Best Protocol AI Skills & MCP Servers

MCP Thin Client for Orchestrator - delegates to REST API

Unified email MCP server — operate any inbox (Outlook now, IMAP/Gmail later) by passing an email address.

Model Context Protocol server adapter for KickJS — expose @Controller endpoints as MCP tools

Directional crypto market intelligence MCP with x402 payments, decision guidance, and built-in outcome verification

MCP server for self-hosted Jira instance with Personal Access Token authentication

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

MCP server for inter-Claude-Code session communication bridge

MCP server for Leadloadz B2B lead search and email verification

A Model Context Protocol (MCP) server implementation for the Linear GraphQL API that enables AI assistants to interact with Linear project management systems.

End-to-end encrypted memory for AI agents — portable, yours forever. MCP server with XChaCha20-Poly1305 E2EE, semantic search, import/export, and on-chain storage

MCP server for the Peer-Voice plugin. Single tool voice_create(text|segments, voice?, mode?, engine?) synthesizes a ready-to-send .ogg/opus voice file. Engine routing with fallback inside the tool: Gemini 3.1 Flash TTS primary (ru+en single pass), Superto

MCP server for Windows system administration: Services, Event Viewer, Task Scheduler, and more

Multi-LLM MCP server: confer / debate / coordinate / audit / orchestrate across Anthropic + OpenAI + xAI + Gemini + Mistral + Groq + DeepSeek, with scoreboard-driven router, canary-leak detection, sandboxed shell verifiers, and a tier-aware cheap-mode pic

Stop your AI agent from over-paying for the wrong model. Cost-aware model routing, model-specific prompt optimization (Midjourney, Flux, SD), and pre-flight lint for 80+ generative AI models. Saves 40-70% on agent-driven generation workloads.

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

Yahoo Finance MCP Server - Real-time stock data, company info, financial statements, and market analysis via Model Context Protocol

MCP server for forked.online — let AI agents (Claude Code, Hermes, etc.) read and write work items, todos, activities, and threads in your forked.online workspace.

Merlin - The Ultimate AI Brain for Claude Code, Codex, and other AI CLIs. One install: workflows, agents, loop, and Sights MCP server.

MCP Orchestrator - Discover and install MCPs with automatic OAuth support. Uses Claude CLI for OAuth MCPs (Canva, Asana, etc). 34 trusted MCPs from Claude Partners.

OpenCodeHub — Priority-1 scanner wrappers (semgrep, betterleaks, osv-scanner, bandit, biome)

Official Helius MCP Server - Complete Solana blockchain data access for AI assistants

MCP server for managing AI agents on the AnroAgents platform

Unofficial local-first Strava MCP server for AI training and performance agents.

Model Context Protocol server for Healix — lets AI agents observe and control live wdio-healix-service test sessions