Is Mermaid · hustcc safe and trustworthy?

tashan scores Mermaid · hustcc on public evidence — tashan score 46.0/100, it is currently abandoned, note: a single primary maintainer (bus-factor risk), no known advisories against the current release, it runs a script at install time, its declared dependencies reach: browser. Audit scope: OSV advisories, install-time scripts, build provenance and declared permission surface. We do not review source code or execute the capability.

How do I install Mermaid · hustcc?

In Claude Code: run `claude mcp add mermaid -- npx -y mcp-mermaid`. In Cursor / Claude Desktop, add it to mcp.json / claude_desktop_config.json.

‹ The Index

Mermaid · hustcc

npm

❤️ Generate mermaid diagram and chart with AI MCP dynamically.

Works with: Claude Code, Cursor, Claude Desktop, Codex CLI, Gemini CLI, Cline, Windsurf, VS Code (installable)
installable: each client documents how to load an MCP server of this type — that is the client's promise, not a claim verified against this capability

Category: Design — see all ranked ›

Work: Document production

Who it is for: Operations · Writer / content

Install (Claude Code):

claude mcp add mermaid -- npx -y mcp-mermaid

solid

“6 worked examples; short of deep on per-tool docs and a stated limitation and setup/auth”

This grade is wrong ›

Looking for a replacement? npx tashan-cli doctor is free and tells you everything above about your whole config. tashan Pro names the replacement — which one, and how it measures. $6/mo.

tashan score: 46.0
Instruction depth: 64.0 (solid — documents the job properly, with examples you could follow)
Adoption: 6.7k/wk
Upkeep: 49.0
Freshness: 51.0
Evidence coverage: 100% of the inputs this score can use
Health: abandoned
License: MIT

Security audit

Every finding is shown in full — which advisory, the version that fixes it, and the exact command run at install time. Nothing in this audit is behind a licence.

No known advisoriesclearchecked against OSV for 0.4.1 — this package, not its dependency tree

Runs a script at install timecodeplaywright install --with-deps chromium

Drives a browserfrom declared dependencies

Can carry remote content into your agentit can pull third-party text into the model's context — treat what it returns as untrusted input

No build provenanceno attestation — the published artifact cannot be traced to its source

What changed recently

2026-08-10 mcp-mermaid now reaches browser Its declared dependencies reach further into your machine than they did before.
2026-08-10 mcp-mermaid now runs a script when it installs Install-time code executes on your machine before you have used the tool once, and it did not do this before.
2026-08-14 mcp-mermaid now reads as abandoned, was active Upkeep signals stopped, under enough issue pressure that it is not merely finished.

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npx tashan-cli doctor

Reads the config already on your machine and names what is dead, deprecated or running code at install time. No account, nothing uploaded.

tashan Pro$6/mo

We recorded 3 changes to Mermaid · hustcc in the last 45 days. Pro tells you on the day — for the servers in your own config, not the ones you thought to look up.

Every score since we started measuring, for any capability
The named replacement when something you run is dying — not just that it is
tashan doctor over the config you already have, on your machine

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npm ↗ · source ↗ · pkg:mcp-mermaid

Already running this? npx tashan-cli doctor checks your whole config against the Index — how it works ›

Measured 2026-08-16 · scorer s5 · how · something wrong here?