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Best Protocol AI Skills & MCP Servers

3,032 curated Protocol skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.

Oracle Database

MCP Registry

Model Context Protocol (MCP) server for database queries - enables AI assistants like GitHub Copilot to execute read-only SQL queries against Oracle databases

MCP Registry · ★ 5.0free

Sdk

MCP Registry

A lightweight MCP client library for TypeScript with durable sessions across Redis, Supabase, Neon, and SQLite, cross-runtime agent support, and dynamic tool discovery to reduce LLM context usage.

MCP Registry · ★ 5.0free

Oauth2 Proxy

MCP Registry

Local stdio MCP proxy to OAuth2-protected MCP servers (client_credentials, authorization_code+PKCE).

MCP Registry · ★ 5.0free

Mcp

MCP Registry

Skyramp MCP (Model Context Protocol) Server - AI-powered test generation and execution

MCP Registry · ★ 5.0free

Tanstack Start

MCP Registry

MCP (Model Context Protocol) integration for TanStack Start

MCP Registry · ★ 5.0free

Mercury Invoicing

MCP Registry

Mercury Banking MCP server with full Invoicing API support — accounts, transactions, recipients, customers, invoices (one-shot + recurring), webhooks.

MCP Registry · ★ 5.0free

Agentvault

MCP Registry

MCP Server for agent-settlement-protocol

MCP Registry · ★ 5.0free

Goat Network

MCP Registry

MCP server for GOAT Network — the Bitcoin L2. EVM-compatible JSON-RPC access (blocks, txs, balances, contract reads, logs) for any AI agent.

MCP Registry · ★ 5.0free

Ai Cli

MCP Registry

Run Claude, Codex, Gemini, Forge, and OpenCode CLIs through MCP with background jobs

MCP Registry · ★ 5.0free

Scholar Feed

MCP Registry

MCP server for Scholar Feed: search 600,000+ CS/AI/ML papers with LLM-powered analysis

MCP Registry · ★ 5.0free

Epimethian

MCP Registry

Confluence Cloud tools for AI assistants via the Model Context Protocol

MCP Registry · ★ 5.0free

Mcp

MCP Registry

Garden planning MCP server. 5,006 curated crops across 14 categories with frost-anchored planting windows, 120 crops carrying climate-specific modifiers across 6 climate types, 1,004 companion relationships, 12 rotation families, 102 succession planting c

MCP Registry · ★ 5.0free

Arc Skills Deploy

MCP Registry

CLI to deploy a11y skills and MCP servers across IDEs

MCP Registry · ★ 5.0free

Cli

MCP Registry

One config to rule them all — sync MCP servers, skills, and AGENTS.md across Codex, Claude Code/Desktop, Gemini CLI, Cursor, Copilot VS Code/CLI, Antigravity, Windsurf, OpenCode, and Junie.

MCP Registry · ★ 5.0free

Matryoshka Rlm

MCP Registry

Recursive Language Model - Process documents larger than LLM context windows

MCP Registry · ★ 5.0free

Cli

MCP Registry

Configurable tool bundle for AI coding agents — use via MCP server, CLI, or agent skills. npm wrapper for the Rust binary.

MCP Registry · ★ 5.0free

Localant

MCP Registry

LocalAnt — Use ChatGPT as the brain and your local computer as the hands. A safe, permissioned local MCP Gateway for ChatGPT.

MCP Registry · ★ 5.0free

Mcp

MCP Registry

Universal MCP server for Hex Core — runs on Claude Code, Cursor, Continue, Gemini CLI, ChatGPT Desktop, and Zed. 13 tools over the component registry. Thin transport shell — pure-function builders live in @hex-core/payload.

MCP Registry · ★ 5.0free

Mcp

MCP Registry

TubeAlfred YouTube MCP server. Stdio bridge to the hosted streamable-HTTP MCP at mcp.tubealfred.com — install in Claude Desktop, Cursor, Continue, or any MCP client.

MCP Registry · ★ 5.0free

Mcpcosmosdb

MCP Registry

MCP CosmosDB - Azure CosmosDB MCP Server for database analysis and operations

MCP Registry · ★ 5.0free

Zephex

MCP Registry

Zephex MCP — codebase intelligence tools for AI coding agents. stdio server that runs locally, reads your project files, and proxies AI calls to the Zephex backend.

MCP Registry · ★ 5.0free

Mcp

MCP Registry

MCP server for HostStack — manage projects, services, deploys, databases, domains, DNS records, env vars, and cron jobs from any MCP-capable agent.

MCP Registry · ★ 5.0free

Skilling

MCP Registry

Skilling MCP — portable context engine (list / suggest_skills / begin_task / end_task)

MCP Registry · ★ 5.0free

At Explore

MCP Registry

MCP server for AT Protocol exploration tools

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.