No red flags found in any of the 11 categories — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →
by veelenga · MCP Server · ★ 205
Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h
🔒 Is claude-mermaid safe to install? View the security audit →
Claude Mermaid MCP Server MCP server for rendering Mermaid diagrams in Claude Code with live reload functionality and a built-in skill for expert guidance. Automatically renders diagrams in your browser with real-time updates as you refine them. Perfect for iterative diagram development and documentation workflows. ✨ Features 🔄 Live Reload - Diagrams auto-refresh in your browser as you edit 🎨 Multiple Save Formats - Export to SVG, PNG, or PDF 🌈 Themes - Choose from default, forest, dark, or neutral themes 📐 Customizable - Control dimensions, scale, and background colors 🪄 Interactive Preview - Pan diagrams by dragging, zoom with browser controls, reset position with one click ⬇️ Browser Export - Download diagrams as SVG or PNG directly from the preview 🗂️ Multiple Previews - Use to work on multiple diagrams simultaneously 💾 Persistent Working Files - Live previews are stored under 🤖 Built-in Skill - Includes a Claude skill with best practices and expert guidance for creating diagrams Architecture Project Architecture Diagram User Workflow Diagram  that allows Claude Desktop and other AI tools (Claude Code, Cursor, Antigravity
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claude-mermaid is MCP Server to previewing mermaid diagrams with live reload. It is categorized as a MCP Server with 205 GitHub stars.
claude-mermaid is primarily written in TypeScript. It covers topics such as claude-code, mcp-server.
You can find installation instructions and usage details in the claude-mermaid GitHub repository at github.com/veelenga/claude-mermaid. The project has 205 stars and 23 forks, indicating an active community.
claude-mermaid is released under the MIT license, making it free to use and modify according to the license terms.
The top alternatives to claude-mermaid on Agent Skills Hub include cclsp, claude-talk-to-figma-mcp, Overture. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.
Grades come from a rule-based scan built on the SlowMist agent-security taxonomy, covering 11 red-flag categories including credential harvesting, data exfiltration, and curl | sh installers. It is a first-layer scan, not a manual audit — we say so rather than overstate it.
The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.
Sources & who's responsible: