The

Name: The
Author: vtomilin

@vtomilin

リポジトリ

The について

MCP server to efficiently check all Mermaid diagram types for syntax errors

#ai #mcp #mcp-server #llm-mcp

基本情報

カテゴリ

その他

ライセンス

MIT license

ランタイム

node

トランスポート

stdio

公開者

vtomilin

設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "mermaider": {
      "command": "npx",
      "args": [
        "-y",
        "@vtomilin/mermaider",
        "<config>"
      ]
    }
  }
}

ツール

ツールは検出されませんでした

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is mermaider?

mermaider is an MCP server that provides a single validate_syntax tool to check all Mermaid diagram types for syntax errors. It uses puppeteer-core and an already installed Chrome-based or Firefox browser to run the official Mermaid.js API in a headless page. It is built for developers and LLMs that generate Mermaid diagrams and need fast, reliable syntax validation.

How to use mermaider?

Install and configure your MCP client to run npx -y @vtomilin/mermaider <config>, where <config> is either an inline JSON string or a path to a JSON configuration file containing the browser’s executablePath (and optionally "browser": "firefox"). The server opens a headless browser once and reuses it for all subsequent tool calls, keeping latency low. Examples are provided for VSCode, Cursor/Windsurf, and Bun (via global installation).

Key features of mermaider

Single validate_syntax tool for all Mermaid diagram types
Reuses a persistent headless browser instance for low latency
Uses puppeteer-core – no automatic browser download
Faster and more deterministic than mmdc-based validators
Supports Chrome-based and Firefox browsers

Use cases of mermaider

Validating

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