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Official AWS Labs MCP server for serverless development that gives AI assistants contextual guidance plus tools to initialize, build, deploy, and troubleshoot AWS SAM and Lambda-based serverless applications.

Microsoft .NET team skill marketplace for AI coding agents working on .NET, C#, ASP.NET Core, Blazor, MAUI, diagnostics, MSBuild, NuGet, upgrades, tests, AI workflows, RAG pipelines, and C# MCP servers.

Official LiveKit Agent Skills for AI coding agents building low-latency voice AI, LiveKit Agents workflows, handoffs, mandatory tests, and simulation scenario suites.

Open-source framework for building realtime voice, video, and multimodal AI agents with LiveKit rooms, STT, LLMs, TTS, job scheduling, telephony, MCP tools, testing, and production deployment paths.

Official MathWorks MCP server that lets Claude detect MATLAB installations, inspect toolboxes, analyze MATLAB files, evaluate MATLAB code, run scripts, run tests, and expose reviewed custom MATLAB functions as MCP tools.

Unity Editor MCP bridge that lets AI assistants manage assets, edit scripts, control scenes, run tests, and automate Unity workflows through the Model Context Protocol.

Offensive security MCP framework that connects AI agents to a large toolkit for authorized penetration testing, vulnerability discovery, CTF, OSINT, and security research workflows.

Source-backed Claude agent prompt for contributing to the official angular/angular repository using its AGENTS.md guidance for pnpm, Bazel test targets, coding standards, commit guidelines, zoneless tests, async stability, and PR handling.

Build Inngest-backed Next.js workflows with event triggers, durable steps, local Dev Server testing, API route serving, retries, concurrency, and production deployment review.

Source-backed Claude agent prompt for contributing to the official elastic/kibana repository using its AGENTS.md guidance for Kibana modules, plugin lifecycle boundaries, server plugin lazy loading, TypeScript style, i18n, Scout, Jest, FTR, scoped type checks, and focused validation.

Source-backed Claude agent prompt for contributing to the official mui/material-ui monorepo using its AGENTS.md guidance, pnpm workspace filters, package build and test commands, component conventions, public error-message rules, API docs generation, visual regression and accessibility checks, and pre-PR checklist.

Build and maintain NestJS backend APIs with modules, controllers, providers, dependency injection, configuration, validation pipes, guards, interceptors, exception filters, OpenAPI docs, testing, and production safety review.

Connect Claude to BrowserStack for permission-scoped web, app, accessibility, and test automation workflows.

Open-source evaluation framework for testing RAG systems, prompts, agents, workflows, and other LLM application behavior.

Official visual testing and debugging tool for Model Context Protocol servers.

Open-source prompt testing and red-teaming framework for LLM outputs, regressions, evaluations, and security checks.

AI testing platform for evaluating, scanning, and monitoring machine learning and LLM application quality.

Official Dart team Agent Skills for AI coding agents working on Dart unit tests, CLI apps, coverage, runtime errors, mocks, package conflicts, static analysis, Native Assets, FFI, ffigen, and pattern matching.

Official Flutter team Agent Skills for AI coding agents building Flutter apps, fixing layout issues, adding widget and integration tests, creating widget previews, applying layered architecture, routing, localization, JSON serialization, and HTTP workflows.

Community slash command runbook for frontend visual QA using documented Claude Code Chrome integration workflows: enable /chrome, open a local page, read console messages, and follow the design verification checklist from the Chrome integration guide.

Community slash command runbook for adding minimal automated tests around a changed module: inspect the git diff, mirror repository test conventions, and draft focused unit or integration tests using Anthropic develop-tests guidance.

Official CircleCI MCP server that lets LLMs query build and test failures, detect flaky tests, check pipeline status, fetch build logs, and validate config in CircleCI through natural language.

Official MCP server for agent-device, Callstack's device automation CLI for inspecting, controlling, debugging, recording, and collecting evidence from iOS, Android, TV, macOS, Linux, React Native, Expo, Flutter, and native apps.

Official remote MCP server for connecting Claude and other AI coding tools to Cypress Cloud runs, failures, flake data, accessibility reports, and UI Coverage results.

Mozilla-maintained MCP server for automating Firefox through WebDriver BiDi, with tools for page navigation, snapshots, UID-based input, screenshots, network requests, console messages, dialogs, history, viewport changes, optional JavaScript evaluation, privileged Firefox contexts, preferences, and WebExtension.

WebDriverIO MCP server that lets Claude automate browsers and mobile apps with navigation, clicks, typing, screenshots, accessibility snapshots, cookies, geolocation, native app sessions, and Appium-style gestures.

Browser automation MCP server and Chrome extension that lets AI applications control a connected tab in the user's existing browser profile.

Cross-platform mobile automation MCP server for iOS and Android simulators, emulators, and real devices using accessibility snapshots, screenshots, coordinate taps, app management, and input tools.

Open-source framework from OpenAI for evaluating LLM and agent behavior with reusable eval definitions, grading logic, datasets, and regression workflows.

Expert skill for reviewing Playwright trace artifacts, screenshots, action timelines, network events, retries, and CI evidence to classify flaky browser test failures without guessing from logs alone.