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Best Ar AI Skills & MCP Servers

1,564 curated Ar skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.

Email Playbook

MCP Registry

MCP server and CLI exposing HTML email template rules for AI: Outlook/MSO, VML buttons, RTL, responsive tables, Gmail clipping, dark mode, and placeholders.

MCP Registry · ★ 5.0free

Tickerr

MCP Registry

Outage radar for AI agents. LLM pricing, status, inference performance, and real-time agent-reported failure signals. 9 tools. No auth required.

MCP Registry · ★ 5.0free

Electromcp

MCP Registry

Drive any Electron app from your AI. MCP server with 93 tools, 4 recipe packages (Slack/Discord/Notion/Linear), security primitives, and a CLI mirror. The testing surface area Tauri structurally cannot match.

MCP Registry · ★ 5.0free

Epoch

MCP Registry

Time Estimation MCP Server — 24 structured tools for PERT, COCOMO II, Monte Carlo, sprint forecasting, token-to-time mapping, cost estimation, schedule risk, and model comparison. Self-improving engine with estimation feedback loop. MCP + CLI + REST API.

MCP Registry · ★ 5.0free

Help Scout

MCP Registry

Search Help Scout conversations, customers, organizations, threads, and inboxes with AI assistants

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

Onebusaway

MCP Registry

Query stops, routes, real-time arrivals, vehicle positions, and schedules from OneBusAway transit APIs via MCP. STDIO or Streamable HTTP.

MCP Registry · ★ 5.0free

Orchex

MCP Registry

Autopilot AI orchestration — auto-plan, parallelize, and execute with ownership enforcement

MCP Registry · ★ 5.0free

Debugger Server

MCP Registry

Enterprise-grade MCP server providing advanced debugging capabilities for Node.js and JavaScript applications via Chrome DevTools Protocol. Features 25+ debugging tools including breakpoints, variable inspection, execution control, CPU/memory profiling, h

MCP Registry · ★ 5.0free

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

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

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

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

Specmem Hardwicksoftware

MCP Registry

Your Claude Code sessions don't have to start from scratch anymore — SpecMem gives your AI real memory. It won't forget your conversations, your code, or your architecture decisions between sessions. That's the whole point. Semantic code indexing that act

MCP Registry · ★ 5.0free

Server Cal

MCP Registry

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

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

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 for conduitAI — search, browse, and install AI tools from the conduitAI catalog

MCP Registry · ★ 5.0free

Registry

MCP Registry

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

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

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

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

Server Markdown

MCP Registry

MCP server for markdown files — search, extract sections, list headings, find code blocks across your docs directory

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.