/system

API — System — 2 abstractions. System installation event handlers and use cases.

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webiny@webiny

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webiny-js

8k76 skills3 MCP

Install

$ npx -y skills add webiny/webiny-js --skill system --agent claude-code

How it fires

How this skill gets triggered: by you, by Claude, or both.

Fires itselfAuto-invocation. Claude auto-loads it when your prompt matches the work.
You can call itInvoke it directly when you want it.
Slash command/system

Context preview

The summary Claude sees to decide when to auto-load this skill.

API — System — 2 abstractions. System installation event handlers and use cases.

SKILL.md

system.SKILL.md

name: webiny-api-system-catalog
description: >
  API — System — 2 abstractions.
  System installation event handlers and use cases.

API — System

System installation event handlers and use cases.

How to Use

1. Find the abstraction you need below 2. You MUST read the source file to get the exact interface and types! 3. Import: `import { Name } from "<importPath>";` 4. See `webiny-use-case-pattern` or `webiny-event-handler-pattern` skills for implementation patterns

Abstractions

---

**Name:** `InstallSystemUseCase` **Import:** `import { InstallSystemUseCase } from "webiny/api/system"` **Source:** `@webiny/api-core/features/system/InstallSystem/index.ts` **Description:** Run system-wide installation.

---

**Name:** `SystemInstalledEventHandler` **Import:** `import { SystemInstalledEventHandler } from "webiny/api/system"` **Source:** `@webiny/api-core/features/system/InstallSystem/index.ts` **Description:** Hook into system lifecycle after the system is installed.

---

Read it on GitHub ↗

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Open-source content platform. Self-hosted on AWS serverless. Built as a TypeScript framework you extend with code, not a closed product you configure through a UI. Runs on Lambda, DynamoDB, S3, and CloudFront inside your own AWS account. Scales automatically.

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