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Agent skill

Shopify Admin Duplicate Sku Barcode Detector

by 40RTY-ai in 40RTY-ai/shopify-admin-skills

Read-only: finds duplicate SKUs or barcodes across all product variants.

MITAuto-check passedBackend & APIs

Install Shopify Admin Duplicate Sku Barcode Detector

skills CLI
$ npx skills add 40RTY-ai/shopify-admin-skills --skill shopify-admin-duplicate-sku-barcode-detector -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install 40RTY-ai/shopify-admin-skills shopify-admin-duplicate-sku-barcode-detector --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/40RTY-ai/shopify-admin-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/merchandising/shopify-admin-duplicate-sku-barcode-detector .claude/skills/shopify-admin-duplicate-sku-barcode-detector && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
shopify-admin-duplicate-sku-barcode-detector
GitHub stars
194
Token cost
~1.1k tokens
SKILL.md length
334 words
Files
1
Skills in repo
116
Repo updated
First seen
Licence
MIT

At a glance

Read-only: finds duplicate SKUs or barcodes across all product variants.

  • Works in 4 steps: OPERATION: productVariants — query → Build in-memory map of sku → [variants]… → Report all keys with more than one… → …
  • Backend & APIs work in your project
  • SKILL.md covers Purpose, Prerequisites, Parameters and Safety, plus 6 more sections
  • Calls shopify

What it does

Shopify Admin Duplicate Sku Barcode Detector is an agent skill from 40RTY-ai/shopify-admin-skills. Read-only: finds duplicate SKUs or barcodes across all product variants.

Its SKILL.md is about 1.1k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts. Compatibility notes: Claude Code, Cursor, Codex, Gemini CLI

It sits in Backend & APIs. It works with Shopify. The repository describes itself as: Community-maintained AI agent skills for operating Shopify stores — workflows, optimization, reports and more. The licence is MIT.

When your agent uses it

  • Backend & APIs work in your project

Example prompts

  • “/shopify-admin-duplicate-sku-barcode-detector”

Requirements

  • Compatibility (from SKILL.md): Claude Code, Cursor, Codex, Gemini CLI

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. OPERATION: productVariants — query
  2. Build in-memory map of sku → [variants] and barcode → [variants]
  3. Report all keys with more than one variant (duplicates)
  4. If include_blank: additionally flag variants where sku is null or empty string

What it can do on your machine

Read from SKILL.md and the folder at commit 6765cb4. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • shopify

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    Claude Code, Cursor, Codex, Gemini CLI

    From compatibility in the SKILL.md frontmatter.

Context cost

Shopify Admin Duplicate Sku Barcode Detector loads about 1.1k tokens when it runs. Until then it costs about 29 tokens; SKILL.md has 334 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~29
When it runs · the whole SKILL.md, loaded when a task matches
~1.1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from 40RTY-ai/shopify-admin-skills at commit 6765cb4, republished under its MIT licence (© 40RTY-ai). 334 words, ~1,115 tokens.

Download SKILL.mdSave it as .claude/skills/shopify-admin-duplicate-sku-barcode-detector/SKILL.md (or your agent's skills folder).
name
shopify-admin-duplicate-sku-barcode-detector
description
Read-only: finds duplicate SKUs or barcodes across all product variants.
compatibility
Claude Code, Cursor, Codex, Gemini CLI
role
merchandising
toolkit
shopify-admin, shopify-admin-execution
api_version
2025-01
graphql_operations
productVariants:query
status
stable

Purpose

Scans all product variants and identifies duplicate SKUs or barcodes — two or more variants sharing the same identifier. Duplicate SKUs cause inventory sync failures, incorrect order routing, and accounting mismatches. Read-only — no mutations.

Prerequisites

  • Authenticated Shopify CLI session: shopify store auth --store <domain> --scopes read_products
  • API scopes: read_products

Parameters

ParameterTypeRequiredDefaultDescription
storestringyes—Store domain (e.g., mystore.myshopify.com)
check_skusboolnotrueCheck for duplicate SKUs
check_barcodesboolnotrueCheck for duplicate barcodes
include_blankboolnofalseFlag variants with blank/null SKU
formatstringnohumanOutput format: human or json

Safety

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

Workflow Steps

  1. OPERATION: productVariants — query Inputs: first: 250, select sku, barcode, product { title }, pagination cursor Expected output: All variants with SKU and barcode values; paginate until hasNextPage: false

  2. Build in-memory map of sku → [variants] and barcode → [variants]

  3. Report all keys with more than one variant (duplicates)

  4. If include_blank: additionally flag variants where sku is null or empty string

GraphQL Operations

graphql
# productVariants:query — validated against api_version 2025-01
query VariantIdentifiers($after: String) {
  productVariants(first: 250, after: $after) {
    edges {
      node {
        id
        sku
        barcode
        title
        product {
          id
          title
          handle
          status
        }
      }
    }
    pageInfo {
      hasNextPage
      endCursor
    }
  }
}

Session Tracking

Claude MUST emit the following output at each stage. This is mandatory.

On start, emit:

╔══════════════════════════════════════════════╗
║  SKILL: Duplicate SKU/Barcode Detector       ║
║  Store: <store domain>                       ║
║  Started: <YYYY-MM-DD HH:MM UTC>             ║
╚══════════════════════════════════════════════╝

After each step, emit:

[N/TOTAL] <QUERY|MUTATION>  <OperationName>
          → Params: <brief summary of key inputs>
          → Result: <count or outcome>

On completion, emit:

For format: human (default):

══════════════════════════════════════════════
DUPLICATE SKU / BARCODE REPORT
  Variants scanned:      <n>
  Duplicate SKUs found:  <n> groups
  Duplicate barcodes:    <n> groups
  Blank SKUs:            <n>

  Duplicate SKU groups:
    SKU "ABC-123"  — used by 2 variants:
      Product A / Blue / L
      Product B / Navy / XL
  Output: duplicates_<date>.csv
══════════════════════════════════════════════

For format: json, emit:

json
{
  "skill": "duplicate-sku-barcode-detector",
  "store": "<domain>",
  "variants_scanned": 0,
  "duplicate_sku_groups": 0,
  "duplicate_barcode_groups": 0,
  "blank_skus": 0,
  "output_file": "duplicates_<date>.csv"
}

Output Format

CSV file duplicates_<YYYY-MM-DD>.csv with columns: issue_type, duplicate_value, variant_id, product_title, variant_title, sku, barcode

Error Handling

ErrorCauseRecovery
THROTTLEDAPI rate limit exceededWait 2 seconds, retry up to 3 times
No duplicates foundClean catalogExit with ✅ no issues found

Best Practices

  • Run this skill after every bulk product import — imports are the most common source of duplicate SKUs.
  • A shared SKU across products is only valid if you intentionally use the same SKU for reprints or variants — most cases are data errors.
  • Blank SKUs are not duplicates but can cause problems with 3PLs and fulfillment systems that require a SKU for every variant — use include_blank: true to surface them.
  • After identifying duplicates, use the Shopify Admin UI or the productVariantsBulkUpdate mutation to correct SKU values.

© 40RTY-ai, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in skills/merchandising/shopify-admin-duplicate-sku-barcode-detector of 40RTY-ai/shopify-admin-skills.

Open the folder on GitHubat commit 6765cb4

Compare with similar skills

Shopify Admin Duplicate Sku Barcode Detector next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Shopify Admin Duplicate Sku Barcode Detector compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Shopify Admin Duplicate Sku Barcode Detector this skill40RTY-ai/shopify-admin-skills194—~1.1kAutomated safety check: PassMIT
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Keypo Shoppingkeypo-us/keypo-cli182—~1.3kAutomated safety check: PassNone
Shopify Developmentdavila7/claude-code-templates33k7 repos~2.2kAutomated safety check: PassMIT
TakeoverPentesterFlow/agent1.4k—~3.3kAutomated safety check: PassApache-2.0
Shopify ExpertJeffallan/claude-skills12k—~1.8kAutomated safety check: PassMIT

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Works with

Categories

Questions about Shopify Admin Duplicate Sku Barcode Detector

What does Shopify Admin Duplicate Sku Barcode Detector do?

Read-only: finds duplicate SKUs or barcodes across all product variants. Shopify Admin Duplicate Sku Barcode Detector is an agent skill from 40RTY-ai/shopify-admin-skills. Read-only: finds duplicate SKUs or barcodes across all product variants.

When should I use Shopify Admin Duplicate Sku Barcode Detector?

Shopify Admin Duplicate Sku Barcode Detector fits situations like: backend & APIs work in your project.

How do I install Shopify Admin Duplicate Sku Barcode Detector in Claude Code?

Run `npx skills add 40RTY-ai/shopify-admin-skills --skill shopify-admin-duplicate-sku-barcode-detector -a claude-code`. Or copy the skill folder (skills/merchandising/shopify-admin-duplicate-sku-barcode-detector in 40RTY-ai/shopify-admin-skills) into .claude/skills/shopify-admin-duplicate-sku-barcode-detector in your project. Claude Code loads it when a task matches its description.

How do I install Shopify Admin Duplicate Sku Barcode Detector in Codex?

Run `npx skills add 40RTY-ai/shopify-admin-skills --skill shopify-admin-duplicate-sku-barcode-detector -a codex`. Or copy the skill folder (skills/merchandising/shopify-admin-duplicate-sku-barcode-detector in 40RTY-ai/shopify-admin-skills) into .agents/skills/shopify-admin-duplicate-sku-barcode-detector in your project. Codex loads it when a task matches its description.

Can I use Shopify Admin Duplicate Sku Barcode Detector in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add 40RTY-ai/shopify-admin-skills --skill shopify-admin-duplicate-sku-barcode-detector -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/shopify-admin-duplicate-sku-barcode-detector, .gemini/skills/shopify-admin-duplicate-sku-barcode-detector, .github/skills/shopify-admin-duplicate-sku-barcode-detector and .opencode/skills/shopify-admin-duplicate-sku-barcode-detector in your project.

What does Shopify Admin Duplicate Sku Barcode Detector need to run?

Going by SKILL.md and its folder, Shopify Admin Duplicate Sku Barcode Detector needs the command-line tools its instructions call (shopify). Compatibility (from SKILL.md): Claude Code, Cursor, Codex, Gemini CLI.

Does Shopify Admin Duplicate Sku Barcode Detector access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Shopify Admin Duplicate Sku Barcode Detector safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Shopify Admin Duplicate Sku Barcode Detector use?

Shopify Admin Duplicate Sku Barcode Detector is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Shopify Admin Duplicate Sku Barcode Detector use?

About 1.1k tokens (SKILL.md is roughly 4.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Shopify Admin Duplicate Sku Barcode Detector?

Skills that share tags, products or a category with Shopify Admin Duplicate Sku Barcode Detector: Shopify (Shopify/Shopify-AI-Toolkit, 592 stars), Keypo Shopping (keypo-us/keypo-cli, 182 stars), Shopify Development (davila7/claude-code-templates, 33k stars) and Takeover (PentesterFlow/agent, 1.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Shopify Admin Duplicate Sku Barcode Detector?

40RTY-ai (a GitHub organization) maintains it in 40RTY-ai/shopify-admin-skills, which has 194 GitHub stars. The repository holds 116 skills in this directory. The repository was last updated on August 14, 2026.

Source: 40RTY-ai/shopify-admin-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.