [navarroido](https://github.com/navarroido)
- **Source:** https://github.com/navarroido/Woocommerce-skill/tree/claude/woocommerce-ai-skills-0ZaZD/skills/merchandising/woo-duplicate-sku-detector

## Install

```sh
agentstack add skill-navarroido-woocommerce-skill-woo-duplicate-sku-detector
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# woo-duplicate-sku-detector

## Purpose

Scan all WooCommerce products and variations for duplicate SKU values. Duplicate SKUs cause order processing errors, inventory miscounts, and reporting inconsistencies. Exports a conflict report listing every SKU that appears more than once with the product IDs sharing it. Read-only — no products are modified.

## Prerequisites

- WooCommerce store with REST API enabled
- Consumer Key with **Read** scope
- Minimum WooCommerce version: 3.5.0

## Parameters

| Parameter | Type | Required | Default | Description |
|-----------|------|----------|---------|-------------|
| `store_url` | string | yes | — | Base URL of the WooCommerce store |
| `consumer_key` | string | yes | — | WooCommerce REST API consumer key (`ck_...`) |
| `consumer_secret` | string | yes | — | WooCommerce REST API consumer secret (`cs_...`) |
| `dry_run` | bool | no | `false` | No effect — read-only skill |
| `format` | string | no | `human` | Output format: `human` or `json` |
| `include_variations` | bool | no | `true` | Also scan variation SKUs |
| `include_drafts` | bool | no | `false` | Include draft and private products |

## Authentication

WooCommerce uses OAuth 1.0a for HTTP and Basic Auth over HTTPS.

For HTTPS stores (recommended):

```
Authorization: Basic base64(consumer_key:consumer_secret)
```

For HTTP stores (development only): Use OAuth 1.0a — include oauth_consumer_key, oauth_nonce, oauth_signature, oauth_signature_method=HMAC-SHA1, oauth_timestamp, oauth_version=1.0

Never log or output consumer_key or consumer_secret values.

See docs/AUTHENTICATION.md for full setup instructions.

## Safety

Read-only skill — no mutations are executed. Safe to run at any time.

## Workflow Steps

**Step 1 — Fetch all products**

```
GET /wp-json/wc/v3/products
  ?status=publish&per_page=100&page=1
  [add status=draft,private if include_drafts: true]
```

Build a map: `sku → [{ product_id, type, name }]`

**Step 2 — Fetch variation SKUs (if include_variations: true)**

For each variable product:

```
GET /wp-json/wc/v3/products/{id}/variations?per_page=100&page=1
```

Add to the same SKU map: `sku → [{ product_id, variation_id, type: "variation", name }]`

**Step 3 — Identify duplicates**

Filter the SKU map to entries where the list has more than one item and the SKU is non-empty.

**Step 4 — Sort by conflict count and export**

## API Endpoints Used

```
GET  /wp-json/wc/v3/products                   — all products
GET  /wp-json/wc/v3/products/{id}/variations   — variation SKUs
```

## Pagination Strategy

WooCommerce REST API uses page/per_page pagination (not cursor-based).

Standard pattern:

```
page = 1
while True:
  response = GET /endpoint?per_page=100&page=page
  process(response)
  if len(response)                       ║
║  TIME:                     ║
║  MODE:  READ-ONLY                        ║
╚══════════════════════════════════════════╝
```

PER-OPERATION (emit after each API call batch):

```
[N/TOTAL]   →  records | params: =
```

COMPLETION (human format):

```
╔══════════════════════════════════════════╗
║  COMPLETE: woo-duplicate-sku-detector    ║
║  RECORDS PROCESSED:                   ║
║  OUTPUT:                       ║
╚══════════════════════════════════════════╝
```

COMPLETION (json format):

```json
{
  "skill": "woo-duplicate-sku-detector",
  "store": "",
  "completed_at": "",
  "records_processed": ,
  "output_file": "",
  "dry_run": false
}
```

## Output Format

CSV filename: `woo-duplicate-sku-detector_.csv`
Columns: `sku`, `conflict_count`, `product_id`, `variation_id`, `product_type`, `product_name`, `product_status`

## Error Handling

| Error | Cause | Resolution |
|-------|-------|------------|
| `401 Unauthorized` | Invalid credentials | Verify consumer_key and consumer_secret |
| `403 Forbidden` | Key lacks Read scope | Regenerate with Read scope |
| `429 Too Many Requests` | Rate limit | Wait 2 seconds and retry |

## Best Practices

- Run after every product import to catch duplicates introduced by CSV uploads.
- SKUs that are blank/empty are not flagged as duplicates — only non-empty duplicate values are reported.
- Resolve duplicates by editing the SKU in WooCommerce admin (Products → Edit).

## Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [navarroido](https://github.com/navarroido)
- **Source:** [navarroido/Woocommerce-skill](https://github.com/navarroido/Woocommerce-skill)
- **License:** MIT

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/skill-navarroido-woocommerce-skill-woo-duplicate-sku-detector
- Seller: https://agentstack.voostack.com/s/navarroido
- Browse the marketplace: https://agentstack.voostack.com/browse

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