🧪 Event Sourcing
This skill enforces event sourcing in hzl by routing all state changes through EventStore.append and deriving projections for read-only queries.
npx playbooks add skill tmchow/hzl --skill event-sourcing
About Event Sourcing
This skill enforces event sourcing in hzl by routing all state changes through EventStore.append and deriving projections for read-only queries.
The 20-word prompt provides structured testing & qa guidance — covering detailed methodology and consistent output formats. Install it in one command.
Use Cases
- Writing unit, integration, and end-to-end tests
- Setting up test coverage and CI pipelines
- Refactoring legacy code with confidence using tests
- Creating test plans and QA checklists
Example Prompts
System Prompt (20 words)
This skill enforces event sourcing in hzl by routing all state changes through EventStore.append and deriving projections for read-only queries.
Frequently Asked Questions
What is Event Sourcing?
Event Sourcing is a free testing & qa skill for AI coding agents. This skill enforces event sourcing in hzl by routing all state changes through EventStore.append and deriving projections for read-only queries.. It provides a specialized system prompt that configures your agent with testing & qa expertise.
How do I use Event Sourcing with Claude Code?
Run npx playbooks add skill tmchow/hzl --skill event-sourcing in your terminal to install Event Sourcing into your Claude Code session. It works immediately after installation.
Which AI coding agents work with Event Sourcing?
Event Sourcing is compatible with Claude Code, Cursor, GitHub Copilot, Windsurf, OpenClaw, Cline, and any AI agent that supports custom system prompts or .cursorrules files.
Is Event Sourcing free to use?
Yes, Event Sourcing is completely free and open source. The full source is available on GitHub at https://github.com/tmchow/hzl/tree/main/.claude/skills/event-sourcing. You only need a subscription to the AI agent you use it with.
