AI Agent Skills

Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

Use Playwright to interact with and test local web applications, capture screenshots, debug UI behavior, and inspect browser logs.

Test Automation Made Simple

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

Community hub for Requestly API Client — bugs, feature requests, and roadmap. The privacy-first Postman alternative.

Test suites for Web platform specs — including WHATWG, W3C, and others

The complete load testing platform. Everything you need for production-grade load tests. Serverless & distributed. Load test with Playwright. Load test HTTP APIs, GraphQ…

SeleniumBase is a framework for UI Testing, Web Scraping, and Stealth. Passes every bot-detection test with CDP Mode, and extends Playwright.

JavaScript API for Chrome and Firefox

👨‍🚀 Ecosystem for turning API specifications into production-ready code. Used by Vercel, OpenCode, PayPal, AWS, Autodesk, and many more.

Audit concentration, factor exposure, correlation, liquidity, and stress-test risks in an existing portfolio.

Pressure-test a plan against the codebase, domain glossary, and architectural decisions.

达尔文.skill —— 一个让你的Skill无限进化的系统：评估→改进→测试→保留或回滚 | Autoresearch-inspired autonomous skill optimization for Claude Code. Evaluate, improve, test, keep or revert.

Unofficial Python API and agentic skill for Google NotebookLM. Full programmatic access to NotebookLM's features—including capabilities the web UI doesn't expose—via Pyt…

The modern API client that lives in your terminal.