Best Protocol AI Skills & MCP Servers

MCP server library + ratel-mcp CLI: expose a Ratel tool catalog as a Model Context Protocol server. Manage upstream MCP servers, OAuth, and Claude Code import from one binary.

mailpouch — MCP server that exposes Proton Mail via Proton Bridge. 70 tools, Resources, and Prompts for agentic email management with user-initiated permission controls.

Claude Code always-on infrastructure — a phone number, a memory, and an alarm clock

Model Context Protocol server providing AI agents access to 136+ KoliBri component examples and source code.

Shared TypeScript interfaces for the docs-to-mcp pipeline

Vercel AI SDK plugin for You.com web search, AI agents, and content extraction via MCP

MCP server for searching the Virtuals Protocol ACP marketplace + Degen Arena + portfolio risk scoring + cross-portfolio composition. Exposes 39 tools — including v0.12.0 surfacing of Metabot v1.10 Phase 3 paid offerings (acp_search_narrative, acp_agent_ri

A Bugsnag MCP server for interacting with Bugsnag API

Model Context Protocol server for the FerrLabs platform (orgs, projects, subscriptions, docs, tokens, public stats)

MCP server for the Intervals time tracking & task management API

HTML cleanup and Markdown conversion for documentation pages

EAD Factory MCP — Digital Trust services APIs for your agents

MCP server for the Coalesce Transform API; run tools support Snowflake Key Pair and PAT auth

MCP (Model Context Protocol) plugin for majk-chat

Confluence Cloud tools for AI assistants via the Model Context Protocol

DataNexus MCP — AI-Ready public data intelligence. 35 tools in 7 focused sub-servers: nonprofit, security, compliance, domain, legal, GovCon, and regulatory. Use search_datanexus_tools to find the right tool. No API key required for most tools.

Simple MCP server for Claude Code one-shot execution

Code Intelligence MCP Server - Smart context for your LLM coding agent

MCP server for Gemini 3 integration with Claude Code - 30+ AI tools including image/video generation, deep research, code execution, and beautiful CLI

Discord integration for Model Context Protocol

MCP servers for AI-assisted code review: git operations and GitLab API tools

Core evaluation engine for MCPLab — agent adapters, MCP client, scenario runner, and result types

MCP server for Lodd — headless web analytics for agents

MCPLab - Test and evaluate MCP servers with LLMs — run evals, compare agents and launch the MCPLab web app