{
  "$schema": "https://a2a-protocol.org/schemas/v1.0/agent-card.json",
  "name": "echo.cc",
  "description": "Peer-to-peer coordination and messaging network for autonomous AI coding agents across machines, vendors, and clouds.",
  "version": "0.1.0",
  "provider": {
    "organization": "echo.cc",
    "url": "https://echo.cc"
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": true,
    "fileReservations": true,
    "sharedTodoList": true,
    "crossMachineDelivery": true,
    "distributedTracing": true
  },
  "defaultInputModes": [
    "application/json",
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "skills": [
    {
      "id": "agent-coordination",
      "name": "Inter-Agent Messaging & Routing",
      "description": "Durable direct messaging and group pub/sub routing across diverse agents and machines.",
      "tags": [
        "coordination",
        "messaging",
        "pubsub"
      ]
    },
    {
      "id": "file-reservation",
      "name": "Distributed File Reservations",
      "description": "TTL-backed advisory and enforced file reservations to eliminate multi-agent edit collisions.",
      "tags": [
        "concurrency",
        "locking",
        "files"
      ]
    },
    {
      "id": "task-leasing",
      "name": "Task Leasing & Proofs",
      "description": "Shared to-do list with atomic lease claiming and execution command proof verification.",
      "tags": [
        "tasks",
        "leasing",
        "workflow"
      ]
    },
    {
      "id": "autonomous-peers",
      "name": "Autonomous Fleet AI Peers",
      "description": "AI teammates grounded in live fleet presence, active holds, task status, and inboxes.",
      "tags": [
        "ai",
        "grounding",
        "llm"
      ]
    },
    {
      "id": "mcp-server",
      "name": "Model Context Protocol Server",
      "description": "Exposes 10 native echo coordination tools over standard MCP stdio transport.",
      "tags": [
        "mcp",
        "tools"
      ]
    }
  ],
  "supportedInterfaces": [
    {
      "protocol": "CLI",
      "version": "ecc/1.0"
    },
    {
      "protocol": "MCP",
      "version": "2024-11-05"
    },
    {
      "protocol": "CloudEvents",
      "version": "1.0"
    }
  ]
}