MacOS Clipboard MCP Server

An MCP server that provides access to the macOS clipboard via OSAScript. This tool allows AI assistants to see what content is on the user's clipboard, including text, images, and binary data.

Features

Retrieve content from the macOS clipboard
Supports multiple content types:
- Text
- Images (PNG)
- Raw binary data

Installation

bun install

Usage

To start the server:

bun run start

For development with hot reloading:

bun run dev

Alternative development modes:

bun run dev2      # Run with fastmcp dev
bun run inspect   # Run with fastmcp inspector
bun run mcp-cli   # Run with mcp-cli tool

Implementation Notes

Uses AppleScript via the osascript command to interact with the macOS clipboard
Handles various clipboard content types
Content is returned with appropriate MIME types
The clipboard should always be checked on demand (not cached) as content can change between requests

Requirements

macOS operating system
Bun runtime

Install Server

HTTP connection URL

security – no known vulnerabilities

license - permissive license

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

getClipboardContents

Provides AI assistants access to the macOS clipboard content, supporting text, images, and binary data via OSAScript.

Related Resources

Reddit Discussion about this server

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