# Cqrs

> CQRS (Command Query Responsibility Segregation)

- Skill: `neuralblitz/cqrs-2` (Agent Skill)
- Install (CLI): `npx skillmds@latest add neuralblitz/cqrs-2`
- Raw SKILL.md: https://api.skillmd.com/api/skills/neuralblitz/cqrs-2/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: NeuralBlitz (https://skillmd.com/u/neuralblitz)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/neuralblitz/cqrs-2

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# CQRS (Command Query Responsibility Segregation)

CQRS is a pattern that separates read and write operations into different models. It optimizes for the different requirements of queries and commands in complex domains.

## Key Concepts

- Command model (write)
- Query model (read)
- Event sourcing integration
- Separate data stores
- Eventually consistent reads

## Common Use Cases

- Complex domains
- High-throughput systems
- Event-driven architectures
- Read-heavy applications
- Distributed systems

## Best Practices

- Don't use blindly
- Keep commands simple
- Design read models for queries
- Handle eventual consistency
- Consider eventual complexity

## Resources

- Martin Fowler: martinfowler.com/bliki/CQRS.html
- Related Skills: event-sourcing, microservices, domain-driven-design