Best Protocol AI Skills & MCP Servers

Shared Zod schemas and TypeScript types for the mpak registry

Spec-driven toolkit for AI agents — skills, rules & prompts via MCP

MCP server for Desktop Insights — look up SDKs, frameworks, and dependencies used by 12,000+ macOS and Windows desktop applications

OpenTelemetry instrumentation for MCP servers

The Autonomous Brain for your codebase — compiled architectural knowledge for AI-assisted development.

Traseq MCP server, CLI, and SDK for AI-assisted trading strategy research, SignalGraph authoring, validation, backtesting workflows, and system template composition.

A comprehensive Model Context Protocol (MCP) server that provides web performance auditing, accessibility testing, SEO analysis, security assessment, and Core Web Vitals monitoring using Google Lighthouse. Enables LLMs and AI agents to perform detailed we

MCP server for ProjectsFlow — gives Claude Code access to your project credentials and kanban tasks

Developer tools — loads shell, sandbox, batch for command execution and scripting.

High-performance API and Model Context Protocol (MCP) server for validating Mermaid diagrams with comprehensive security features, multiple transport options, and enterprise-grade capabilities

Read files — full, head, tail, line range, encoding detection.

MCP server for atrib. Lets agents supersede a prior signed position with a stated reason. Adds a REVISES graph edge so the contradiction is a first-class node rather than a silent edit.

TypeScript SDK and CLI for the MCP Gateway — auth, agents, tool calling, and x402 payments

MCP server for n8n API integration

MCP Gateway for exposing VAT agents through Model Context Protocol

日本の官公需入札情報をMCPで検索・分析。Japan government procurement bid search and AI analysis through the Model Context Protocol.

Anti-detection browser MCP server for AI agents — navigate, interact, and automate the web without getting blocked

ContextStream MCP server - v0.4.x with consolidated domain tools (~11 tools, ~75% token reduction). Code context, memory, search, and AI tools.

Self-evolving AI agent orchestration framework with Model Context Protocol support

Model Context Protocol (MCP) server for Zephyr Scale test case management with comprehensive STEP_BY_STEP, PLAIN_TEXT, and BDD support

Complete filesystem operations — loads fileread, filewrite, filelist, fileops, filesearch.

File comparison — diff, patch, delta between files or versions.

Mercury Banking MCP server with full Invoicing API support — accounts, transactions, recipients, customers, invoices (one-shot + recurring), webhooks.

Safari browser automation for AI agents — native macOS, zero Chrome overhead. 80 tools via AppleScript + JavaScript.