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c4-methodology

100 / 100 · Low risk

Fine to try.

By leaderiop/SpecForge (GitHub) · coding · 42 stars · scanned at commit ffa1fa6

C4 model methodology for software architecture documentation. Use when deciding which C4 diagram level to create, when scoping architecture diagrams by audience, when ensuring cross-level consistency between C4 diagrams, when extracting architecture from a TypeScript monorepo into C4 abstractions, when mapping hexagonal architecture layers to C4 vocabulary, or when reviewing C4 diagrams for correctness. Use when a user asks about C4 modeling concepts, abstraction levels, element types, or diagr…

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'c4-methodology' ] || [ -L ~/.agents/skills/'c4-methodology' ]; then echo 'A skill folder named c4-methodology already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/leaderiop/SpecForge' "$d" && git -C "$d" checkout --quiet 'ffa1fa60cbd1274c84bf59cb9dee7ada82a4ceb8' -- '.claude/skills/c4-methodology' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/c4-methodology' ~/.agents/skills/'c4-methodology' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'c4-methodology' ~/.claude/skills/'c4-methodology' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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