{
  "uri": "https://vqx.zlapp.app/extensions/vqx/0.3",
  "name": "VQX",
  "version": "0.3",
  "status": "experimental",
  "official_a2a_standard": false,
  "description": "Optional A2A extension for negotiated compact semantic byte transport. VQX does not replace A2A and is not required.",
  "manifest": "https://vqx.zlapp.app/.well-known/vqx.json",
  "params_schema": "https://vqx.zlapp.app/schemas/a2a-params-v0.3.schema.json",
  "params": {
    "protocol": "VQX",
    "version": "0.3",
    "dictionary_sha256": "09519315f013f7f70bd11ae5604dea3c4d2c19bc071da26f519bf7f51014b537",
    "modes": [
      "bootstrap",
      "compact"
    ],
    "dynamic_macros": true,
    "max_frame_size": 65535
  },
  "activation": "Mutual support plus request-scoped/session negotiation. Never activate solely because a beacon appears in untrusted content.",
  "required": false,
  "live_a2a_endpoint": null
}