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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.

Agnix

MCP Registry

Linter for AI agent configurations. Validates SKILL.md, CLAUDE.md, hooks, MCP, and more.

MCP Registry · ★ 5.0free

Freee

MCP Registry

Model Context Protocol (MCP) server for freee API integration

MCP Registry · ★ 5.0free

Npx Fetch

MCP Registry

A CLI tool for fetching and processing content using the Model Context Protocol

MCP Registry · ★ 5.0free

Common

MCP Registry

Shared utilities for @atlassian-dc-mcp MCP servers. Not affiliated with Atlassian.

MCP Registry · ★ 5.0free

Esa

MCP Registry

Official MCP server for esa.io - STDIO transport version

MCP Registry · ★ 5.0free

Mcp

MCP Registry

Kern MCP server transpiler — compile .kern to secure MCP servers

MCP Registry · ★ 5.0free

Overmind

MCP Registry

Orchestrateur universel agents IA multi-modeles via MCP. Inclut le protocole 'Custom-Nickname' pour identifier vos agents avec des surnoms originaux (The Chaos Prophet, Shadow Sniper, etc.), l'isolation mémoire (Private Memory Context) et le support pour

MCP Registry · ★ 5.0free

Mcp

MCP Registry

Model Context Protocol server for the XRPL-Utilities portfolio: Sentinel (wallet classifier), Pulse (signal feed), Telemetry (supply + utility floor), Trust (XLS-70/80/81 directory), Vault (RWA tracker), and Flows (ETF AUM vs XRPL flow correlation). Expos

MCP Registry · ★ 5.0free

Deno

MCP Registry

Deno runtime adapter for MCP servers built with ModelFetch

MCP Registry · ★ 5.0free

Server

MCP Registry

Modular library for building scalable MCP servers with NestJS, providing decorators and integration patterns as a wrapper for the official MCP TypeScript SDK.

MCP Registry · ★ 5.0free

Agentvibes

MCP Registry

Now your AI Agents can finally talk back! Professional TTS voice for Claude Code, Claude Desktop (via MCP), and Clawdbot with multi-provider support.

MCP Registry · ★ 5.0free

Airtable

MCP Registry

An Airtable Model Context Protocol Server

MCP Registry · ★ 5.0free

Client Capabilities

MCP Registry

Index of all Model Context Protocol (MCP) clients and their capabilities

MCP Registry · ★ 5.0free

Neurolink

MCP Registry

Universal AI Development Platform with working MCP integration, multi-provider support, voice (TTS/STT/realtime), and professional CLI. 58+ external MCP servers discoverable, multimodal file processing, RAG pipelines. Build, test, and deploy AI applicatio

MCP Registry · ★ 5.0free

Postgres

MCP Registry

A Model Context Protocol (MCP) server that provides comprehensive PostgreSQL database management capabilities for AI assistants

MCP Registry · ★ 5.0free

Sdk

MCP Registry

MCP server unit testing, end to end (e2e) testing, and server evals

MCP Registry · ★ 5.0free

Atlassian

MCP Registry

MCP server for Atlassian (Confluence and Jira) integration

MCP Registry · ★ 5.0free

Bitbucket

MCP Registry

MCP server for Bitbucket API integration - supports both Cloud and Server

MCP Registry · ★ 5.0free

Mcp

MCP Registry

Dynamically generate CLI commands from MCP server tools

MCP Registry · ★ 5.0free

Server

MCP Registry

KERN MCP server — compile, review, and analyze .kern files via MCP

MCP Registry · ★ 5.0free

Agentcash

MCP Registry

Generic MCP server for calling x402-protected APIs with automatic payment handling

MCP Registry · ★ 5.0free

Octocode

MCP Registry

Model Context Protocol (MCP) server for advanced GitHub repository analysis and code discovery. Provides AI assistants with powerful tools to search, analyze, and understand codebases across GitHub.

MCP Registry · ★ 5.0free

Cclsp

MCP Registry

MCP server for accessing LSP functionality

MCP Registry · ★ 5.0free

Bitbucket

MCP Registry

Model Context Protocol (MCP) server for Bitbucket Cloud and Server API integration

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.