mswjs/msw

The industry standard for API mocking in JavaScript.

mswjs/msw-storybook-addon

Mock API requests in Storybook with Mock Service Worker.

connectrpc/connect-playwright-es

Utilities for use with Playwright and Connect-ES.

microsoft/playwright

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and…

nolanlawson/promise-worker

Promise-based messaging for Web Workers and Service Workers

TheJambo/awesome-testing

A curated list of testing resources

mock-server/mockserver-monorepo

MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and…

microsoft/playwright-mcp

Playwright MCP server