fastmail-mcp and gmail-mcp
These are competitors offering parallel MCP server implementations for different email providers—developers must choose either Fastmail or Gmail as their email backend rather than using both simultaneously.
About fastmail-mcp
MadLlama25/fastmail-mcp
A Model Context Protocol (MCP) server that provides access to the Fastmail API, enabling AI assistants to interact with email, contacts, and calendar data. Includes a DXT (desktop extension) for Claude Desktop.
Implements 38 tools covering comprehensive email operations (threading, attachments, bulk actions), contacts, and calendar management via Fastmail's JMAP API. Built with Node.js using stdio transport for seamless MCP integration, supporting both standalone server and Claude Desktop DXT installation with encrypted token storage. Distinguishes between folder-style moves and label-based operations, enabling fine-grained mailbox management alongside advanced search filtering by sender, date, read status, and attachment presence.
About gmail-mcp
pouyanafisi/gmail-mcp
Gmail MCP Server - Email management for AI assistants. Send, search, organize emails with labels and filters. OAuth2 auth, batch operations, attachments. Works with Claude, Gemini, Cursor.
Implements 19 distinct Gmail operations organized across email, label, and filter management through TypeScript with Zod validation schemas. Built on the Model Context Protocol (MCP) with stdio transport, it integrates directly into Cursor IDE and Claude Desktop via configuration files, automating batch processing with Gmail API rate-limit compensation and credential refresh handling.
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