# Fastmail JMAP

> Use this tool when you need to manage and interact with Fastmail accounts programmatically, solving problems such as automating email operations, synchronizing contacts and calendars, and performing bulk actions. It provides a comprehensive interface with 38 tools, accepting Fastmail API tokens as input and connecting to configurable JMAP endpoints to produce outputs such as mailbox data and synchronization results. Ideal for use cases requiring automated email and calendar management, administrative tasks, and integration with other applications.

Canonical page: https://skillsregistry.net/skills/as-j-fastmail  
JSON: https://api.skillsregistry.net/v1/skills/as-j-fastmail

## Description

Provides comprehensive access to Fastmail accounts via the JMAP API with 38 tools covering email operations, contact management, calendar scheduling, bulk actions, and administrative functions. Supports authentication through Fastmail API tokens and connects to configurable JMAP endpoints for full mailbox interaction.

## Trust

- **Trust score (0–1):** 0.92
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-09-19

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/as-j-fastmail)
- **Repository:** <https://github.com/as-j/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": "as-j-fastmail"
    }
  }
}
```

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