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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.

Verify

MCP Registry

Verifier library for atrib. Independent signature, graph-derivation, and settlement-recommendation checks per atrib spec §4.6.

MCP Registry · ★ 5.0free

Mcp

MCP Registry

MCP server for the Caytoo External API — search brands, sponsorship deals, and market signals from any MCP-compatible AI client

MCP Registry · ★ 5.0free

Paper Search Nodejs

MCP Registry

A Node.js MCP server for searching and downloading academic papers from multiple sources, including arXiv, PubMed, bioRxiv, Web of Science, and more.

MCP Registry · ★ 5.0free

Synapse

MCP Registry

Agent-aware app SDK for the MCP ext-apps protocol

MCP Registry · ★ 5.0free

Brick Parallel

MCP Registry

Parallel execution coordination — run tasks concurrently, collect results, merge outputs, handle timeouts.

MCP Registry · ★ 5.0free

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

Gitlab Review

MCP Registry

Node.js MCP server for GitLab code review operations with AI integration support

MCP Registry · ★ 5.0free

Workflows

MCP Registry

A Model Context Protocol server that acts as an intelligent conversation state manager and development guide for LLMs, featuring comprehensive long-term memory with persistent project artifacts

MCP Registry · ★ 5.0free

Wplab

MCP Registry

Production-grade WordPress operations toolkit for AI coding agents — default-safe wp-cli + REST + scoped fs, opt-in companion for execute-php + runtime introspection. MIT, rolepod ecosystem.

MCP Registry · ★ 5.0free

Server

MCP Registry

Model Context Protocol server for MDMagic — convert Markdown to professional DOCX, PDF, and HTML using MDMagic templates.

MCP Registry · ★ 5.0free

Atoms

MCP Registry

MCP server for ATOMS.tech — AI agent integration for requirements management

MCP Registry · ★ 5.0free

Cnes

MCP Registry

MCP server para consulta ao CNES — Cadastro Nacional de Estabelecimentos de Saúde

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

Specialists

MCP Registry

OmniSpecialist — 7-tool MCP orchestration layer powered by the Specialist System. Discover and execute .specialist.yaml files across project/user/system scopes via pi.

MCP Registry · ★ 5.0free

Vetroscope

MCP Registry

Read-only Model Context Protocol server for Vetroscope — gives LLMs context on your tracked time, projects, and goals from your local Vetroscope SQLite database.

MCP Registry · ★ 5.0free

Newsapi

MCP Registry

MCP server for NewsAPI.ai (Event Registry)

MCP Registry · ★ 5.0free

Gateway

MCP Registry

MCP server for Agon Gateway discovery, calls, Tokens market data, and generic signer-hook auth.

MCP Registry · ★ 5.0free

Hf

MCP Registry

Official Hugging Face MCP Server

MCP Registry · ★ 5.0free

Mcp

MCP Registry

Kadoa MCP Server — manage workflows from Claude Desktop, Cursor, and other MCP clients

MCP Registry · ★ 5.0free

Logosdb

MCP Registry

MCP server exposing LogosDB semantic search to Claude Code and other MCP clients

MCP Registry · ★ 5.0free

Code Graph Rca

MCP Registry

RCA infrastructure for AI-built code. Code knowledge graph + opinionated RCA engine, exposed via MCP (Cursor / Claude Code / Cody / Cline / Continue / Windsurf / Zed) plus CLI and library. RCA is the wedge; the same engine covers code review, refactor bla

MCP Registry · ★ 5.0free

Sdk

MCP Registry

Typed SDK for building FocusMCP bricks — defineBrick() helper with full type safety for tools, manifests, and bus handlers.

MCP Registry · ★ 5.0free

Mcp

MCP Registry

MCP server for GopherHole - Access AI agents from Claude Code, Cursor, and other MCP-compatible IDEs

MCP Registry · ★ 5.0free

Obsidian Second Brain

MCP Registry

MCP server for Obsidian-based second brain memory using PARA methodology

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.