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system-design

Skill1 starsChanged 5 months agoMITView on GitHub

Invoke when designing system architecture or technical approach. "how should I structure", "design a system for", "architecture for", "system design", "technical design". SDLC categories: Software Design, Requirement Engineering.

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SKILL.md

System Design Skill

  1. Requirements extraction — Scale, constraints, non-functional
  2. Component identification — 5-7 components max. Each: name + responsibility + interface
  3. Data flow — Mermaid diagram showing protocol + data shape + direction
  4. Failure analysis — What happens when each component fails? Top 3 failure modes
  5. Decision log — Options considered vs chosen, with one-line reason per decision
  6. Scale path — What breaks at 10x load? First bottleneck?

Patterns: CQRS, Event Sourcing, Hexagonal, BFF, Saga, Repository, Feature Flags, Strangler Fig, Modular Monolith, Vertical Slice, DDD, Circuit Breaker, Outbox.

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