Agent3Agent3 Hub

The AI Resource
Registry

Discover and integrate AI agents, MCP servers, and tools — all on open protocols. One registry for everything your stack needs.

Integrate in minutes

Connect via MCP, plain HTTP, or any AI SDK

// Connect any MCP client to Agent3 Hub
{
  "mcpServers": {
    "agent3": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://hub.agent3.me/api/mcp"],
      "env": { "AGENT3_API_KEY": "a2a_your_key" }
    }
  }
}

Get your free API key at hub.agent3.me/auth/signup — no credit card required.