Understudy

open source

One instruction. Your entire computer. An open-source AI agent for autonomous GUI automation.

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API Open Source

AI Automation AI Agents AI Productivity

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About Understudy

Understudy is an open-source AI agent that lives on your computer and can research, browse the web, click through desktop apps, manage files, and reply through existing channels. It can operate any macOS application, learn from user demonstrations, and execute tasks from a single instruction—whether locally or remotely via messaging apps like Telegram, Slack, Discord, WhatsApp, or iMessage. The agent progressively learns routines and optimizes workflows over time.

Key Features

Desktop GUI automation across any macOS app
Learn from demonstrations and publish reusable skills
Multi-channel remote control (Telegram, Slack, Discord, WhatsApp, Signal, LINE, iMessage, Web)
Autonomous web research and browsing
File management and command execution
Progressive learning that improves over time
Local-first with bring-your-own-model support
Open-source MIT license

AI Models

Claude (Anthropic)GPT (OpenAI)Gemini (Google)MiniMax

Use Cases

Autonomous desktop task automationRemote computer control via messaging appsApp testing and review generationWorkflow learning and optimizationFile conversion and managementMulti-tool integration from single instructions