I Built ACI: The Open Standard That Lets AI Agents Operate Any Software Without Screenshots

Every AI agent framework today solves half the problem. Browser Use handles web pages but can't touch desktop apps. UFO controls Windows apps but can't operate browsers. Screenshot-based approaches (Computer Use, Operator) work everywhere but are slow (3-10s per action), expensive, and fragile. The missing piece: a single standard interface that works for both web and desktop, structured and fast. That's what I built. ACI — the Agent-Computer Interface. The Core Idea: APIs for Developers, ACI for Agents Just as APIs became the universal interface between developers and software, ACI is the universal interface between AI agents and software. \ How It Works: Two Operations The entire protocol is two operations: 1. — See what's on screen Returns a structured, UID-referenced element tree — not a screenshot, not raw HTML: \ Same protocol for desktop apps: \ 2. — Do something \ That's it. . Any agent that can make HTTP calls can operate any software. Three Technical Innovations 1. Tiered Str