Unified Email MCP Server

Overview

Unified Email MCP Server provides a comprehensive email access solution across Gmail, Outlook, iCloud, and generic IMAP providers. It features OAuth2 authentication through browser-based OAuth flows for Gmail and Outlook with automatic token refresh, ensuring seamless and secure email integration.

Features

• Multi-Provider Support: Gmail (REST API), Outlook (Microsoft Graph), iCloud (IMAP), and generic IMAP/SMTP
• OAuth2 Authentication: Secure browser-based authentication for Gmail and Outlook
• Automatic Token Refresh: Maintains active sessions without manual intervention
• Unified Interface: Consistent API across all email providers
• Full Email Operations: Read, send, search, and manage emails
• Attachment Handling: Download and send file attachments
• Folder Management: Organize emails across folders and labels
• Advanced Search: Powerful search capabilities across providers

Email Operations

• Read emails and threads
• Send new emails
• Reply to messages
• Forward emails
• Search inbox and folders
• Download attachments
• Manage folders and labels
• Mark as read/unread
• Archive and delete messages
• Manage drafts

Provider-Specific Features

Gmail

• Label management
• Thread conversations
• Priority inbox
• Gmail-specific filters

Outlook

• Folder hierarchy
• Categories and flags
• Rules and filters
• Calendar integration

iCloud

• Apple ecosystem integration
• iCloud folder structure

IMAP/SMTP

• Generic email server support
• Custom server configuration
• SSL/TLS support

Authentication Methods

• Gmail: OAuth2 with Google authentication
• Outlook: OAuth2 with Microsoft authentication
• iCloud: App-specific passwords
• IMAP: Username/password or OAuth2

Use Cases

• Manage multiple email accounts from a single interface
• Automate email workflows across providers
• Build unified email search tools
• Create cross-platform email clients
• Integrate email with AI workflows
• Automate email responses and sorting
• Build email analytics dashboards

Security Features

• OAuth2 secure authentication
• Token encryption and storage
• Automatic credential refresh
• No password storage for OAuth providers
• Secure IMAP/SMTP connections

Pricing

Free and open-source under the MIT license.