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ClaudSkills / Engineering / architecture

creating-mermaid-diagrams

Category: Engineering  ·  Sub-category: architecture  ·  Last updated:
Generate Mermaid diagrams (.mmd) and export to PNG/SVG/PDF using mmdc CLI or Kroki API. USE THIS SKILL when user mentions diagram, flowchart, sequence diagram, class diagram, ER diagram, state machine, architecture, visualize, git graph, 画图, 架构图, 流程图, 时序图. PROACTIVELY USE when explaining ANY system with 3+ components, API flows, authentication sequences, class hierarchies, database schemas, or state machines. Supports 11+ diagram types with fully automatic layout.

From the source SKILL.md

Generate .mmd text files and export to PNG/SVG/PDF using mmdc (local) or Kroki API (no install).

What this skill does

creating-mermaid-diagrams is a community-contributed Claude Code skill in the architecture sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/mermaid-skill/ and loads when your prompt matches the skill's trigger.

When to invoke it: USE when explaining ANY system with 3+ components, API flows, authentication sequences, class hierarchies, database schemas, or state machines. Supports 11+ diagram types with fully automatic layout.

Who uses this skill

The creating-mermaid-diagrams Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 69,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

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

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

Skills live at ~/.claude/skills/mermaid-skill/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\mermaid-skill\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.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Attribution & license

More Engineering skills

Browse all Engineering skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Engineering skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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