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Projection patterns

Skill sickn33/agentic-awesome-skills/plugins/agentic-awesome-skills-claude/skills/projection-patterns

Build read models and projections from event streams. Use when implementing CQRS read sides, building materialized views, or optimizing query performance in event-sourced systems.From its SKILL.md

Install
npx -y skills add sickn33/agentic-awesome-skills --skill projection-patterns

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SKILL.md

1.4 KB, 223 tokens by cl100k_base, as published. Nobody here has run it

Projection Patterns

Comprehensive guide to building projections and read models for event-sourced systems.

Use this skill when

  • Building CQRS read models
  • Creating materialized views from events
  • Optimizing query performance
  • Implementing real-time dashboards
  • Building search indexes from events
  • Aggregating data across streams

Do not use this skill when

  • The task is unrelated to projection patterns
  • 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.

Resources

  • resources/implementation-playbook.md for detailed patterns and examples.

Limitations

  • Use this skill only when the task clearly matches the scope described above.
  • Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
  • Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.

What ships with it: 1 file

16.8 KB alongside SKILL.md

resources/

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