Browse the library

An MCP server and framework for browser automation, web scraping, and end-to-end testing with stealth capabilities.

agent-device

callstack

Let your agent control, inspect, and verify mobile apps on iOS and Android simulators or physical devices.

HttpRunner is an open-source API/UI testing framework that uses LLM technology for natural language driven test scenarios, supporting multiple platforms and offering broad test capabilities.

A skill that enables coding agents to write and execute custom Playwright scripts for complex web flows.

MCPJam is a testing and evaluation platform to chat with, inspect, and debug MCP servers and AI agent applications across various client configurations.

This MCP server bridges AI models with WinDbg, enabling natural language control for crash dump analysis, user-mode, and kernel debugging.

A library of deterministic JavaScript snippets and agent skills for measuring and debugging web performance (LCP, CLS, INP) via AI agents.

Gives coding agents on-demand cloud, local VM or container boxes that sync your working tree and run tests, builds and UI checks remotely.

A Game Boy/Color emulator with an embedded MCP server, enabling AI agents to debug and develop for these classic systems.

This tool allows AI agents to verify their code changes by driving a running application and reporting pass/fail results.

Provides agentic tooling as an MCP server and Claude plugin to integrate Sentry's error monitoring and performance debugging features into coding agents.

An open-source, self-improving QA agent that writes tests in natural language for web and mobile, learns from runs, adapts to UI changes, and catches regressions.

This MCP server launches browser agents to perform automated QA testing on websites for UI bugs, broken links, and accessibility issues.

A Claude Code skill that drives a strict spec-build-verify loop to ensure code changes are evidence-backed and verified.

Coder Eval is an agent-agnostic framework for evaluating and benchmarking AI coding agents and their skills using declarative YAML tasks and sandboxed execution.

This Claude Code plugin helps you verify agent-generated code by booting your application, driving changes against approved acceptance criteria, and providing a detailed report.

A Claude Code plugin that traces conversations, tool calls, subagent runs, and context compaction to LangSmith.

dotpals

Rikinshah787

This plugin helps users see what their coding agent actually did, verifies test passes, and makes agents fix failing tests.

A CLI that A/B tests SKILL.md, .cursorrules, CLAUDE.md and system prompts with blind grading to tell whether they help, do nothing or harm.