multi-mail-mcp

Local-first MCP server for agents that need to work across multiple Gmail and Microsoft 365 accounts without cloud token storage.

→ claygeo/multi-mail-mcp · 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.

🔐

You'll be asked for 1 credential: MAILMCP_MASTER_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.

configMAILMCP_HOME

🔐 secretMAILMCP_MASTER_KEY— The vault key is generated locally as master.key, or derived from if set.

configXDG_CONFIG_HOME

// 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 5 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/claygeo-multi-mail-mcp-1l280w)](https://m8ven.ai/mcp/claygeo-multi-mail-mcp-1l280w)

commit: 80095631c3a5b74192befe33b585529be37a8ff3

code hash: ca5e91d2bc0fc5ed7cfcaab1591c9770577399e45b85ea3eb862507952dc94c4

verified: 6/13/2026, 9:54:12 AM

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