Is the Mermaid Skill skill free?

Yes. The skill itself is free from Agents365-ai/mermaid-skill. SkillProof publishes the install command and an independent test verdict at no cost.

Does Mermaid Skill work with Claude Code?

It is in our test queue — we run every skill on real work before issuing a verdict, and this one is scheduled.

How do I install Mermaid Skill?

Copy the install command from this page, run it in your terminal, and restart Claude Code. Skills live in ~/.claude/skills/ (global) or .claude/skills/ inside a project.

Can I use Mermaid Skill with Cursor, Copilot, Gemini CLI, Codex or other AI tools?

The SKILL.md format is native to Claude (Claude Code, Desktop, claude.ai). The instructions inside adapt to other assistants: Cursor rules, GitHub Copilot instructions, Windsurf rules, Custom GPTs, AGENTS.md for OpenAI Codex, and GEMINI.md for Google Gemini CLI — our conversion guides cover each, and the free converter on the tools page does the wrapping for you.

Mermaid Skill

Generate Mermaid diagrams and export them to PNG, SVG, or PDF.

by Agents365-ai · Agents365-ai/mermaid-skill

In test queue

Install — copy the command Download source ↗

Test report

Verdict: In test queue
Tested: —
Environment: Pending

In the test queue — machine-screened (validator 85/100, 118★ repo), full install/trigger/output test scheduled.

What Mermaid Skill does

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…

How to install Mermaid Skill

git clone https://github.com/Agents365-ai/mermaid-skill
cp -r mermaid-skill/skills/mermaid-skill ~/.claude/skills/mermaid-skill

Skills live in ~/.claude/skills/ (global) or .claude/skills/ (per-project). Restart Claude Code after installing.

Commands — how to trigger Mermaid Skill

/mermaid-skill Generate Mermaid diagrams and export them to PNG, SVG, or PDF.

It also activates on plain-language prompts like these:

Draw a sequence diagram for this login flow
Create an ER diagram for this database schema
Export this architecture flowchart as a PNG

Frequently asked questions

Is the Mermaid Skill skill free?: Yes. The skill itself is free from Agents365-ai/mermaid-skill. SkillProof publishes the install command and an independent test verdict at no cost.
Does Mermaid Skill work with Claude Code?: It is in our test queue — we run every skill on real work before issuing a verdict, and this one is scheduled.
How do I install Mermaid Skill?: Copy the install command from this page, run it in your terminal, and restart Claude Code. Skills live in ~/.claude/skills/ (global) or .claude/skills/ inside a project.
Can I use Mermaid Skill with Cursor, Copilot, Gemini CLI, Codex or other AI tools?: The SKILL.md format is native to Claude (Claude Code, Desktop, claude.ai). The instructions inside adapt to other assistants: Cursor rules, GitHub Copilot instructions, Windsurf rules, Custom GPTs, AGENTS.md for OpenAI Codex, and GEMINI.md for Google Gemini CLI — our conversion guides cover each, and the free converter on the tools page does the wrapping for you.