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Updated 5mo ago

by cheriftj

c4-model-skill

Interactive Claude Code skill for C4 architecture diagrams (Simon Brown's model) — mode-driven workflow with Mermaid / Structurizr / PlantUML output and filesystem or MCP (Notion / Linear / Drive) destinations.

Works with
  • Claude
View on GitHub (opens in a new tab)

43 GitHub stars (43)

+3 in 16 days

Stars gained per day · daily snapshots since Sep 30
Stars gained per day, Sep 30 to Oct 16: +3 in total; the busiest day was Oct 1 with +1 stars.Oct 1: +1 starsOct 2: +1 starsOct 3: +1 starsOct 4: 0 starsOct 5: 0 starsOct 6: 0 starsOct 7: 0 starsOct 8: 0 starsOct 9: 0 starsOct 10: 0 starsOct 11: 0 starsOct 12: 0 starsOct 13: 0 starsOct 14: 0 starsOct 15: 0 starsOct 16: 0 stars
Stars gained between daily snapshots
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  • 1 skill (1 skills found in its SKILL.md files)
  • 2 forks (2 forks)
  • 5mo ago last update (Last updated 5mo ago)

Install

Skills CLI

npx skills add cheriftj/c4-model-skill

Asks which agents to install it for. Add -g to install it for every project.

Claude Code

git clone https://github.com/cheriftj/c4-model-skillcp -r "c4-model-skill/skills/c4-model" ~/.claude/skills/

Copies the c4-model skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project).

Plugin

/plugin marketplace add cheriftj/c4-model-skill

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

  • c4-model

    Interactively co-build a software architecture using Simon Brown's C4 model (Context, Container, Component, Code). The skill detects the usage mode (greenfield design, retro-documenting from code or prose, review/explanation, update), runs a structured framing dialogue, proposes incremental drafts, and iterates until explicit user validation. Output format is negotiated (default Mermaid C4 + Mark…

    skills/c4-model/SKILL.md on GitHub (opens in a new tab)

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.