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c4-context

Expert C4 Context-level documentation specialist. Creates high-level system context diagrams, documents personas, user journeys, system features, and external dependencies.

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Long-form deep dives where this skill is referenced or applied. Skim the article, then come back here to install.

ArticleArchitecting AI Products — First PrinciplesAI systems fail differently from normal software: they're non-deterministic, costly per call, and hard to test. The architecture has to account for all three.
ArticleSingle Agent vs. Multi-Agent — Choosing a TopologyMulti-agent is fashionable and usually premature. Here is how to decide honestly — and why most products should start with one well-equipped agent.
ArticleOrchestration Patterns — Pipelines, Routers, SwarmsOnce you have multiple steps or agents, how they're wired together decides cost, latency and reliability. Four patterns cover almost everything.
ArticleContext & Memory ArchitectureThe context window is your most expensive, most contested resource. What you put in it — and what you remember between calls — is an architectural decision.

c4-context

The 1,441 skills, demystified in one PDF.

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