AI Agents That Adapt to Different UI Layouts for Repetitive Tasks

Fazm Team··3 min read

AI Agents That Adapt to Different UI Layouts for Repetitive Tasks

The same task looks different in every application. "Send a message" means one thing in Slack, another in Teams, and something else in Discord. The buttons are in different places. The input fields have different labels. The confirmation flows vary.

Traditional automation scripts break when the UI changes. AI agents that use the accessibility tree do not.

Why Pixel-Based Automation Breaks

Screenshot-based agents match pixels on the screen. Move a button 10 pixels to the left and the automation fails. Change the theme from light to dark and it cannot find the element. Resize the window and coordinates are wrong.

This brittleness makes pixel-based automation impractical for tasks that span multiple applications or survive app updates.

The Accessibility Tree Advantage

The accessibility tree is a semantic representation of the UI. It describes elements by their role, label, and state - not their position or appearance. A button labeled "Send" is identifiable regardless of where it sits on screen, what color it is, or what font it uses.

When an AI agent reads the accessibility tree, it sees structure and meaning rather than pixels. This means:

  • The same agent logic works across different apps that have the same semantic actions
  • UI updates and redesigns do not break the automation
  • Different screen sizes and resolutions are irrelevant
  • Light mode, dark mode, and custom themes all work identically

Adapting to Different Processes

The real power shows up when the same task has different processes in different contexts. Filing an expense report in one company's tool is a three-step form. In another it is a five-step wizard. The AI agent reads the accessibility tree of whatever tool it encounters, identifies the relevant fields and actions, and adapts its approach.

No per-app scripting. No brittle selectors. The agent understands what it needs to do and figures out how to do it in whatever UI it finds.

Building Adaptive Workflows

The key is describing tasks at the semantic level - "find the message input, type the text, press send" - rather than the mechanical level - "click at coordinates 340, 520." The accessibility tree provides the semantic layer that makes this possible.

Fazm is an open source macOS AI agent. Open source on GitHub.

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