mailsink

MailSink is an MCP server for temporary, TTL-based email inboxes.

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// key findings

⚠️

Known vulnerabilities in dependencies: 2 high

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

✅

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: MAILSINK_API_KEY

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.

🔐 secretMAILSINK_API_KEY— export ="msk_..."

configMAILSINK_API_URL— (optional, default https://api.mailsink.dev) —

// 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 7 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/heocoi-mailsink-mcp-91trhx)](https://m8ven.ai/mcp/heocoi-mailsink-mcp-91trhx)

commit: a66e501652982c922058f14a0eb303d64100fa72

code hash: 1cb6eff369707f6e88d176aa2a41ba779e2d4b7089f044f40eb9a48bee5e28c3

verified: 6/10/2026, 10:52:34 AM

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