# fastmail-mcp

> fastmail-mcp — madllama25-fastmail-mcp. Use this tool when you need to integrate AI assistants with email, contacts, and calendar data, enabling seamless interactions and automations. It provides access to the Fastmail API through a Model Context Protocol (MCP) server, accepting API requests as input and returning relevant data as output. Ideal for use cases requiring email and calendar management, such as scheduling and contact management automation.

Canonical page: https://skillsregistry.net/skills/madllama25-fastmail-mcp  
JSON: https://api.skillsregistry.net/v1/skills/madllama25-fastmail-mcp

## Description

Unofficial MCP server for the Fastmail JMAP API — email, contacts, and calendar tools for AI assistants. Not affiliated with Fastmail. Includes a DXT for Claude Desktop.

## Trust

- **Trust score (0–1):** 0.95
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** communication
- **Updated:** 2026-09-27

## Source

- **Source listing:** [GitHub](https://github.com/MadLlama25/fastmail-mcp)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "madllama25-fastmail-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/madllama25-fastmail-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/madllama25-fastmail-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt