CatchUI

Tools

Token cost is the o200k count of the tools list JSON, including schemas, before any tool is called.

• search_ui_patterns

  Finds the conventional name of a UI element or design pattern from a plain-language description, question or term — e.g. "the bar at the bottom of an app", "three horizontal lines icon", "the black ba

• get_ui_pattern

  Returns the full CatchUI entry for one UI pattern by id (e.g. "tabbar", "bottomsheet"): definition in English and Chinese, pronunciation, aliases, how people describe it, component names per platform,

• list_ui_patterns

  Lists the 50 UI patterns in CatchUI's curated catalog — ids, English and Chinese names and one-line definitions — grouped by family, optionally filtered to one family (NAV, INPUT, ACTION, OVERLAY, FEE

• compare_ui_patterns

  Explains how 2 to 4 easily confused UI patterns differ — e.g. toast vs snackbar, modal vs popover vs bottom sheet, tabs vs segmented control, Dynamic Island vs notch. Returns each definition side by s

• get_ui_component_names

  Returns what a UI pattern is called in code on each platform — SwiftUI, UIKit, Jetpack Compose, Android Views, Flutter, HTML/ARIA and, for system UI, AppKit, Win32 and Electron — or works backwards fr

• get_implementation_prompt

  Returns CatchUI's ready-to-use implementation instructions for 1 to 6 UI patterns — what to build, where it sits, its states and the accessibility it needs — in English or Chinese, for pasting into an