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FastMail MCP Server

by gr3enarr0w
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FastMail MCP Server

Advanced FastMail email management server implementing the Model Context Protocol (MCP) with Docker support and Unraid compatibility.

✨ Features

🤖 AI-Powered Email Management

  • Smart Email Analysis - Find genuine action items, filter auto-paid bills
  • AI Reply Generation - Generate contextual replies matching your writing style
  • Writing Style Learning - Analyze your communication patterns
  • Intelligent Summarization - Comprehensive email summaries by category/timeframe

📧 Email Operations

  • Advanced Search - Query emails with pagination support
  • Automated Organization - Sort emails into hierarchical categories
  • Inbox Zero - Aggressive cleanup to achieve true inbox zero
  • Conversation Tracking - Thread-aware email handling

👥 Contacts & Calendar

  • Smart Contact Management - Sync contacts based on email interactions
  • Calendar Integration - Extract events from emails, conflict checking
  • Relationship Detection - Identify work contacts vs personal

🏗️ Organization & Structure

  • 13-Label System - Simple hierarchical email organization
  • Migration Tools - Move from flat to hierarchical structures
  • News Digest - Summarize news articles from WSJ and other sources
  • Spam Intelligence - Multi-year threat detection (1990s-2024)

🚀 Quick Start

Docker Run

docker run -d \ --name fastmail-mcp-server \ --restart unless-stopped \ -e FASTMAIL_API_TOKEN=your_token \ -e FASTMAIL_EMAIL=your_email@fastmail.com \ gr3enarr0w/fastmail-mcp-server:latest

Docker Compose

version: '3.8' services: fastmail-mcp-server: image: gr3enarr0w/fastmail-mcp-server:latest container_name: fastmail-mcp-server restart: unless-stopped environment: - FASTMAIL_API_TOKEN=your_token - FASTMAIL_EMAIL=your_email@fastmail.com

Unraid Installation

  1. Go to Community Applications
  2. Search for "FastMail MCP"
  3. Click Install
  4. Configure your FastMail API credentials

🔧 Configuration

Required Environment Variables

FASTMAIL_API_TOKEN=your_fastmail_api_token FASTMAIL_EMAIL=your_fastmail_email

Optional Environment Variables

FASTMAIL_SEND_AS=your_sending_email@domain.com FASTMAIL_ALIAS_DOMAIN=yourdomain.com FASTMAIL_JMAP_URL=https://jmap.fastmail.com/jmap/session

🧠 Claude Integration

Claude Code (CLI)

Add to ~/.mcp.json:

{ "mcpServers": { "fastmail-server": { "command": "docker", "args": ["exec", "-i", "fastmail-mcp-server", "node", "src/index.js"] } } }

Claude Desktop

Add to Claude Desktop config:

{ "mcpServers": { "fastmail-server": { "command": "/path/to/mcp-bridge.sh", "args": [] } } }

🛠️ Available MCP Tools

  • list_mailboxes - List all mailboxes in the account
  • list_emails - List emails with pagination support
  • get_email - Get full details of a specific email
  • search_emails - Search emails using text queries
  • send_email - Send new emails via FastMail
  • reply_to_email - Reply to specific emails by ID
  • smart_email_analysis - Find actionable emails, filter completed tasks
  • generate_ai_reply - AI-powered contextual reply generation
  • analyze_writing_style - Learn user communication patterns
  • adaptive_user_learning - Automatically adapt to user preferences
  • optimize_ai_prompts - Generate optimized prompts for different models
  • organize_emails - Auto-organize into appropriate folders
  • achieve_inbox_zero - Aggressive inbox cleanup
  • setup_simple_labels - Create 13-label hierarchical structure
  • categorize_with_simple_labels - Auto-categorize with labels
  • migrate_to_hierarchy - Migrate from flat to hierarchical structure
  • review_archived_emails - Review archived items for missed replies
  • analyze_hierarchical_structure - Analyze and suggest improvements
  • manage_contacts - Intelligent contact management
  • list_contacts - List existing FastMail contacts
  • manage_calendar - Calendar event management and extraction
  • comprehensive_email_summary - Generate detailed email summaries
  • summarize_news - News digest from email sources
  • universal_setup_wizard - Automated onboarding wizard

📁 Project Structure

fastmail-mcp-server/ ├── src/ # Core MCP server code │ ├── index.js # Main MCP server entry point │ ├── fastmail-client.js # FastMail JMAP API client │ └── *.js # Feature implementations ├── scripts/ # Email organization scripts ├── analysis/ # Email analysis utilities ├── Dockerfile # Container definition ├── docker-compose.yml # Docker Compose config ├── unraid-template.xml # Unraid Community Apps template └── docs/ # Documentation

🔒 Security Features

  • Non-root execution - Container runs as unprivileged user
  • Read-only filesystem - Prevents tampering
  • Resource limits - CPU and memory constraints
  • Network isolation - No exposed ports (stdio transport)
  • Credential isolation - API tokens via environment variables

📖 Documentation

🤝 Contributing

  1. Fork the repository
  2. Create a feature branch (git checkout -b feature/amazing-feature)
  3. Commit your changes (git commit -m 'Add amazing feature')
  4. Push to the branch (git push origin feature/amazing-feature)
  5. Open a Pull Request

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

🙏 Acknowledgments

  • FastMail for their excellent JMAP API
  • Anthropic for the Model Context Protocol specification
  • Unraid Community for the Community Applications platform

This server cannot be installed

-
security - not tested
F
license - not found
-
quality - not tested

How are these scores calculated?

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

Enables AI-powered email management through FastMail's JMAP API with features like smart email analysis, automated organization, inbox zero automation, and intelligent reply generation. Supports advanced email operations, contact management, calendar integration, and hierarchical email organization systems.

  1. ✨ Features
    1. 🤖 AI-Powered Email Management
    2. 📧 Email Operations
    3. 👥 Contacts & Calendar
    4. 🏗️ Organization & Structure
  2. 🚀 Quick Start
    1. Docker Run
    2. Docker Compose
    3. Unraid Installation
  3. 🔧 Configuration
    1. Required Environment Variables
    2. Optional Environment Variables
  4. 🧠 Claude Integration
    1. Claude Code (CLI)
    2. Claude Desktop
  5. 🛠️ Available MCP Tools
    1. 📁 Project Structure
      1. 🔒 Security Features
        1. 📖 Documentation
          1. 🤝 Contributing
            1. 📄 License
              1. 🙏 Acknowledgments

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