Browse the Library

## What it does Spin up a mock API server from OpenAPI specs, Postman collections, or manual route definitions. ## Why you need it Frontend shouldn't wait for backend. This skill creates realistic mo

## What it does Produces realistic fake data that matches your database schema or API contracts with referential integrity. ## Why you need it Testing with bad data leads to bugs in production. This

## What it does Reads your coverage report (lcov, Istanbul, v8), weights untested code by cyclomatic complexity and git churn, and produces a prioritized list of "where to add tests for real ROI" — no

## What it does Turns a user story into end-to-end specs using Playwright or Cypress with page objects, stable selectors, and setup/teardown that doesn't leak state between tests. Covers happy path +

## What it does Given a source file (TypeScript/JavaScript), generates a vitest or jest test suite covering happy paths, edge cases, and failure modes. Understands your existing test patterns and matc