UI Annotator FAQs

Question 1

How does UI Annotator improve communication with AI assistants?

Accepted Answer

By providing universal, human-readable element names, UI Annotator gives both you and your AI assistant a shared vocabulary for the UI. AI can use its MCP tools to programmatically understand, highlight, and interact with these named elements for precise development.

Question 2

Does UI Annotator require browser extensions or code changes?

Accepted Answer

No. It works as a reverse proxy, injecting a lightweight annotation script into your page on the fly. This means zero browser extensions and no modifications to your target application's code, working in any browser.

Question 3

What is UI Annotator and how does it help?

Accepted Answer

UI Annotator is an MCP server that proxies any web page, injecting interactive hover annotations. It assigns human-readable names to UI elements, facilitating clear communication between humans and AI assistants about specific web page components.

Question 4

What information do the hover annotations display?

Accepted Answer

When you hover over an element, you'll instantly see its human-readable element name, its CSS selector, a content preview (text), and its dimensions (width x height).

Question 5

What is 'Inspect Mode' in UI Annotator?

Accepted Answer

Inspect Mode pauses page interactions and allows you to click any element to instantly copy its name to your clipboard. This is useful for quickly referencing specific elements or for AI to remotely control.

UI Annotator

UI Annotator

Key Features

Use Cases

Key Features

Use Cases