Diagramming Code

Quality score: 70/100 · Category: Security · Sub-category: security-misc

Generates Mermaid diagrams from Trailmark code graphs. Produces call graphs, class hierarchies, module dependency maps, containment diagrams, complexity heatmaps, and attack surface data flow visualizations. Use when visualizing code architecture, drawing call graphs, generating class diagrams, creating dependency maps, producing complexity heatmaps, or visualizing data flow and attack surface paths as Mermaid diagrams.

What this skill does

Diagramming Code is a production-ready Claude Code skill (quality score 70/100) in the security-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/diagramming-code/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when visualizing code architecture, drawing call graphs, generating class diagrams, creating dependency maps, producing complexity heatmaps, or visualizing data flow and attack surface paths as Mermaid diagrams.

Who uses this skill

The Diagramming Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/diagramming-code
curl -L https://claudskills.com/skills/diagramming-code/SKILL.md \
  -o ~/.claude/skills/diagramming-code/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/diagramming-code/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/diagramming-code/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\diagramming-code\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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