iMessage MCP Server

⚠️ DISCLAIMER - USE AT YOUR OWN RISK ⚠️

This software is provided as-is, without any warranties or guarantees.

An MCP server that uses AppleScript to send iMessages and manage contacts.

This server uses AppleScript to interface with macOS Messages and Contacts apps through the Model Context Protocol (MCP). It wraps AppleScript commands in a TypeScript server to allow you to:

View and search your contacts
Send iMessages to contacts or phone numbers
Get confirmation when messages are sent

Features

Resources

Access your contacts via contacts://all
View contact details including names, phone numbers, and email addresses
All data stays local on your machine

Tools

search_contacts - Find contacts by name, phone, or email
- Takes a search query and returns matching contacts
- Searches across names, phone numbers, and email addresses
send_message - Send an iMessage
- Takes recipient (phone/email) and message content
- Sends through your local Messages app
- Returns confirmation or error details

Installation

Install dependencies:

npm install

Build the server:

npm run build

Configure Claude Desktop to use the server:

On MacOS: ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "imessage": {
      "command": "node",
      "args": ["/path/to/imessage-server/build/server.js"]
    }
  }
}

Restart Claude Desktop
Grant permissions when prompted for:
- Contacts access
- Messages access

Usage

Once installed, you can talk to Claude Desktop naturally:

"Show me my contacts"
"Search for contacts named Marissa"
"Send a message to 555-0123 saying I'll be there in 10 minutes"
"Send Alice an iMessage asking if we're still on for lunch"

Security Notes

All operations happen locally on your machine
No contact or message data is sent to external servers
The server requires macOS permissions for Contacts and Messages access
Messages are sent through your iMessage account

Development

For development and debugging, use the MCP Inspector:

npx @modelcontextprotocol/inspector node build/server.js

Requirements

macOS (for Messages and Contacts integration)
Node.js 18 or higher
Claude Desktop
Active iMessage account

Troubleshooting

If messages aren't sending:

Check Messages app is signed in
Verify permissions are granted
Look for errors in Claude Desktop logs:

tail -f ~/Library/Logs/Claude/mcp*.log

Install Server

HTTP connection URL

security – no known vulnerabilities

license - not found

quality - confirmed to work

How are these scores calculated?

local-only server

The server can only run on the client's local machine because it depends on local resources.

Tools

A local server that enables Claude Desktop to interact with your macOS Contacts and Messages apps, allowing you to search contacts and send iMessages through natural language commands.

Related Resources

Reddit Discussion about this server

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