Best Ar AI Skills & MCP Servers
1,581 curated Ar skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Probe
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.
Captcha
MCP server that turns PowForge pow-captcha into agent auth. Charge AI agents per-call without accounts: PoW solve = free tier, Lightning payment = paid tier. Three tools: challenge, verify, status. Stdio + HTTP Streamable transports, stdlib only — no MCP
Chat Relay
Powerful Cross-IDE Context Sharing via MCP. Persistently sync AI memories and chat sessions between Cursor, VS Code, and more.
Fmr8
MCP server for Section 8 Fair Market Rent (FMR) lookups — ZIP code search, state/county browsing, historical trends, and HUD glossary
Osc Bridge
Declarative OSC bridge for music hardware and software — 849 synthesizer drivers (MIDI/SysEx) plus DAW & live-coding targets (Ableton, Bitwig, Reaper, Sonic Pi, SuperCollider). Ships an MCP server: a MIDI MCP and OSC MCP for controlling synths and DAWs fr
Server
ASG Pay MCP Server — 18 AI agent tools for Claude, Codex, Cursor, and Gemini CLI. Create virtual cards, fund wallets, manage spending, onboard agents via Model Context Protocol.
Server
MCP server that gives coding agents typed 0xArchive market data tools across Hyperliquid (perps, HIP-3, HIP-4, spot) and Lighter.xyz
Willi Mako Client
Official TypeScript client & CLI for the Willi-Mako API v2 – OpenAI-compatible chat completions, streaming chat, EDIFACT analysis, market communication & ETL automation for German energy sector
Registry
An Open, Structured, and Standard Registry for MCP Servers and Packages.
Server Cal
Cal.com scheduling MCP server - manage bookings, event types, and availability
Pubcrawl
MCP server for PubMed literature search and US/UK drug labelling — built by PharmaTools.AI
Cv
Server implementation for integrating with Carbon Voice's API, providing tools and endpoints for voice messaging, conversations, and workspace management through MCP (Model Context Protocol)
Wikipedia
Search Wikipedia articles, read summaries and full text, target sections, find nearby pages, and list language editions via MCP. STDIO or Streamable HTTP.
Openai Responses
Lightweight MCP server (Responses API core). OpenAI integration + web_search.
Markdown Resource
MCP server that makes remote markdown files available as mcp resources
Relay
Local-first orchestration for coding agents — classify, decompose, dispatch Claude/Codex, and supervise from a dashboard.
Database
MCP server for database connectivity. Multi-DB (PostgreSQL, MySQL, SQLite), connection management, schema introspection, query execution with token-optimized responses, rollback, history, elicitation for destructive ops, and prepared statements. Zero conf
Vibecipher
VibeSecurity — Auditoria de segurança para quem cria com IA. Secrets, vulnerabilidades e rotas sem auth.
Server
Installable AgentLux MCP server and embeddable toolkit for marketplace, identity, creator, services, and social flows on Base
Overleaf
MCP server that lets AI assistants read Overleaf projects, parse LaTeX document structure, and push section-level edits back via Git.
Charlotte
Token-efficient browser MCP server — structured web pages for AI agents, not raw accessibility dumps
Driftdetect
MCP server that gives AI agents (Claude, Cursor, Copilot) deep understanding of your codebase patterns, conventions, and architecture. Query patterns, security boundaries, call graphs in real-time.
Personal Suite
Local-first personal productivity MCP server for Claude, Cursor, and any MCP client. Email, Calendar, Messaging, Search, Image Generation. BYOK, no cloud, no signup.
Src
MCP server for semantic code search and codebase analysis — Treesitter parsing, AST extraction, and embedding-based indexing for any LLM that supports MCP
About Ar skills on iClaude
iClaude is the universal install layer for AI skills. Every Ar skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.