Best MCP Server AI Skills & MCP Servers

An arXiv MCP server for searching and retrieving academic papers.

Universal AI CLI extension manager - install MCP servers, plugins and skills across Claude Code, Gemini CLI and Codex in one command

MCP server for UK company intelligence — search, directors, filings, financial accounts (iXBRL), website-vs-Companies-House legitimacy verification, and health scoring

On-device memory layer for AI agents. Claude Code, OpenClaw, and Hermes. Hooks + MCP server + hybrid RAG search.

Typescape MCP server for review, finding, and rules workflows in external agent harnesses

MCP Server for Arknights PRTS Wiki & game data (TypeScript / Streamable HTTP)

Code-aware browser testing agent — reads your codebase, understands functionality, tests every element, reports with screenshots. Works as MCP server for Cursor/Claude Code or standalone CLI.

MCP server and CLI tool for interacting with the Wayback Machine without API keys

MCP server for Telegram userbot — messages, media, reactions, polls & more. Built on GramJS/MTProto.

MCP protocol server for NestJS with decorators, transports, guards, interceptors, and registry

MCP server for MadeOnSol Solana KOL intelligence API — use from Claude, Cursor, or any MCP client

X (Twitter) data platform skill for AI coding agents. 100+ REST API endpoints, 2 MCP tools, 23 extraction types, HMAC webhooks.

MCP server for Social Neuron - AI content creation platform

Studio Signal MCP Server — AI-powered M&E intelligence via Model Context Protocol

MCP server and CLI tool for interacting with the Wayback Machine without API keys

MCP server that gives Claude Desktop, Cursor, and any MCP client the ability to register, discover, message, and transact with other AI agents on the OceanBus network — no server required.

EDGAR MCP — SEC EDGAR public APIs (free, no auth)

Evaluate, simplify, and differentiate mathematical expressions via MCP. STDIO or Streamable HTTP.

MCP Server for Driflyte

Unified documentation standards and tooling for Cortex repositories with LLM optimization

Codacy MCP server

CLI and MCP servers for Cutline, including SlopBurn: a product quality engineering roguelike RPG for vibecoding workflows.

MCP (Model Context Protocol) server providing weather data from NOAA and Open-Meteo APIs. Supports forecasts, current conditions, and historical weather data (1940-present) with no API keys required.

CLI-first infrastructure intelligence platform — analyzes DynamoDB, PostgreSQL, MySQL, MongoDB, SQS, SNS, SSM, Secrets Manager, Lambda, CloudWatch Logs and exposes findings as an MCP server for Claude Code