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Agent skill

Shopify Admin Metafield Definition Audit

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

Read-only: enumerates every metafield definition across all owner types and flags unused, undocumented, or duplicate-key definitions.

MITAuto-check passed

Install Shopify Admin Metafield Definition Audit

skills CLI
$ npx skills add 40RTY-ai/shopify-admin-skills --skill shopify-admin-metafield-definition-audit -a claude-code

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

GitHub CLI
$ gh skill install 40RTY-ai/shopify-admin-skills shopify-admin-metafield-definition-audit --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/store-management/shopify-admin-metafield-definition-audit .claude/skills/shopify-admin-metafield-definition-audit && 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-metafield-definition-audit
GitHub stars
194
Token cost
~1.8k tokens
SKILL.md length
579 words
Files
1
Skills in repo
116
Repo updated
First seen
Licence
MIT

At a glance

Read-only: enumerates every metafield definition across all owner types and flags unused, undocumented, or duplicate-key definitions.

  • Works in 4 steps: Determine the list of owner types to… → OPERATION: metafieldDefinitions — query → Build flag set per definition → …
  • SKILL.md covers Purpose, Prerequisites, Parameters and Safety, plus 6 more sections
  • Calls shopify

What it does

Shopify Admin Metafield Definition Audit is an agent skill from 40RTY-ai/shopify-admin-skills. Read-only: enumerates every metafield definition across all owner types and flags unused, undocumented, or duplicate-key definitions.

Its SKILL.md is about 1.8k 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 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.

Example prompts

  • “/shopify-admin-metafield-definition-audit”

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. Determine the list of owner types to scan from owner_types (default: full list).
  2. OPERATION: metafieldDefinitions — query
  3. Build flag set per definition
  4. Group results by owner type for the report and emit per-flag summaries.

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 Metafield Definition Audit loads about 1.8k tokens when it runs. Until then it costs about 44 tokens; SKILL.md has 579 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~44
When it runs · the whole SKILL.md, loaded when a task matches
~1.8k

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). 579 words, ~1,773 tokens.

Download SKILL.mdSave it as .claude/skills/shopify-admin-metafield-definition-audit/SKILL.md (or your agent's skills folder).
name
shopify-admin-metafield-definition-audit
description
Read-only: enumerates every metafield definition across all owner types and flags unused, undocumented, or duplicate-key definitions.
compatibility
Claude Code, Cursor, Codex, Gemini CLI
role
store-management
toolkit
shopify-admin, shopify-admin-execution
api_version
2025-01
graphql_operations
metafieldDefinitions:query
status
stable

Purpose

Inventories every metafield definition (PRODUCT, VARIANT, CUSTOMER, ORDER, COLLECTION, COMPANY, LOCATION, and others) and flags definitions that are unused (zero values stored), undocumented (missing description), or share a namespace.key collision across owner types. Definition sprawl is a leading source of theme/app bugs and slow Admin search. Read-only — no mutations. Provides the data foundation for a definition-cleanup workflow.

Prerequisites

  • Authenticated Shopify CLI session: shopify store auth --store <domain> --scopes read_products,read_customers,read_orders,read_inventory
  • API scopes: read scopes for any owner types in scope (defaults: read_products, read_customers, read_orders)

Parameters

ParameterTypeRequiredDefaultDescription
storestringyes—Store domain (e.g., mystore.myshopify.com)
owner_typesstringnoallComma-separated owner types to scan (e.g. PRODUCT,CUSTOMER); all scans every supported type
flag_unusedboolnotrueFlag definitions whose metafieldsCount is zero
flag_undocumentedboolnotrueFlag definitions with empty/null description
flag_duplicatesboolnotrueFlag namespace.key pairs that exist on more than one owner type
formatstringnohumanOutput format: human or json

Safety

ℹ️ Read-only skill — no mutations are executed. Safe to run at any time. No metafield definitions are deleted, updated, or pinned by this skill.

Workflow Steps

  1. Determine the list of owner types to scan from owner_types (default: full list).

  2. OPERATION: metafieldDefinitions — query Inputs: For each owner type: first: 250, ownerType: <TYPE>, select id, namespace, key, name, description, type { name }, pinnedPosition, metafieldsCount, validations { name value }, pagination cursor Expected output: All definitions per owner type with usage counts; paginate until hasNextPage: false

  3. Build flag set per definition:

    • unused — metafieldsCount == 0 and flag_unused: true
    • undocumented — description is null or empty and flag_undocumented: true
    • duplicate_key — namespace.key appears on more than one owner type and flag_duplicates: true

  4. Group results by owner type for the report and emit per-flag summaries.

GraphQL Operations

graphql
# metafieldDefinitions:query — validated against api_version 2025-01
query MetafieldDefinitionAudit($ownerType: MetafieldOwnerType!, $after: String) {
  metafieldDefinitions(first: 250, after: $after, ownerType: $ownerType) {
    edges {
      node {
        id
        namespace
        key
        name
        description
        ownerType
        pinnedPosition
        metafieldsCount
        type {
          name
          category
        }
        validations {
          name
          value
          type
        }
        access {
          admin
          storefront
        }
      }
    }
    pageInfo {
      hasNextPage
      endCursor
    }
  }
}

Session Tracking

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

On start, emit:

╔══════════════════════════════════════════════╗
║  SKILL: Metafield Definition Audit           ║
║  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):

══════════════════════════════════════════════
METAFIELD DEFINITION AUDIT
  Owner types scanned:    <n>
  Total definitions:      <n>

  By owner type:
    PRODUCT:    <n>   (unused: <n>, undocumented: <n>)
    VARIANT:    <n>   (unused: <n>, undocumented: <n>)
    CUSTOMER:   <n>   (unused: <n>, undocumented: <n>)
    ORDER:      <n>   (unused: <n>, undocumented: <n>)

  Flags:
    Unused definitions:        <n>
    Undocumented definitions:  <n>
    Duplicate keys:            <n>

  Examples:
    PRODUCT  custom.swatch_hex      unused (0 values)
    CUSTOMER custom.vip_tier        undocumented
    ORDER+CUSTOMER  custom.notes    duplicate key across owner types
  Output: metafield_def_audit_<date>.csv
══════════════════════════════════════════════

For format: json, emit:

json
{
  "skill": "metafield-definition-audit",
  "store": "<domain>",
  "owner_types_scanned": 0,
  "total_definitions": 0,
  "unused_definitions": 0,
  "undocumented_definitions": 0,
  "duplicate_keys": 0,
  "output_file": "metafield_def_audit_<date>.csv"
}

Output Format

CSV file metafield_def_audit_<YYYY-MM-DD>.csv with columns: definition_id, owner_type, namespace, key, name, type, description_present, metafields_count, pinned, is_unused, is_undocumented, is_duplicate_key, flags

Show full SKILL.md (240 more words)Show less

Error Handling

ErrorCauseRecovery
THROTTLEDAPI rate limit exceededWait 2 seconds, retry up to 3 times
ACCESS_DENIED for an owner typeCaller lacks the read scope for that resourceSkip that owner type with a warning row in the CSV
metafieldsCount returns nullOwner type does not expose count, or count is still computingTreat as unknown; do not flag as unused
Owner type not supported in API versionNewer owner type not yet availableSkip with warning; re-run after API version upgrade

Best Practices

  • Run quarterly and after any app install/uninstall — apps frequently leave behind their definitions when removed.
  • Do NOT bulk-delete unused definitions without first searching the storefront theme for references to that namespace.key. Theme liquid may read a definition that has zero saved values yet (e.g., a newly added field that has not been populated).
  • Pin the most-used definitions (pinnedPosition set) to surface them in the merchant Admin UI; un-pinned but heavily used definitions are a UX smell.
  • Duplicate keys across owner types are not always wrong (e.g., custom.notes on both ORDER and CUSTOMER may be intentional) but they almost always indicate copy-paste creation — review for consistency in type and validations.
  • Pair with a metafield-value sampling skill (per owner type) before any cleanup to confirm true zero usage; counts can lag in fresh stores.
  • Keep the CSV in version control alongside theme/app schema docs — the diff over time is the cleanest record of catalog-data evolution.

© 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/store-management/shopify-admin-metafield-definition-audit of 40RTY-ai/shopify-admin-skills.

Open the folder on GitHubat commit 6765cb4

Compare with similar skills

Shopify Admin Metafield Definition Audit 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 Metafield Definition Audit compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Shopify Admin Metafield Definition Audit this skill40RTY-ai/shopify-admin-skills194—~1.8kAutomated safety check: PassMIT
ShopifyShopify/Shopify-AI-Toolkit592—~4.2kAutomated safety check: PassMIT
E-commerce Visual Copywritingfeichanggege/ecommerce-visual-copywriting-skill867—~1.3kAutomated safety check: PassMIT
Reviewing Pull RequestsShopify/shopify-app-js541—~1.9kAutomated safety check: PassMIT
Better Designmarvkr/better-design254—~1.2kAutomated safety check: PassMIT
Liquid Theme A11ybenjaminsehl/liquid-skills120—~3.2kAutomated safety check: PassNone

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Works with

Questions about Shopify Admin Metafield Definition Audit

What does Shopify Admin Metafield Definition Audit do?

Read-only: enumerates every metafield definition across all owner types and flags unused, undocumented, or duplicate-key definitions. Shopify Admin Metafield Definition Audit is an agent skill from 40RTY-ai/shopify-admin-skills. Read-only: enumerates every metafield definition across all owner types and flags unused, undocumented, or duplicate-key definitions.

How do I install Shopify Admin Metafield Definition Audit in Claude Code?

Run `npx skills add 40RTY-ai/shopify-admin-skills --skill shopify-admin-metafield-definition-audit -a claude-code`. Or copy the skill folder (skills/store-management/shopify-admin-metafield-definition-audit in 40RTY-ai/shopify-admin-skills) into .claude/skills/shopify-admin-metafield-definition-audit in your project. Claude Code loads it when a task matches its description.

How do I install Shopify Admin Metafield Definition Audit in Codex?

Run `npx skills add 40RTY-ai/shopify-admin-skills --skill shopify-admin-metafield-definition-audit -a codex`. Or copy the skill folder (skills/store-management/shopify-admin-metafield-definition-audit in 40RTY-ai/shopify-admin-skills) into .agents/skills/shopify-admin-metafield-definition-audit in your project. Codex loads it when a task matches its description.

Can I use Shopify Admin Metafield Definition Audit 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-metafield-definition-audit -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-metafield-definition-audit, .gemini/skills/shopify-admin-metafield-definition-audit, .github/skills/shopify-admin-metafield-definition-audit and .opencode/skills/shopify-admin-metafield-definition-audit in your project.

What does Shopify Admin Metafield Definition Audit need to run?

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

Does Shopify Admin Metafield Definition Audit 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 Metafield Definition Audit 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 Metafield Definition Audit use?

Shopify Admin Metafield Definition Audit 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 Metafield Definition Audit use?

About 1.8k tokens (SKILL.md is roughly 7.1k 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 Metafield Definition Audit?

Skills that share tags, products or a category with Shopify Admin Metafield Definition Audit: Shopify (Shopify/Shopify-AI-Toolkit, 592 stars), E-commerce Visual Copywriting (feichanggege/ecommerce-visual-copywriting-skill, 867 stars), Reviewing Pull Requests (Shopify/shopify-app-js, 541 stars) and Better Design (marvkr/better-design, 254 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Shopify Admin Metafield Definition Audit?

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.