fastmail-mcp

Unified MCP server for Fastmail email (JMAP), calendar (CalDAV), and contacts (CardDAV). Enables sending emails, managing events, and syncing contacts through natural language.

→ adinschmidt/fastmail-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.

✅

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.

configFASTMAIL_DAV_USERNAME— (if your DAV username differs from FASTMAIL_USERNAME)

configFASTMAIL_ORGANIZER_EMAIL— (override ORGANIZER email used when generating events)

configFASTMAIL_USERNAME— (your Fastmail login / email)

// 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 6 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/adinschmidt-fastmail-mcp-1rw8iu)](https://m8ven.ai/mcp/adinschmidt-fastmail-mcp-1rw8iu)

commit: 7ba99824ce852cf608c627b94ce1ce4361225c5b

code hash: 17fee919160fcdf10dbcd30d381e683008e14a685530bb8b60b38277074e5148

verified: 6/22/2026, 1:07:50 PM

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