Best Ui AI Skills & MCP Servers

MCP server for validating, transforming, and normalizing structured data - built specifically for AI agents

Context Engineering Toolkit — generate GitHub Copilot customization files (agents, prompts, instructions, skills, hooks, MCP servers, agentic workflows) via a multi-agent AI pipeline with interactive CLI and 11 built-in templates.

Autonomous Repository Intelligence engine with web UI and MCP server. Unified semantic code understanding, local RAG, and agent working memory.

chaos-index MCP — wraps StupidAPIs (requires X-API-Key)

A Perplexity API Model Context Protocol (MCP) server that unlocks Perplexity's search-augmented AI capabilities for LLM agents. Features robust error handling, secure input validation, and transparent reasoning with the showThinking parameter. Built with

Zero-auth MCP server with everyday developer utilities: base64, UUID, hash, JWT decode, cron, timestamps, JSON, regex

Install SKILL.md files, MCP servers, and AGENTS.md guidance for any coding agent. Ships both a Node API and a CLI.

The mcp-use CLI is a tool for building and deploying MCP servers with support for ChatGPT Apps, Code Mode, OAuth, Notifications, Sampling, Observability and more.

MCP server with 12 essential developer utilities — UUID, Base64, hashing, JWT decode, JSON diff, regex test. Zero config.

Guidance Control Plane - Compiles, retrieves, enforces, and evolves guidance rules for Claude Code sessions

Magic MCP UI builder by 21st.dev

Deno runtime adapter for MCP servers built with ModelFetch

Modular library for building scalable MCP servers with NestJS, providing decorators and integration patterns as a wrapper for the official MCP TypeScript SDK.

MCP server for Agent Wallets on Sui — 9 tools (balance, send, swap, pay, …) + 8 auto-registered skill prompts, stdio transport. Drop-in for Claude Desktop, Cursor, Windsurf, Cline, Continue, or any MCP-compatible client.

Universal AI Development Platform with working MCP integration, multi-provider support, voice (TTS/STT/realtime), and professional CLI. 58+ external MCP servers discoverable, multimodal file processing, RAG pipelines. Build, test, and deploy AI applicatio

The Hashgraph Online Standards SDK provides a complete implementation of the Hiero Consensus Standards (HCS), giving developers all the tools needed to build wonderful decentralized applications on the Hashgraph network. https://hol.org

Model Context Protocol framework — MCP server hypervisor, adapter pattern, tool discovery, and adapters for Stripe, Supabase, and Vercel.

MCP server for assistant-ui documentation and examples

Terminal AI coding agent for local software development

RuvNet KB-First Application Builder - Build intelligent applications on expert knowledge

Drop-in optimization toolkit for Claude Code — 15 agents, token savings, safety hooks, UI pipeline

Model Context Protocol (MCP) server for PrimeUI Libraries

MCP stdio server for 12ui.com

CLI for MCP servers built with ModelFetch