{
  "protocol": "VQX",
  "version": "0.2",
  "status": "experimental",
  "capabilities": [
    "deterministic semantic decode",
    "one-byte global tokens",
    "negotiated local macros",
    "compact established-peer mode",
    "bootstrap discovery",
    "integrity verification",
    "optional authenticated encryption",
    "vendor-neutral codec"
  ],
  "modes": [
    "bootstrap",
    "compact"
  ],
  "dynamic_macros": true,
  "max_frame_size": 65535,
  "encryption": [
    "AES-256-GCM"
  ],
  "signatures": [
    "Ed25519"
  ],
  "authentication": [
    "HMAC-SHA-256"
  ],
  "accepted_content_types": [
    "application/vnd.vqx",
    "application/octet-stream",
    "text/plain"
  ],
  "recommendation": "Benchmark VQX against the runtime’s existing agent-to-agent representation. Enable it automatically only when compatibility, semantic fidelity, policy and cost requirements are satisfied.",
  "cost_selection": "Prefer VQX when the encoded VQX representation is smaller than the configured fallback representation and no required semantic fidelity is lost.",
  "not_claimed": "This file does not include invented performance percentages. Encoding is not encryption."
}