iClaude
Category

Best Protocol AI Skills & MCP Servers

2,490 curated Protocol skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.

Thunderbird Cli

MCP Registry

Low-level CLI to manage Mozilla Thunderbird email from the shell. 38 commands for search, read, compose, reply, attachments, folders, bulk ops. Designed for AI agents.

MCP Registry · ★ 5.0free

Cli

MCP Registry

MCP server + CLI for the Unified Product Graph — drop into Claude Code or use the `upg` command.

MCP Registry · ★ 5.0free

Mcp

MCP Registry

Model Context Protocol (MCP) server for the A2A (Agent2Agent) protocol compliance test kit. Lets Claude Desktop, Cursor, Codex, and other MCP clients invoke run_compliance / validate_agent_card / list_checks / explain_check / ssrf_check_url as native tool

MCP Registry · ★ 5.0free

Astro

MCP Registry

MCP server for Astro ASO (App Store Optimization) data - Access keyword rankings, historical data, and app metrics

MCP Registry · ★ 5.0free

Gitlab

MCP Registry

GitLab MCP server for projects, merge requests, issues, pipelines, wiki, releases, and more

MCP Registry · ★ 5.0free

Faithfinder

MCP Registry

MCP server for FaithFinder church discovery — lets external LLMs recommend churches, faith-based community events, and volunteer opportunities to users looking to connect with a faith community.

MCP Registry · ★ 5.0free

Recursive Thinking

MCP Registry

Token-efficient recursive thinking MCP server for AI agents. Achieve production-ready solutions through iterative refinement with 70% token reduction. Perfect for Claude, AI problem-solving, and complex task automation.

MCP Registry · ★ 5.0free

Dsers

MCP Registry

MCP server to automate DSers product import from AliExpress/Alibaba/Accio to Shopify & Wix

MCP Registry · ★ 5.0free

Trading

MCP Registry

MCP server for AI agent trading — 275+ perpetual markets including TSLA, NVDA, GOLD, SILVER via Hyperliquid HIP-3. Stocks, commodities, crypto, forex. By Purple Flea.

MCP Registry · ★ 5.0free

Server Dns

MCP Registry

MCP server for DNS lookups, reverse DNS, WHOIS, and domain checks — zero auth, zero config

MCP Registry · ★ 5.0free

Supabase

MCP Registry

Supabase runtime adapter for MCP servers built with ModelFetch

MCP Registry · ★ 5.0free

Ainative Zerodb

MCP Registry

AINative ZeroDB MCP Server - 77 operations for vector search, quantum compression, NoSQL, dedicated PostgreSQL management, files, events, RLHF, and persistent memory for AI agents with enterprise security. All tools annotated with readOnly/destructive/ide

MCP Registry · ★ 5.0free

Hrclaw Task Market Server

MCP Registry

MCP stdio server for HrClaw Market - enables OpenClaw agents to browse agents, skills, and tasks

MCP Registry · ★ 5.0free

Openalex

MCP Registry

MCP server for scholarly works, authors, and institutions via OpenAlex API

MCP Registry · ★ 5.0free

Unerr

MCP Registry

Local-first code intelligence CLI for unerr

MCP Registry · ★ 5.0free

Vmware

MCP Registry

MCP server for controlling VMware Fusion/Workstation VMs via vmrun CLI

MCP Registry · ★ 5.0free

Server Notion

MCP Registry

A Model Context Protocol (MCP) server that exposes the official Notion SDK

MCP Registry · ★ 5.0free

Arcagent

MCP Registry

ArcAgent MCP server for bounty discovery, workspace execution, and verified coding submissions

MCP Registry · ★ 5.0free

Apifox Workspace

MCP Registry

Workspace-level Apifox MCP Server for intelligent API documentation integration in Cursor AI

MCP Registry · ★ 5.0free

Init

MCP Registry

One command gives every AI editor permanent memory. Auto-detects Claude Code, Cursor, Copilot, Windsurf, Continue — writes MCP config + memory rules instantly. Free tier, no credit card.

MCP Registry · ★ 5.0free

Freeride

MCP Registry

FreeRide — Project knowledge for AI agent workflows. MCP server that gives AI coding agents persistent memory across sessions.

MCP Registry · ★ 5.0free

Fetch Node

MCP Registry

A Model Context Protocol server that provides web content fetching capabilities

MCP Registry · ★ 5.0free

Server

MCP Registry

Autonomous demo agent for SaaS products — MCP server for Claude Code, Claude Desktop, Cursor, Windsurf, and any MCP-compatible agent. Discovers, integrates, and runs AI-guided product demos. Starts in onboarding mode with no API key so the calling agent c

MCP Registry · ★ 5.0free

Remixicon

MCP Registry

Lightweight MCP server that maps icon keywords to Remix Icon metadata.

MCP Registry · ★ 5.0free

About Protocol skills on iClaude

iClaude is the universal install layer for AI skills. Every Protocol 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.