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arXiv · 2602.00492

HIDAgent: A Toolkit Enabling "Personal Agents" on HID-Compatible Devices

Jeffrey P. Bigham
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Abstract

UI Agents powered by increasingly performant AI promise to eventually use computers the way that people do - by visually interpreting UIs on screen and issuing appropriate actions to control them (e.g., mouse clicks and keyboard entry). While significant progress has been made on interpreting visual UIs computationally, and in sequencing together steps to complete tasks, controlling UIs is still done with system-specific APIs or VNC connections, which limits the platforms and use cases that can be explored. This paper introduces HIDAgent, an open-source hardware/software toolkit enabling UI agents to operate HID-compatible computing systems by emulating the physical keyboard and mouse. HIDAgent is built using three off-the-shelf components costing less than $30 and a Python library supporting flexible integration. We validated the HIDAgent toolkit by building five diverse use case prototypes across mobile and desktop platforms. As a hardware device, HIDAgent supports research into new interaction scenarios where the agents are separated from the devices they control.

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Jeffrey P. Bigham. 2026-01-31. HIDAgent: A Toolkit Enabling "Personal Agents" on HID-Compatible Devices. https://arxiv.org/abs/2602.00492

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