HackMD

Item: HackMD
Rating: 60
Author: M8ven

A Model Context Protocol server for integrating HackMD's note-taking platform with AI assistants.

→ yuna0x0/hackmd-mcp · listed on mcp_so

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

12 tools verified — handlers match their declared behaviour

6 read-only tools verified — handlers contain no write/delete/exec

✅

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: HACKMD_API_TOKEN

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

// known CVEs in dependencies3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.23.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.23.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.23.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

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

configALLOWED_HACKMD_API_URLS

configCORS_ORIGIN

🔐 secretHACKMD_API_TOKEN— "": "your_api_token"

configHACKMD_API_URL— You may also optionally set the environment variable if you need to use a different HackMD API endpoint.

configPORT— This will start the server on port 8081 by default. You can change the port by setting the environment variable.

configTRANSPORT

// 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/yuna0x0-hackmd-mcp-vhdclu)](https://m8ven.ai/mcp/yuna0x0-hackmd-mcp-vhdclu)

commit: 7192414a94c81489c7a0df1e3e9e9573d37f9c8d

code hash: 035a8e4caa46740e2617b5ba906b1a743352958e7b7f74f5fbf797f2567060c5

verified: 7/3/2026, 9:54:14 AM

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