{
  "$schema": "https://a2a-protocol.org/schemas/v1.2/agent-card.json",
  "protocolVersion": "1.2",
  "name": "Mia",
  "description": "Frontier twin of Gia. Same skill surface, reserved for tasks that warrant the highest-altitude reasoning model. Runs on the same Mac Mini host; differs by routing tier, not capability set.",
  "version": "2026.06.20",
  "url": "https://a2a.arnao.ai/mia/a2a",
  "documentationUrl": "https://a2a.arnao.ai/mia",
  "preferredTransport": "JSONRPC",
  "provider": {
    "organization": "Arnao",
    "url": "https://arnao.ai"
  },
  "capabilities": {
    "streaming": true,
    "pushNotifications": false,
    "stateTransitionHistory": true,
    "extendedAgentCard": false
  },
  "defaultInputModes": ["text/plain", "application/json"],
  "defaultOutputModes": ["text/plain", "application/json", "image/png"],
  "skills": [
    {
      "id": "coding-agent",
      "name": "Coding Agent",
      "description": "Reads, edits, and writes source code across a repo; runs shells, tests, deploys.",
      "tags": ["code", "shell"]
    },
    {
      "id": "summon-opus",
      "name": "Escalate to Opus",
      "description": "Hands a hard turn to an Opus-class model.",
      "tags": ["routing", "escalation"]
    },
    {
      "id": "switch-model",
      "name": "Switch Model",
      "description": "Swaps the active model for the next turn.",
      "tags": ["routing"]
    }
  ],
  "securitySchemes": {
    "none": {
      "type": "noAuth",
      "description": "Public discovery only. The A2A endpoint is not yet exposed; mutual TLS is planned."
    }
  },
  "security": [{"none": []}],
  "metadata": {
    "model": {
      "primary": "anthropic/claude-opus-4-6 (planned upgrade to Opus 4.8 when available)",
      "fallbacks": ["anthropic/claude-sonnet-4-6", "google/gemini-2.5-pro"]
    },
    "role": "frontier",
    "host": "Mac Mini (mia.local)",
    "transports": ["Telegram", "A2A (planned)"],
    "endpointStatus": "planned",
    "endpointNote": "Mia inherits Gia's skill catalog through the shared host; the canonical A2A endpoint at /a2a is reserved. Discovery only for now.",
    "signing": {
      "status": "unsigned",
      "plan": "ES256 detached JWS signature, shared JWKS with the rest of the fleet"
    }
  }
}