Best Tes AI Skills & MCP Servers

MCP server for Bazel — structured build and test output for AI agents

AI-native MCP server for business management — invoices, expenses, deposits, clients, products, quotes, webhooks, CRM. 62 tools. Remote endpoint at mcp.frihet.io (zero install). Works with Claude, Cursor, Windsurf, Cline.

MCP server for .NET — structured build, test, and package data for AI agents

MCP server for Deno — structured run, test, lint, and fmt output for AI agents

MCP server for Swift — structured build, test, and package manager data for AI agents

Search bills, legislators, committees, and events across all 50 US states, DC, and Puerto Rico via MCP. STDIO or Streamable HTTP.

MCP server with 45 developer utilities (16 free + 29 pro). Free: UUID, hash, HMAC, base64, timestamps, JWT decode, random strings, URL encode/decode, JSON format, YAML/JSON convert, regex test, cron explain, color convert, HTTP status, slugify, HTML escap

STOMP — MCP server for the Apple App Store Connect API. 162 tools for managing iOS/macOS apps, TestFlight, builds, in-app purchases, subscriptions, certificates, App Store submissions, analytics, Game Center, Xcode Cloud, and more.

Drive any Electron app from your AI. MCP server with 93 tools, 4 recipe packages (Slack/Discord/Notion/Linear), security primitives, and a CLI mirror. The testing surface area Tauri structurally cannot match.

MCP Server for Spec-Driven Development - Create and manage SDD test specifications with tasks, logs, and acceptance criteria

Query stops, routes, real-time arrivals, vehicle positions, and schedules from OneBusAway transit APIs via MCP. STDIO or Streamable HTTP.

MCP server for CMake — structured configure and build output for AI agents

MCP server for Adobe Commerce / Magento 2 developer documentation. Gives AI assistants (Claude, Cursor, Cline, Windsurf) direct access to developer.adobe.com/commerce — PHP modules, GraphQL, REST API, PWA Studio, App Builder, extensibility, MFTF testing,

Xiaohongshu (rednote / 小红书) MCP server for Claude Desktop, Cursor and AI agents — search, read, comment, like and publish notes via npx. Node.js + Playwright port of xiaohongshu-mcp.

MCP server for cryptographic AI agent governance. Seal policy artifacts, enforce at runtime, prove with signed receipts and offline-verifiable evidence bundles.

Signaliz MCP server for Claude Code - GTM Kernel, Nango routes, async enrichment, and operating tools.

Local web Studio for testing natural-language-to-JSON workflows with JSON Contracts.

Argus — AI-powered automated dev-testing platform using Chrome DevTools MCP and Claude Code

MCP Server for Claude Code, Cursor, Cline, Copilot, Github Copilot, Windsurf - Visual AI Agent Plan Execution, Approval Workflow, Plan Visualization, Agent Orchestration. See what your AI is thinking before it writes code. Works with Claude, GPT, Gemini,

MCP server that annotates any web page with hover labels — zero extensions, any browser

Licium SDK — search resources, delegate to agents, run sandbox tests, connect to MCP servers dynamically

Test your MCP servers for breaking changes. Checks capabilities, invokes tools, detects schema drift between versions.

The most comprehensive ServiceNow MCP server — 400+ tools across all modules. Integrates with Claude, ChatGPT, Gemini, Cursor, GitHub Copilot and any LLM.

Beautiful visual workspace manager for Claude Code. Access 136+ professional templates, automate workflows with hooks, and manage your AI development environment through an elegant web interface.