Fastmail Tools

Access and manage Fastmail emails, contacts, and calendar via MCP.

7|1|Updated Jan 14, 2026

Search Tags:#contact management #email search #mcp tools #fastmail #calendar events #email reading #drafts and replies

Ready to run

npx skills add https://github.com/omarshahine/fastmail-mcp-remote --skill fastmail-tools

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: Fastmail Tools
Source: https://github.com/omarshahine/fastmail-mcp-remote/tree/main/openclaw-plugin/skills/fastmail
Command: npx skills add https://github.com/omarshahine/fastmail-mcp-remote --skill fastmail-tools

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Fastmail does not provide a native MCP server, making it hard for AI assistants to read, search, and manage your emails, contacts, and calendar without manual copy/paste or custom integration.

Core Features & Use Cases

Token-efficient Fastmail actions: Executes Fastmail operations through the local fastmail CLI and returns compact, LLM-optimized text for faster, cheaper reasoning.
Inbox reading and retrieval: Fetches recent emails, full email bodies in markdown, and entire conversation threads.
Search, organization, and bulk triage: Supports text search with filters, plus marking read/unread, flagging/unflagging, deleting, and moving emails.
Account utilities: Provides mailboxes, stats, identities, and incremental inbox updates for synchronization use cases.

Quick Start

Ask your AI to “use fastmail_inbox to list my 10 most recent emails, then read the top email with fastmail_get_email using its ID.”

Frequently Asked Questions about Fastmail Tools

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I read and search Fastmail emails using an AI assistant?▼

You can read and search Fastmail emails using an AI assistant by connecting through a local fastmail CLI to a remote MCP Worker, which provides compact text outputs for inbox reading, text search, and thread retrieval.

Can I draft and reply to Fastmail emails with proper threading through MCP tools?▼

Yes, you can draft and reply to Fastmail emails with proper reply threading using the MCP toolset, which manages reply formatting and stable email IDs for accurate conversation tracking.

Does Fastmail have a native MCP server for AI integration?▼

Fastmail does not have a native MCP server, so this toolset bridges the gap by using a local CLI authenticated to a remote Fastmail MCP Worker to enable AI access to your account.

How do I sync my Fastmail inbox incrementally for AI processing?▼

You can sync your Fastmail inbox incrementally using the account utilities provided by the MCP toolset, which fetches recent updates and returns compact text optimized for LLM reasoning.

Can I manage Fastmail contacts and calendar events through MCP tools?▼

Yes, you can manage Fastmail contacts and calendar events through the MCP toolset, supporting contact lookups alongside calendar event listing and creation directly from your AI assistant.