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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.

Server

MCP Registry

MCP server for Workjournal — exposes tools for creating, searching, and listing journal entries from any MCP-compatible AI agent.

MCP Registry · ★ 5.0free

Agentinit

MCP Registry

CLI tool and library for managing AI coding agents and verifying MCP servers

MCP Registry · ★ 5.0free

Server

MCP Registry

SURA MCP server - search, read, and edit your research workspace from any AI assistant

MCP Registry · ★ 5.0free

Fred

MCP Registry

Federal Reserve Economic Data (FRED) MCP Server - Access all 800,000+ economic time series with search, browse, and data retrieval capabilities

MCP Registry · ★ 5.0free

Matryoshka Rlm

MCP Registry

Recursive Language Model - Process documents larger than LLM context windows

MCP Registry · ★ 5.0free

Mcp

MCP Registry

VibeCheck MCP — the code intelligence layer for AI-built software, wired into your agent. Truth-grounded, runtime-aware, multi-agent. 16+ verification engines, runtime probes, and live truthpack context for Cursor, Claude, Windsurf, and any MCP-compatible

MCP Registry · ★ 5.0free

Mcp

MCP Registry

MCP server for Harmony Kanban board - enables AI coding agents to manage your boards

MCP Registry · ★ 5.0free

Sciverse

MCP Registry

Sciverse MCP server — exposes academic paper retrieval (search_papers / semantic_search / read_content) to MCP-compatible coding agents (Claude Code, Cursor, Codex CLI, Windsurf, ...).

MCP Registry · ★ 5.0free

Shared

MCP Registry

Shared utilities for cz-agents MCP servers — IČO/DIČ validation, HTTP helpers, rate limiter, billing primitives

MCP Registry · ★ 5.0free

Scholar Sidekick

MCP Registry

MCP server for Scholar Sidekick — resolve any scholarly identifier (DOI, PMID, PMCID, ISBN, arXiv, ISSN, ADS, WHO IRIS) into 10,000+ CSL styles or nine export formats, single or batch, plus retraction (Crossref / Retraction Watch), open-access (Unpaywall)

MCP Registry · ★ 5.0free

Datadog

MCP Registry

MCP server for Datadog API - monitors, logs, metrics, traces, dashboards and more

MCP Registry · ★ 5.0free

Component Library

MCP Registry

MCP server for the Cooper Component Library. Provides component documentation, prop inspection, color palette info, and scaffolding tools for AI assistants.

MCP Registry · ★ 5.0free

Better Icons

MCP Registry

MCP server for searching and retrieving icons from 200+ icon libraries powered by Iconify

MCP Registry · ★ 5.0free

Mcp

MCP Registry

BlockRun MCP Server - Give your AI agent web search, deep research, prediction markets, crypto data, X/Twitter intelligence. Paid via x402 micropayments.

MCP Registry · ★ 5.0free

Karea

MCP Registry

MCP server for Karea task management — use with Claude Code, Cursor, or any MCP-compatible client

MCP Registry · ★ 5.0free

Agent

MCP Registry

Agent middleware for atrib. Interceptor plus framework adapters for MCP attribution. Supports raw SDK, Claude Agent SDK, Cloudflare Agents, Vercel AI SDK, LangChain JS.

MCP Registry · ★ 5.0free

Docs To Chunker

MCP Registry

Heading-aware Markdown chunking for documentation embeddings

MCP Registry · ★ 5.0free

Vibe Hnindex

MCP Registry

MCP server for indexing and searching codebases with keyword + semantic search. Works with Claude, Cursor, Windsurf, Antigravity.

MCP Registry · ★ 5.0free

Imap Rest Mailcow

MCP Registry

Stateless REST facade for IMAP, designed as a third-party addon for mailcow-dockerized. Optional Mistral OCR for attachments.

MCP Registry · ★ 5.0free

Logger

MCP Registry

Transport-aware logging library for MCP (Model Context Protocol) servers

MCP Registry · ★ 5.0free

Gfw Cli

MCP Registry

MCP server for Global Fishing Watch data — vessel search, events, fishing hours, and region lookups

MCP Registry · ★ 5.0free

Agent Guard

MCP Registry

Open-source CLI scanner for risky MCP server and AI agent tool configuration.

MCP Registry · ★ 5.0free

Anvisa Bulario

MCP Registry

MCP server para consulta do Bulário Eletrônico da ANVISA via CSV oficial

MCP Registry · ★ 5.0free

Codegraph

MCP Registry

Live, queryable knowledge graph for your codebase. Indexes JS/TS into an embedded graph DB with embeddings and exposes an MCP server Claude Code and Cursor can call.

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.