39 lines
1.2 KiB
Markdown
39 lines
1.2 KiB
Markdown
---
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name: cqrs-implementation
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description: "Implement Command Query Responsibility Segregation for scalable architectures. Use when separating read and write models, optimizing query performance, or building event-sourced systems."
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risk: unknown
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source: community
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date_added: "2026-02-27"
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---
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# CQRS Implementation
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Comprehensive guide to implementing CQRS (Command Query Responsibility Segregation) patterns.
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## Use this skill when
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- Separating read and write concerns
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- Scaling reads independently from writes
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- Building event-sourced systems
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- Optimizing complex query scenarios
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- Different read/write data models are needed
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- High-performance reporting is required
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## Do not use this skill when
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- The domain is simple and CRUD is sufficient
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- You cannot operate separate read/write models
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- Strong immediate consistency is required everywhere
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## Instructions
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- Identify read/write workloads and consistency needs.
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- Define command and query models with clear boundaries.
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- Implement read model projections and synchronization.
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- Validate performance, recovery, and failure modes.
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- If detailed patterns are required, open `resources/implementation-playbook.md`.
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## Resources
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- `resources/implementation-playbook.md` for detailed CQRS patterns and templates.
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