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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.

Native

MCP Registry

MCP server for HeroUI Native component documentation via Model Context Protocol

MCP Registry · ★ 5.0free

Chromeflow

MCP Registry

MCP server for chromeflow — lets Claude Code or Codex CLI drive your real Chrome browser with sessions intact. Plugin install recommended; npx chromeflow for manual MCP wiring.

MCP Registry · ★ 5.0free

Server

MCP Registry

MCP server for Doppler API with auto-generated tools from OpenAPI specification

MCP Registry · ★ 5.0free

Mock

MCP Registry

An MCP server enabling LLMs to write integration tests through live test environment interaction

MCP Registry · ★ 5.0free

Gmail

MCP Registry

Gmail MCP server with auto authentication support

MCP Registry · ★ 5.0free

Postgres

MCP Registry

Model Context Protocol server for PostgreSQL database operations

MCP Registry · ★ 5.0free

Fdic

MCP Registry

MCP server for the FDIC BankFind Suite API

MCP Registry · ★ 5.0free

Core

MCP Registry

Protocol types and action builder for Tesseron. Transport-agnostic, validator-agnostic.

MCP Registry · ★ 5.0free

Easel

MCP Registry

A live browser tab for every Claude Code (and MCP) session. The push MCP tool appends HTML cards to a scrolling feed you keep open in split-screen.

MCP Registry · ★ 5.0free

Mcp

MCP Registry

Model Context Protocol server for makcards.online — metaphor association cards for self-reflection. Hosted at mcp.makcards.online + mcp.journalingapp.app and runnable locally via `npx @maccards/mcp`.

MCP Registry · ★ 5.0free

Sanitizer

MCP Registry

Comprehensive security sanitization library for Model Context Protocol (MCP) servers with trusted security libraries

MCP Registry · ★ 5.0free

Bitbucket Server

MCP Registry

MCP server for Bitbucket Server

MCP Registry · ★ 5.0free

Express Handler

MCP Registry

Express middleware for handling Model Context Protocol (MCP) requests

MCP Registry · ★ 5.0free

Lit Forge

MCP Registry

MCP server (19 tools): NISA/iDeCo/retirement simulation, 28-indicator market snapshot, economic release calendars (BEA/NY Fed/FRB/BLS/DOL-ETA/S&P Global/Cabinet Office/BOJ), central bank speakers (Fed/BOJ/ECB, live), latest BLS macro values (7 series), an

MCP Registry · ★ 5.0free

Claudish

MCP Registry

Run Claude Code with any model - OpenRouter, Ollama, LM Studio & local models

MCP Registry · ★ 5.0free

Agent Orchestrator

MCP Registry

Local implementation of agent-orchestrator MCP server

MCP Registry · ★ 5.0free

Vessel Browser

MCP Registry

AI-native web browser runtime for autonomous agents with human supervision

MCP Registry · ★ 5.0free

Google Workspace

MCP Registry

Google Workspace MCP Server - Model Context Protocol server providing secure access to Google Drive, Docs, Sheets, Slides, Calendar, and Gmail through MCP clients e.g. Claude Desktop

MCP Registry · ★ 5.0free

Paperless

MCP Registry

Model Context Protocol (MCP) server for interacting with Paperless-NGX document management system. Enables AI assistants to manage documents, tags, correspondents, and document types through the Paperless-NGX API.

MCP Registry · ★ 5.0free

Ha

MCP Registry

MCP server for controlling Home Assistant lights and managing scenes. Lights only by design for safety.

MCP Registry · ★ 5.0free

Mcp

MCP Registry

MuHaven MCP server — read/position/policy toolsets bridging Claude Desktop / Cursor / Claude Code to the MuHaven backend, with a sibling muhaven-broker daemon holding the session-key private half over a local IPC socket

MCP Registry · ★ 5.0free

Stdio

MCP Registry

stdio-to-HTTP MCP proxy for Grackle — bridges stdio-only MCP clients (Claude Desktop, Codex CLI, Clawpilot) to a Grackle HTTP MCP server using static API-key auth

MCP Registry · ★ 5.0free

Opnsense

MCP Registry

Modular MCP server for OPNsense firewall management - 88 tools providing access to 2000+ methods

MCP Registry · ★ 5.0free

Mcp

MCP Registry

Model Context Protocol server for Iterable API

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.