AISkills402: UI Worst-Case Data Generator

API ↗

AISkills402: UI Worst-Case Data Generator is a paid API for AI agents from api.aiskills402.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-31).

Generates stress-test JSON data for UI components by producing worst-case values for every prop in a given TypeScript type or prop list

How this service works

UI Worst-Case Data — Turns the props of a UI component (a TypeScript type or a list of props) into strict JSON test data that stresses how it displays, and nothing else. Per prop it picks the worst values for the type, a string that is empty, one word of eighty characters with no space, on two lines, an emoji joined with a zero-width joiner, right-to-left letters or HTML-looking text, numbers at zero and at the large and decimal ends, lists that are empty, hold one item or hold a hundred, optio…

Output

A JSON object containing worst-case test values for each prop in the provided UI component type. For string props: empty string, an 80-character word without spaces, a two-line string, an emoji with zero-width joiner, RTL text, and HTML-looking text. For number props: zero, a very large number, and a decimal. For array props: empty array, single-item array, and hundred-item array. For optional props: both present and absent variants. The output is structured to directly stress-test UI rendering edge cases.