crosspaste-desktop
Universal Pasteboard Across Devices
CrossPaste is an MCP server that exposes universal clipboard history across devices to AI assistants like Claude through the Model Context Protocol. This cross-platform pasteboard application runs on Windows, macOS, and Linux, synchronizing clipboard content in real-time across all connected devices while providing AI agents with contextual access to your copy-paste history. It supports multiple content types including text, images, files, URLs, HTML, and RTF, with end-to-end encryption for security. The MCP integration allows AI assistants to retrieve and reference clipboard data during conversations, making it a powerful context provider for AI workflows.
Key Features
Use Cases
- 01Providing AI assistants with contextual access to recent clipboard history during coding sessions
- 02Synchronizing copied code snippets across development machines for seamless workflow
- 03Enabling AI agents to reference previously copied documentation, URLs, or error messages
- 04Sharing clipboard content between desktop and browser environments during web development
- 05Accessing clipboard history from command-line tools and shell scripts integrated with AI workflows
- 06Extracting text from screenshots using OCR and making it available to AI assistants
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crosspaste-desktop — FAQ
What is crosspaste-desktop and how does it work with AI assistants?+
CrossPaste is a universal clipboard manager that includes an MCP server component, allowing AI assistants like Claude to access your clipboard history through the Model Context Protocol. It synchronizes clipboard content across all your devices while exposing that history as context for AI-powered workflows.
How do I install and run crosspaste-desktop?+
Clone the repository from GitHub, navigate to the crosspaste-desktop directory, and run `./gradlew app:run` to compile and start the application. The first run will download JetBrains Runtime and Gradle dependencies, which may require proxy configuration if you're behind a firewall.
Which AI clients and platforms does the MCP server support?+
The MCP server integration is designed to work with Claude and other AI assistants that support the Model Context Protocol. The desktop application itself runs on Windows, macOS, and Linux, with a Chrome extension for browser integration.
Do I need API keys or external services to use CrossPaste?+
No external API keys or cloud services are required. CrossPaste uses a serverless LAN-only architecture with local storage, and the built-in OCR runs entirely on-device without network calls, ensuring privacy and data control.
Is crosspaste-desktop free and open source?+
Yes, CrossPaste is licensed under AGPL-3.0 and is free to use. The source code is available on GitHub, and the project welcomes community contributions including translations, bug reports, and code improvements.
What are the prerequisites for building the Chrome extension?+
Node.js version 18 or higher is required to build the Chrome extension component. Run `./gradlew :web:build` to compile the extension, then load the unpacked extension from the `web/dist/` directory in Chrome's developer mode.
How do I install crosspaste-desktop?+
Open the source repository on GitHub and follow its README. crosspaste-desktop is a mcp server — MCP Agents Market links you directly to the official repo.
Is crosspaste-desktop free?+
crosspaste-desktop is an open-source project hosted on GitHub. Check the repository for its license and any usage requirements.