mailsnail

An open-source MCP server for sending physical mail (letters, postcards, certified mail) directly from AI agents, with per-piece payment and no account signup needed.

→ iancollins27/mailsnail · 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.

// required environment variables

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

configMAIL_ALLOW_LIVE

configMAIL_API_ALLOW_LIVE

configMAIL_MCP_ALLOW_LIVE— Dry-run by default everywhere; live mail requires an explicit =1.

configMAIL_MCP_SPEND_CAP_USD

configPORT

configPUBLIC_BASE_URL

// 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 3 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/iancollins27-mailsnail-13p0op)](https://m8ven.ai/mcp/iancollins27-mailsnail-13p0op)

commit: 00b59c005748f5afaaaeb18891b12c48d5008925

code hash: 6ae3ddd6d2889bcc09e9c0e1fc78087c785cb98137c002714deae22a45ecf030

verified: 7/4/2026, 9:09:59 AM

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