Fastmail MCP Server

Example Use Cases

• 1

  Access and manage Fastmail emails programmatically via MCP.

• 2

  Integrate Fastmail calendar and contact management into AI workflows.

• 3

  That require a standardized protocol interface to interact with Fastmail services.

Description

This MCP server allows any MCP-compatible AI assistant to read, search, send, and manage emails, calendars, and contacts in a Fastmail account using the JMAP protocol. It supports multiple transport modes including stdio and HTTP, and integrates with popular MCP clients like Claude Desktop, Cursor, Windsurf, and VS Code. The server offers extensive tools for email, mailbox, calendar, contacts, identity management, and diagnostics, enhancing AI assistant capabilities with Fastmail data.