magento-api

magento-api is a skill for Claude Code from OrcaQubits/agentic-commerce-skills-plugins. It costs 49 tokens per session (837 once invoked), scanned A, original, MIT.

A guide to creating REST and GraphQL APIs in Magento 2. APIs are interfaces that let other software read data or perform actions in a store; REST and GraphQL are two common ways to design them.

In plain words
What is it for?
Use it to add REST endpoints, extend GraphQL, set up access control, and integrate external systems.
Why use it?
It helps define endpoints, authentication, permissions, and GraphQL schemas in Magento's expected format. This removes guesswork when connecting a store to an app or external service.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Part of the magento2-commerce plugin — 19 skills, 1 agent shipped together

Good fit Use it to add REST endpoints, extend GraphQL, set up access control, and integrate external systems.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/orcaqubits/agentic-commerce-skills-plugins/magento-api
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add OrcaQubits/agentic-commerce-skills-plugins --skill magento-api
Clone the repo
git clone --depth 1 https://github.com/OrcaQubits/agentic-commerce-skills-plugins

Made for: Claude Code.

Or install magento2-commerce, the plugin that ships this one along with the rest of its 19 skills, 1 agent.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for magento-api

README.md
[![agentmods](https://agentmods.dev/badge/skills/orcaqubits/agentic-commerce-skills-plugins/magento-api/github.svg)](https://agentmods.dev/skills/orcaqubits/agentic-commerce-skills-plugins/magento-api)
Your own site
<a href="https://agentmods.dev/skills/orcaqubits/agentic-commerce-skills-plugins/magento-api"><img src="https://agentmods.dev/badge/skills/orcaqubits/agentic-commerce-skills-plugins/magento-api/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for magento-api

Your own site · 80×15
<a href="https://agentmods.dev/skills/orcaqubits/agentic-commerce-skills-plugins/magento-api"><img src="https://agentmods.dev/badge/skills/orcaqubits/agentic-commerce-skills-plugins/magento-api.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 49 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 837 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00049 $0.00837
Opus 5 $0.00024 $0.00418
Sonnet 5 $0.00010 $0.00167
Haiku 4.5 $0.00005 $0.00084

Measured 3d ago against content hash 0eca55bdb5f8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-17, from the pricing page.

Security

Grade A, and why

magento-api scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

magento2-commerce/skills/magento-api/SKILL.md · 97 lines

How it starts

The opening of the file, as written. The whole thing — 97 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Magento 2 REST & GraphQL API Development

Before writing code

Fetch live docs:

  1. Fetch https://developer.adobe.com/commerce/webapi/ for Web API overview
  2. Fetch https://developer.adobe.com/commerce/webapi/graphql/develop/ for GraphQL development guide
  3. Fetch https://developer.adobe.com/commerce/webapi/get-started/ for authentication
  4. Web-search site:developer.adobe.com commerce php development components web-api for webapi.xml reference

REST API

How It Works

REST endpoints map HTTP methods + URL paths to service contract methods. Defined in etc/webapi.xml.

webapi.xml Structure

Each route defines:

  • url — endpoint path (e.g., /V1/custom/items/:id)
  • method — HTTP method (GET, POST, PUT, DELETE)
  • service — class + method implementing the endpoint
  • resource — ACL resource for authorization

Path parameters (:id) map to method parameters by name.

Authentication Types

Type Header Use Case
Admin Token Authorization: Bearer <token> Back-office integrations
Customer Token Authorization: Bearer <token> Customer-facing apps
OAuth 1.0a OAuth headers Third-party integrations
Session PHP session cookie Storefront JS widgets
Anonymous resource="anonymous" Public endpoints

Swagger/OpenAPI

Available at /rest/<store>/schema — auto-generated from webapi.xml and service contracts.

GraphQL API

How It Works

GraphQL uses a single endpoint (/graphql) with schema files and resolver classes.

Schema Files (schema.graphqls)

Define types, queries, and mutations in etc/schema.graphqls:

  • Custom types with fields
  • Query definitions mapping to resolver classes
  • Mutation definitions with input/output types
  • Extend existing types with new fields

Resolver Classes

Implement Magento\Framework\GraphQl\Query\ResolverInterface:

  • resolve(Field $field, $context, ResolveInfo $info, array $value = null, array $args = null)
  • Return arrays matching the GraphQL type definition
  • Context provides store, customer, and extension attributes

Read the full file on GitHub · 97 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 97 lines · 49 tokens per session scan A 0eca55bdb5f8

Subscribe to this mod's changes

magento-api is a skill published in the GitHub repository OrcaQubits/agentic-commerce-skills-plugins (39 stars, last pushed 3d ago), licensed MIT. It adds 49 tokens to every session and 837 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-15.

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