shortest

Shortest is a TypeScript end-to-end testing framework that lets developers write browser tests in plain English sentences instead of imperative code. It connects to Claude through the Anthropic API, using Claude as the reasoning engine that interprets natural language test descriptions and drives a Chromium browser via Playwright to execute them. Tests are defined by calling a single `shortest()` function with a plain English string such as "Login to the app using email and password," and Claude figures out the steps required to fulfill that instruction against a live browser session. The framework supports API endpoint testing, lifecycle hooks (beforeAll, beforeEach, afterEach, afterAll), callback assertions after browser execution, and sequential test chaining with spread-operator composition. A notable built-in feature is GitHub two-factor authentication support, plus email validation via Mailosaur. Setup runs through `npx @antiwork/shortest init`, which scaffolds config and environment files. Front-end and full-stack developers working on Next.js or similar web applications are the primary audience.

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