Is the mermaid-mcp-server MCP server actively maintained?

The mermaid-mcp-server MCP server was last committed 1y ago and has 5 contributors. Issue health: 40% of issues resolved. AgentRank freshness score reflects real-time maintenance activity.

mermaid-mcp-server MCP Server

Name: peng-shawn/mermaid-mcp-server
Rating: 3.0 (1 reviews)
Author: peng-shawn

peng-shawn/mermaid-mcp-server

Score: 49.9 Rank #18799 MCP Server

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A Model Context Protocol (MCP) server that converts Mermaid diagrams to PNG images

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Overview

peng-shawn/mermaid-mcp-server is a JavaScript MCP server licensed under MIT. A Model Context Protocol (MCP) server that converts Mermaid diagrams to PNG images

Ranked #18799 out of 24846 indexed tools.

Ecosystem

JavaScript MIT

Score Breakdown

Stars 15% 235

235 stars → growing community

Freshness 25% 1y ago

Last commit 1y ago → stale

Issue Health 25% 40%

4/10 issues closed → many open issues

Contributors 10% 5

5 contributors → small team

Dependents 25% 0

No dependents → no downstream usage

npm Downloads N/A

PyPI Downloads N/A

Forks 20

Description Good

License MIT

Weights: Freshness 20% · Issue Health 20% · Dependents 22% · Stars 10% · Contributors 8% · How we score →

How to Improve

Description low impact

Expand your description to 150+ characters for better discoverability

Freshness high impact

Last commit was 495 days ago — a recent commit would boost your freshness score

Issue Health high impact

You have 6 open vs 4 closed issues — triaging stale issues improves health

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Details

Stars: 235
Forks: 20
Open Issues: 6
Closed Issues: 4
Contributors: 5
Dependents: —
Language: JavaScript
License: MIT
Last Commit: 1y ago

Matched Queries

"mcp server""mcp-server""model context protocol""model-context-protocol"

From the README

# Mermaid MCP Server

A Model Context Protocol (MCP) server that converts Mermaid diagrams to PNG images or SVG files. This server allows AI assistants and other applications to generate visual diagrams from textual descriptions using the Mermaid markdown syntax.

## Features

- Converts Mermaid diagram code to PNG images or SVG files
- Supports multiple diagram themes (default, forest, dark, neutral)
- Customizable background colors
- Uses Puppeteer for high-quality headless browser rendering
- Implements the MCP protocol for seamless integration with AI assistants
- Flexible output options: return images/SVG directly or save to disk
- Error handling with detailed error messages

## How It Works

The server uses Puppeteer to launch a headless browser, render the Mermaid diagram to SVG, and optionally capture a screenshot of the rendered diagram. The process involves:

1. Launching a headless browser instance
2. Creating an HTML template with the Mermaid code
3. Loading the Mermaid.js

Read full README on GitHub →