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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 Registry

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.

MCP Registry · ★ 5.0free

Captcha

MCP Registry

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

MCP Registry · ★ 5.0free

Chat Relay

MCP Registry

Powerful Cross-IDE Context Sharing via MCP. Persistently sync AI memories and chat sessions between Cursor, VS Code, and more.

MCP Registry · ★ 5.0free

Fmr8

MCP Registry

MCP server for Section 8 Fair Market Rent (FMR) lookups — ZIP code search, state/county browsing, historical trends, and HUD glossary

MCP Registry · ★ 5.0free

Osc Bridge

MCP Registry

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

MCP Registry · ★ 5.0free

Server

MCP Registry

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.

MCP Registry · ★ 5.0free

Server

MCP Registry

MCP server that gives coding agents typed 0xArchive market data tools across Hyperliquid (perps, HIP-3, HIP-4, spot) and Lighter.xyz

MCP Registry · ★ 5.0free

Willi Mako Client

MCP Registry

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

MCP Registry · ★ 5.0free

Registry

MCP Registry

An Open, Structured, and Standard Registry for MCP Servers and Packages.

MCP Registry · ★ 5.0free

Server Cal

MCP Registry

Cal.com scheduling MCP server - manage bookings, event types, and availability

MCP Registry · ★ 5.0free

Pubcrawl

MCP Registry

MCP server for PubMed literature search and US/UK drug labelling — built by PharmaTools.AI

MCP Registry · ★ 5.0free

Cv

MCP Registry

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)

MCP Registry · ★ 5.0free

Wikipedia

MCP Registry

Search Wikipedia articles, read summaries and full text, target sections, find nearby pages, and list language editions via MCP. STDIO or Streamable HTTP.

MCP Registry · ★ 5.0free

Openai Responses

MCP Registry

Lightweight MCP server (Responses API core). OpenAI integration + web_search.

MCP Registry · ★ 5.0free

Markdown Resource

MCP Registry

MCP server that makes remote markdown files available as mcp resources

MCP Registry · ★ 5.0free

Relay

MCP Registry

Local-first orchestration for coding agents — classify, decompose, dispatch Claude/Codex, and supervise from a dashboard.

MCP Registry · ★ 5.0free

Database

MCP Registry

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

MCP Registry · ★ 5.0free

Vibecipher

MCP Registry

VibeSecurity — Auditoria de segurança para quem cria com IA. Secrets, vulnerabilidades e rotas sem auth.

MCP Registry · ★ 5.0free

Server

MCP Registry

Installable AgentLux MCP server and embeddable toolkit for marketplace, identity, creator, services, and social flows on Base

MCP Registry · ★ 5.0free

Overleaf

MCP Registry

MCP server that lets AI assistants read Overleaf projects, parse LaTeX document structure, and push section-level edits back via Git.

MCP Registry · ★ 5.0free

Charlotte

MCP Registry

Token-efficient browser MCP server — structured web pages for AI agents, not raw accessibility dumps

MCP Registry · ★ 5.0free

Driftdetect

MCP Registry

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.

MCP Registry · ★ 5.0free

Personal Suite

MCP Registry

Local-first personal productivity MCP server for Claude, Cursor, and any MCP client. Email, Calendar, Messaging, Search, Image Generation. BYOK, no cloud, no signup.

MCP Registry · ★ 5.0free

Src

MCP Registry

MCP server for semantic code search and codebase analysis — Treesitter parsing, AST extraction, and embedding-based indexing for any LLM that supports MCP

MCP Registry · ★ 5.0free

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.