# Mermaid

> Use this tool when you need to generate diagrams and visualizations through natural language conversations with AI assistants. It solves the problem of creating flowcharts, sequence diagrams, and other visualizations securely and efficiently, taking natural language inputs and producing mermaid diagrams as outputs. Ideal for use cases where visual representation is necessary, such as explaining complex processes or systems, directly within AI-powered conversations.

Canonical page: https://skillsregistry.net/skills/longjianjiang-mermaid  
JSON: https://api.skillsregistry.net/v1/skills/longjianjiang-mermaid

## Description

Mermaid MCP Server provides a bridge between AI assistants and mermaid.js for generating diagrams and visualizations through natural language. Built with Python using FastMCP, it exposes tools for generating mermaid diagrams securely while maintaining full compliance with the MCP 1.0 specification. The implementation is optimized for performance and scalability, making it valuable for users who need to create flowcharts, sequence diagrams, and other visualizations directly through their AI assistant conversations.

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-04-25

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/longjianjiang-mermaid)
- **Repository:** <https://github.com/longjianjiang/mermaid-mcp-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "longjianjiang-mermaid"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/longjianjiang-mermaid` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/longjianjiang-mermaid/pull`

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