CUP (Computer Use Protocol) standardizes a universal tree format for representing desktop UI elements across different platforms, enabling AI agents to interact with computer interfaces more effectively and consistently. It includes roles, states, actions, and schema definitions in its protocol layer, with optional SDKs and MCP server integration for capturing and interacting with UI trees. CUP aims to simplify the infrastructure layer for computer-use agents, allowing developers to focus on unique features rather than platform-specific implementations. The project is open-source (MIT license) and welcomes contributions from the community.
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