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version: 4.1.0-fractal name: event-store-design description: Design and implement event stores for event-sourced systems. Use when building event sourcing infrastructure, choosing event store technologies, or implementing event persistence patterns.

Event Store Design

Comprehensive guide to designing event stores for event-sourced applications.

Do not use this skill when

• The task is unrelated to event store design
• You need a different domain or tool outside this scope

Instructions

• Clarify goals, constraints, and required inputs.
• Apply relevant best practices and validate outcomes.
• Provide actionable steps and verification.
• If detailed examples are required, open resources/implementation-playbook.md.

Use this skill when

• Designing event sourcing infrastructure
• Choosing between event store technologies
• Implementing custom event stores
• Optimizing event storage and retrieval
• Setting up event store schemas
• Planning for event store scaling

Core Concepts

🧠 Knowledge Modules (Fractal Skills)

1. 1. Event Store Architecture

2. 2. Event Store Requirements

3. Template 1: PostgreSQL Event Store Schema

4. Template 2: Python Event Store Implementation

5. Template 3: EventStoreDB Usage

6. Template 4: DynamoDB Event Store

7. Do's

8. Don'ts