Create, validate, and troubleshoot Mermaid.js diagrams. Use when generating flowcharts, sequence diagrams, class diagrams, ER diagrams, Gantt charts, state diagrams, or any visualization. Handles diagram validation, syntax errors, broken diagrams, and automatic repair.
Install
npx skills add rp1-run/rp1 --skill mermaidnpx skills add rp1-run/rp1 --skill mermaid -a claude-code -gnpx skills add rp1-run/rp1 --skill mermaid -a codex -ggemini skills install https://github.com/rp1-run/rp1.git --path plugins/base/skills/mermaidgh skill install rp1-run/rp1 mermaidgit clone --depth 1 https://github.com/rp1-run/rp1 /tmp/rp1-run__rp1
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/rp1-run__rp1/plugins/base/skills/mermaid ~/.claude/skills/mermaid # Claude Code
cp -R /tmp/rp1-run__rp1/plugins/base/skills/mermaid ~/.agents/skills/mermaid # Codex, Cursor, Gemini CLI, Copilot, OpenCode