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veelenga/claude-mermaid

MCP Server to previewing mermaid diagrams with live reload

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Our verdict

Not reviewed yet

We have not reviewed veelenga/claude-mermaid yet

No one at Enterprise DNA has checked this listing against its sources. The description comes from public listings gathered automatically. Any fact below shows where it came from and when it was last checked.

How we review records

From the listing

About veelenga/claude-mermaid

This tool is an MCP server that allows AI assistants to preview Mermaid diagrams with live reload. It serves Mermaid diagram source and renders them for real-time visualization during chat sessions.

Best for

Developers who want real-time Mermaid diagram previews inside an AI assistant

Use cases

  • Viewing Mermaid diagrams in AI chat sessions
  • Iterating on diagram designs with live updates
  • Integrating diagram previews into AI-powered coding workflows

Notes

154 stars on GitHub. Last updated 2026-05-28. Licensed MIT.

Pros

  • Live reload updates diagrams instantly as code changes
  • Works with Mermaid's standard syntax without extra configuration
  • Lightweight TypeScript implementation easy to extend

Cons

  • Requires an MCP-compatible client like Claude Desktop
  • Only supports Mermaid diagram format
  • Limited to diagram preview; no editing or export features

Key facts

What we have checked

Not checked yet. Dated facts such as prices, releases and repository activity appear here once we have confirmed them from a source.

How to use

How to set it up

As the listing publishes it. We have not run this install.

Install

npm install -g claude-mermaid

Tools exposed

  • mermaid_preview
  • mermaid_save

Clients the listing names (not checked here)

Claude Code, Codex, Cursor, VSCode with Cline, Windsurf, Gemini CLI

Example client config

{
  "mcpServers": {
    "mermaid": {
      "command": "claude-mermaid"
    }
  }
}

Install

Add veelenga/claude-mermaid to your client

Not verified yet

No install recipe yet. We write one for Claude Code, Claude Desktop, Cursor, VS Code, Codex and ChatGPT when the server is in the official MCP registry with a package or remote address we can use.

Until then, follow the project's own README, or the setup the listing publishes under How to set it up.

Works with

What veelenga/claude-mermaid connects to

No confirmed connections yet. A product appears here when the server's registry name, repo, homepage or name ties it to that product, and a client appears when we have an install recipe for it.

Health and security

Is veelenga/claude-mermaid looked after, and what do its setup files show

Security check static checks

100 out of 100

Reads what is published about the server: package advisories, licence, secrets in the documented setup and tool permissions. Nothing is installed or run, so this is not a security assessment. Checked by edna-static-v1 npm:claude-mermaid@1.7.0. What it checks

Licence: MIT

  • Note The lab has not recorded this server's tool list yet, so tool permissions were not checked.

Sources

Where this comes from

No sources recorded yet. Each source we check is listed here with the date we checked it.

A source shows what was published when we checked it. It does not certify security, performance or a working installation. Read our method.

Changelog

What changed

No changes recorded yet. Releases, price changes and deprecations appear here, with their dates, once we track them for this record.

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