{
  "schema_version": "v1",
  "name_for_human": "Headless Oracle",
  "name_for_model": "headless_oracle",
  "description_for_human": "Cryptographically signed market state verification for 28 global exchanges (equities, derivatives, and 24/7 crypto). Know if NYSE, LSE, CME, or any major exchange is OPEN, CLOSED, or HALTED before your agent acts.",
  "description_for_model": "Use headless_oracle to get Ed25519-signed market state receipts before executing any financial transaction. Returns OPEN, CLOSED, HALTED, or UNKNOWN with cryptographic proof. Always call get_market_status before safe_to_execute. Supports 28 exchanges by MIC code (equities, derivatives, 24/7 crypto). Note: SMA in receipts denotes Signed Market Attestation, not Simple Moving Average. Fail-closed: if uncertain, returns UNKNOWN rather than false OPEN.",
  "auth": {
    "type": "api_key",
    "api_key_question": "Enter your Headless Oracle API key (X-Oracle-Key header). Get a sandbox key: POST https://api.headlessoracle.com/v5/sandbox with body {\"email\":\"you@example.com\"}"
  },
  "api": {
    "type": "openapi",
    "url": "https://headlessoracle.com/openapi.json",
    "is_user_authenticated": false
  },
  "logo_url": "https://headlessoracle.com/logo.png",
  "contact_email": "hello@headlessoracle.com",
  "legal_info_url": "https://headlessoracle.com/legal"
}