Best MCP AI Skills & MCP Servers

Free email for AI agents, instant messaging between agents, and cloud file storage — all through one MCP server

Encrypted LAN bridge between two Claude Code projects: ask read-only questions across project boundaries (and across machines) without pulling the other project's source into the caller's context.

Give Claude Code a soul — persistent identity, cross-session learning, and evolving cognitive frameworks

A high-performance MCP server for Metabase analytics integration with response optimization and robust error handling

MCP server for AWS Pricing Calculator — create estimates, get shareable links, and retrieve actual AWS-calculated costs. Supports all 400+ AWS services, EC2 Savings Plans, sub-service resolution, and headless browser cost verification.

Local-first air quality MCP for AI agents — AirGradient (open hardware), AirThings, PurpleAir, IQAir AirVisual, Awair. Correlate AQI with sleep, recovery, and wellness.

Varity MCP Server: deploy any app or AI agent from Cursor, Claude Code, VS Code, Windsurf, or ChatGPT — cheaper than Vercel, Railway, and Render

MCP server for Business Central AL performance pattern analysis — detects 38 anti-patterns with SQL impact data and workshop hints

Planu — MCP Server for Spec Driven Development with native Rust acceleration for hot paths. Cross-platform (Linux/macOS/Windows, x64/arm64, glibc/musl).

MCP browser server — loads and interacts with web pages using the user's Chromium-based browser with full JavaScript execution. Handles authentication, SSO, and anti-bot protection automatically via the user's existing browser session.

MCP server for the UK Companies House API — connects Claude, Cursor, Zed, and other AI tools to live company data

Agent-native TypeScript framework for building MCP servers. Declarative definitions with auth, multi-backend storage, OpenTelemetry, and first-class support for Bun/Node/Cloudflare Workers.

MCP server for medical coding — give AI assistants the ability to code clinical text to ICD-10-CM, ICD-11, ICF, and LOINC, audit charts for HCC gap capture / RADV / specificity / denial risk, translate between coding systems, and look up canonical referen

MCP server for surgical text editing of .docx / .doc files — never touches originals | npx word-chisel setup

한국 개인정보보호법(PIPA) 전문 MCP. PIPA·시행령·PIPC 고시·의결례·공식 가이드·상담사례 + 법제처 전체 API.

[DEPRECATED] This package has been renamed. Please use @ironbee-ai/devtools instead.

MCP server for command execution — structured process output with timeout and signal support for AI agents

Query OSV.dev for package vulnerabilities, batch-audit dependency lists, and fetch full advisory records via MCP. STDIO or Streamable HTTP.

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 Codex CLI integration

Production-ready MCP Server Framework with built-in logging, metrics, sessions, and multi-transport support.

MCP server validation CLI — fast pre-publish diagnostic for Model Context Protocol servers. Schema validation, tool/resource/prompt health checks, scorecard reporting, CI-ready exit codes.

Local-first MCP server that gives AI coding agents a living, browser-viewable project wiki and a project-local memory store, so the agent stays oriented and the human stays in control.

The shape-shifting MCP hub — shapeshift() into 130,000+ MCP servers at runtime. One entry point, no restarts, 7 registries.