Mermaid MCP Server

Enables agents to analyze codebases (local or GitHub) and automatically generate Mermaid diagrams rendered as PNG images via Kroki, providing visual understanding of project structure and flow through file discovery, reading, and diagram generation.

→ GittyBurstein/mermaid-mcp-server · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: GITHUB_TOKEN

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

🔐 secretGITHUB_TOKEN— Recommended to avoid GitHub rate limits; if set, adds an Authorization header src/clients/github/client.py

configPROJECT_ROOT— Safe local access boundary: local reads are restricted to .

configKROKI_BASE_URL— e =https://kroki.io \

configDIAGRAM_OUT_DIR— Configurable limits: control max file size (MAX_FILE_CHARS) and output directory ().

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/gittyburstein-mermaid-mcp-server-r08lpx)](https://m8ven.ai/mcp/gittyburstein-mermaid-mcp-server-r08lpx)

commit: 8f99a35bee2004f759b8f2de97e9b415778fb98a

code hash: 03a99952d8a77e7046c8fdcaf1d74f41d8d89a5dff36455854e4f56735459db2

verified: 6/18/2026, 11:48:51 AM

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