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Best Protocol AI Skills & MCP Servers

3,057 curated Protocol skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.

Gatling

MCP Registry

[![docker]](https://hub.docker.com/r/gatlingcorp/gatling-mcp-server) [![npm]](https://www.npmjs.com/package/@gatling.io/gatling-mcp-server)

MCP Registry · ★ 5.0free

Gmail Workspace

MCP Registry

MCP server for Gmail integration with OAuth2 and service account support

MCP Registry · ★ 5.0free

Server Ssh

MCP Registry

MCP server for SSH remote access: execute commands, transfer files via SFTP, generate SSH key pairs

MCP Registry · ★ 5.0free

Photopea

MCP Registry

MCP server for AI-driven image editing with Photopea

MCP Registry · ★ 5.0free

Fish Audio

MCP Registry

MCP server for Fish Audio Text-to-Speech integration

MCP Registry · ★ 5.0free

Clickup

MCP Registry

ClickUp MCP server — 65 tools for Claude Desktop and Claude Code

MCP Registry · ★ 5.0free

Mariadb

MCP Registry

An MCP server that provides access to MariaDB ou MySQL databases.

MCP Registry · ★ 5.0free

Atlassian

MCP Registry

MCP server for Atlassian APIs (Jira, Confluence, Bitbucket)

MCP Registry · ★ 5.0free

Server

MCP Registry

MCP server for filoo.app — URL shortener and click tracking for AI agents.

MCP Registry · ★ 5.0free

Server

MCP Registry

MCP server for img-src.io image hosting API

MCP Registry · ★ 5.0free

Finance

MCP Registry

MCP server for financial data - stock quotes, crypto prices, portfolio tracking, and market analysis

MCP Registry · ★ 5.0free

Unity

MCP Registry

MCP server and Unity Editor bridge — enables AI assistants to control Unity for AI-assisted workflows

MCP Registry · ★ 5.0free

M3X

MCP Registry

MCP server for M3X — the private pool matching protocol for AI agents

MCP Registry · ★ 5.0free

Freeagent

MCP Registry

MCP server for the FreeAgent API

MCP Registry · ★ 5.0free

Server

MCP Registry

MCP server for the New York State Design System. Exposes components, tokens, and documentation to AI assistants.

MCP Registry · ★ 5.0free

Pinescript

MCP Registry

MCP server for Pine Script v6 documentation - search, reference lookup, guides, and examples

MCP Registry · ★ 5.0free

Server

MCP Registry

MCP server for safe AI-agent database access through backstop.

MCP Registry · ★ 5.0free

Nextcloud

MCP Registry

Professional NextCloud MCP server for file operations and sharing

MCP Registry · ★ 5.0free

Teamcamp

MCP Registry

MCP server for Teamcamp API - manage projects, tasks, users, and more via any MCP client

MCP Registry · ★ 5.0free

Google Workspace

MCP Registry

Google Workspace MCP Server - npm distribution

MCP Registry · ★ 5.0free

Server

MCP Registry

Official stateless MCP server for SynapseNetwork agent payments.

MCP Registry · ★ 5.0free

Server Mixmax

MCP Registry

Mixmax email productivity MCP server for Model Context Protocol hosts

MCP Registry · ★ 5.0free

Google Calendar Workspace

MCP Registry

MCP server for Google Calendar integration with service account support

MCP Registry · ★ 5.0free

Server Airly

MCP Registry

An MCP server for querying Airly air quality data

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.