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Outlook MCP Server

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from marlonluo2018

Read, search, and manage emails in Microsoft Outlook through a standardized interface.

🔥🔥🔥✓ VerifiedFreeNeeds API keys
#email#automation#calendar#git#security#marketing

🤖 Outlook MCP Server

AI-powered email management for Microsoft Outlook - Search, compose, organize, and batch forward emails with natural language commands.

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Python License Windows

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🤔 Project Choice: Local vs Cloud Approach

This project uses win32COM which works entirely locally with your Outlook data (more secure), while our new Microsoft Graph MCP Server provides online access to the full Microsoft 365 ecosystem (more features). Choose based on your security and functionality needs.

Why Choose This Project (win32COM)?

  • ✅ Local Data Processing: All email operations happen locally on your computer - no data leaves your machine
  • ✅ Enhanced Security: No cloud authentication or API tokens required - works with your existing Outlook setup
  • ✅ Offline Capability: Access and manage emails even without internet connection
  • ✅ Privacy-First: Your email data never touches external servers or cloud services

Why Switch to Microsoft Graph API?

  • ✅ Full Microsoft 365 Ecosystem: Access Mail, Calendar, Teams, OneDrive, SharePoint
  • ✅ Cross-Platform Support: Works on Windows, macOS, Linux, and mobile devices
  • ✅ Modern Authentication: OAuth 2.0 with device code flow
  • ✅ Cloud-Scale Performance: No local application dependencies
  • ✅ Online Access: Works directly with cloud-based Microsoft 365 services

🎯 Core Features

Email Management

  • Search: Find emails by subject, sender, content, or date range
  • Compose: Write new emails with AI assistance
  • Reply: Smart replies that understand conversation context
  • Batch Forward: Send emails to 100s of recipients from CSV files (saves hours!)

Folder Management

  • List: See all your Outlook folders
  • Create: Make new folders with simple commands
  • Move: Organize emails between folders
  • Delete: Remove folders (careful - this is permanent!)

📧 Batch Forwarding: Save Hours on Email Distribution

Real-World Use Cases

🎯 Team Updates

  • Forward weekly reports to your entire team
  • Send important updates to all team members
  • Distribute project updates to stakeholders

📊 Marketing Campaigns

  • Send newsletters to subscriber lists
  • Forward promotional emails to customer segments
  • Distribute event invitations to contact groups

🏢 Corporate Communications

  • Send policy updates to all employees
  • Forward training materials to departments
  • Distribute announcements to company distribution lists

🔄 How It Works

Simple Workflow

  1. Load emails: "Show me recent emails" → Emails appear in cache
  2. Browse results: View 5 emails per page with clear formatting
  3. Take action: Reply, move, delete, or get AI summary
  4. Confirm before sending: AI always asks before sending emails

AI Assistant Behavior

  • Understands natural language: "Find urgent emails from my boss"
  • Shows email summaries: One-line overview + key action items
  • Drafts with context: Replies understand the conversation
  • Never sends without permission: Always confirms before sending

Batch Forwarding Workflow

1. Prepare Your CSV File

Copy & paste — that's it
email
john@company.com
jane@company.com
team@company.com

2. Use Natural Language

Copy & paste — that's it
"Forward this email to everyone in my contacts.csv"
"Send this project update to my team list"
"Distribute this newsletter to subscribers.csv"

3. AI Handles the Rest

  • Automatically splits large lists (max 500 per batch)
  • Sends via BCC to protect recipient privacy
  • Adds your custom message before original email
  • Provides delivery confirmation

Time Savings

Manual forwarding: 100 emails × 30 seconds = 50 minutes Batch forwarding: 30 seconds setup + 2 minutes processing = 2.5 minutes You save: 47.5 minutes per batch!

🔧 Common Commands

Try these with your AI assistant:

Copy & paste — that's it
"Show me emails from last 3 days"
"Find emails about project updates" 
"Draft a reply to John about rescheduling"
"Create a folder called 'Work Projects'"
"Move email #3 to the Archive folder"

🛠️ Essential Tools

Email Search & Loading

  • list_recent_emails_tool(days=7) - Load recent emails (max: 30 days)
  • search_email_by_subject_tool("search term") - Search email subjects
  • search_email_by_sender_name_tool("sender name") - Search by sender
  • search_email_by_body_tool("search term") - Search email content (slower)

Email Actions

  • view_email_cache_tool(page=1) - Browse loaded emails (5 per page)
  • get_email_by_number_tool(email_number) - Get full email details
  • reply_to_email_by_number_tool(email_number, "reply text") - Reply to email
  • compose_email_tool("recipient@email.com", "subject", "body") - Send new email

Folder Operations

  • get_folder_list_tool() - Always use first to see available folders
  • create_folder_tool("folder name") - Create new folder
  • move_email_tool(email_number, "target folder") - Move email between folders
  • move_folder_tool("source", "target") - Move folders

Safety Notes

  • Always check folder list first before moving/deleting
  • Emails are cached - use numbers from cache for operations
  • Never sends without confirmation - AI always asks before sending

⚡ Performance

  • Loads 100 emails in ~2 seconds
  • Searches complete in real-time
  • All processing happens locally (your data stays private)

✅ Quality & Reliability

Robust Validation System

  • Input Validation: All user inputs are validated before processing
  • Custom Error Messages: Clear, actionable error messages for common issues
  • Safety Checks: Prevents invalid operations before they cause problems

Comprehensive Testing

  • 145+ Unit Tests: Every feature thoroughly tested
  • Configuration Coverage: All settings and constants validated
  • Edge Case Handling: Tested against unusual inputs and scenarios
  • Continuous Quality: Tests run on every change to ensure reliability

What This Means for You

  • Fewer Errors: Validation catches mistakes before they cause problems
  • Better Error Messages: Know exactly what went wrong and how to fix it
  • Reliable Operation: Comprehensive testing ensures consistent performance
  • Safe Operations: Built-in safeguards prevent accidental data loss

🛡️ Privacy & Security

  • 100% Local Processing: No data leaves your computer
  • No Cloud Services: Works entirely offline
  • Secure by Design: Uses your existing Outlook installation

📚 Need Help?

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💡 Quick star tip: Click the ⭐ button above - it takes 2 seconds and supports open-source email AI!

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