This repository serves as a comprehensive directory for discovering various Model Context Protocol (MCP) servers, including both foundational reference implementations and official integrations from diverse companies. It is an essential resource for developers looking to explore the MCP ecosystem and find specific tools to enhance their AI agents.

A2ASearch is the only unified search engine for the rapidly expanding AI agent ecosystem. It indexes over 10,000 MCP servers, CLI tools, AI coding agents, and agent skills from various registries like GitHub and npm. It integrates seamlessly with Claude, Cursor, and other MCP clients, allowing users to discover relevant tools directly from their AI assistant. Key features include searching by keyword, getting detailed information on specific agents, and listing top agents by type and sort order. It's free, requires no authentication or API keys, and can also be used as a standalone CLI tool o