# fastmail-mcp

> fastmail-mcp — yuqi80920-fastmail-mcp. Use this tool when you need to integrate email, contacts, and calendar functionality into AI assistants, providing a bridge between Fastmail's JMAP API and AI systems. It solves problems of accessing and managing user data, enabling AI assistants to perform tasks such as sending emails and scheduling events. The tool accepts JMAP API inputs and outputs standardized data for AI processing, ideal for use cases involving automated email management and calendar organization.

Canonical page: https://skillsregistry.net/skills/yuqi80920-fastmail-mcp  
JSON: https://api.skillsregistry.net/v1/skills/yuqi80920-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):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Updated:** 2026-10-19

## Source

- **Source listing:** [GitHub](https://github.com/Yuqi80920/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": "yuqi80920-fastmail-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/yuqi80920-fastmail-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/yuqi80920-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