Fastmail MCP Server

Enables AI assistants to securely access and search Fastmail emails via the JMAP API. Supports searching emails, retrieving full email content, and listing mailboxes with read-only access using Fastmail API tokens.

→ NOVA-3951/Fastmail-MCP · listed on glama

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Glama

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// key findings

✅

6 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.

🔐

You'll be asked for 5 credentials: FASTMAIL_API_TOKEN, fastmail_api_token, CONFIG_FASTMAIL_API_TOKEN, SMITHERY_FASTMAIL_API_TOKEN, MCP_FASTMAIL_API_TOKEN

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.

🔐 secretFASTMAIL_API_TOKEN— your_actual_token_here

configfastmailApiToken

🔐 secretfastmail_api_token

configPORT

configHOST

🔐 secretCONFIG_FASTMAIL_API_TOKEN

configCONFIG_fastmailApiToken

🔐 secretSMITHERY_FASTMAIL_API_TOKEN

configSMITHERY_fastmailApiToken

🔐 secretMCP_FASTMAIL_API_TOKEN

configMCP_fastmailApiToken

// 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/nova-3951-fastmail-mcp-1bo5xy)](https://m8ven.ai/mcp/nova-3951-fastmail-mcp-1bo5xy)

commit: 958429321b8552b770d1c8af4d182f7033d1c3fe

code hash: a6245db1717768240d71a6370de6d797229a40a8fe231ebfa1fdb8aab13f7364

verified: 6/17/2026, 12:37:06 PM

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