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Best Protocol AI Skills & MCP Servers

2,548 curated Protocol skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.

Pondlog

MCP Registry

Aggregate MCP server. One tool call returns a unified nature briefing covering birds, wildlife, plants, tides, streamflow, night sky, phenology, and (via @cropgraph/core) the day's planting plan.

MCP Registry · ★ 5.0free

Imap Rest Mailcow

MCP Registry

Stateless REST facade for IMAP, designed as a third-party addon for mailcow-dockerized. Optional Mistral OCR for attachments.

MCP Registry · ★ 5.0free

Brain Os

MCP Registry

MCP server for operational state across AI agents. Decisions, plans, blockers, and project state that survive across sessions.

MCP Registry · ★ 5.0free

Qiloback

MCP Registry

QiloBack MCP server — orchestrate the QiloBack platform from any MCP-compatible AI client (Claude Desktop, Claude Code, Cursor, Windsurf, ChatGPT Desktop). Spawns the Python qiloback-mcp package; uvx is the recommended runtime.

MCP Registry · ★ 5.0free

Frame

MCP Registry

The open format for live, evidence-backed datasets — protocol, CLI, and curation MCP server.

MCP Registry · ★ 5.0free

Java Backend Suite

MCP Registry

Complete MCP suite for Java backend developers — database analysis, JVM diagnostics, migration risk, Spring Boot actuator analysis, and Redis diagnostics

MCP Registry · ★ 5.0free

Command Center

MCP Registry

Local MCP server hosting named, parameterized cross-MCP workflows. Phase 1: LinkedIn reporting pack.

MCP Registry · ★ 5.0free

Chartjs

MCP Registry

A Model Context Protocol server for generating beautiful charts using Chart.js v4. Perfect for Claude Desktop, Cursor, and other MCP clients.

MCP Registry · ★ 5.0free

Substack

MCP Registry

Read and publish to Substack via MCP — single Rust binary, no Node.js runtime.

MCP Registry · ★ 5.0free

Mcp

MCP Registry

Clamp MCP server. Analytics tools for AI agents — traffic, breakdowns, pages, engagement, events, errors, revenue, sessions, funnels, cohorts, alerts. Stdio for local agents and HTTP for remote.

MCP Registry · ★ 5.0free

Testrail

MCP Registry

Model Context Protocol (MCP) server for TestRail integration, enabling LLMs to fetch test cases and metadata.

MCP Registry · ★ 5.0free

Template Linux Arm64

MCP Registry

Template MCP Server - Basic Model Context Protocol implementation, for linux on arm64

MCP Registry · ★ 5.0free

Super Investor

MCP Registry

MCP server for Super Investor — query superinvestor 13F portfolios, insider transactions, and stock holdings from SEC EDGAR

MCP Registry · ★ 5.0free

Mcp

MCP Registry

MCP server with HTML Bricks (hb-*) web component catalog resources and tools for agentic IDEs.

MCP Registry · ★ 5.0free

Server

MCP Registry

Model Context Protocol server for the dotPerson Memory Layer. Lets Claude Code (and other MCP hosts) read and append to the intelligence's own .person persona via the deployed relay. Bundles the personkit-stop-hook (Stop event) and personkit-session-start

MCP Registry · ★ 5.0free

Fitbit Unofficial

MCP Registry

Unofficial local-first Fitbit MCP server for AI health, sleep and activity agents.

MCP Registry · ★ 5.0free

N8N Ops

MCP Registry

Ops-focused n8n tools for any MCP-compatible client: workflow + execution lifecycle (create, save, archive, delete, cancel, retry single + batch), tag management, security audit, plus composed scanners (find-by-node-type, execution-stats). MCP server + fi

MCP Registry · ★ 5.0free

Fal Ai

MCP Registry

Model Context Protocol (MCP) server for fal.ai - interact with AI models through Claude and other MCP clients. Now with Platform API v1 support!

MCP Registry · ★ 5.0free

Agent Harness Sdk

MCP Registry

Primitives for building agent harnesses: tools, guards, checks, hooks, observability.

MCP Registry · ★ 5.0free

Duckdb Native

MCP Registry

Native Node.js/TypeScript implementation of DuckDB MCP extension

MCP Registry · ★ 5.0free

Unifi Network

MCP Registry

MCP server for the UniFi Network API

MCP Registry · ★ 5.0free

Archipel

MCP Registry

MCP server providing Archipel platform knowledge - documentation, query patterns, and coding conventions - to AI development tools.

MCP Registry · ★ 5.0free

Indian Stock Exchange

MCP Registry

A powerful Model Context Protocol (MCP) server providing comprehensive financial data for stocks listed on BSE and NSE

MCP Registry · ★ 5.0free

Powerautomate

MCP Registry

MCP server for Microsoft Power Automate - AI-assisted flow creation and management

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.