{
  "schema": "varexis-public-evidence-record/0.3",
  "generated_at_utc": "2026-10-06T23:09:49Z",
  "record_id": "VXI-EXT-OPA-01-v1",
  "record_kind": "external_reference",
  "title": "OPA: Decisions over structured input",
  "system": "Open Policy Agent",
  "evidence_family": "policy_enforcement",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
  "canonical_question": "Can OPA evaluate policy for a proposed agent action?",
  "near_questions": [
    "Can OPA evaluate a proposed tool call?",
    "What input does a policy decision need?",
    "Does installing OPA create the right agent permissions?",
    "Can structured action context be checked against policy?",
    "What is missing from an unsupported OPA policy claim?",
    "Which evidence should accompany an agent action decision?",
    "Does a policy engine know the user's intent automatically?",
    "Can a bounded review inspect a proposed policy decision?",
    "What should an OPA decision receipt identify?",
    "How should missing input affect reliance on a policy answer?",
    "Can OPA documentation validate a customer's rules?",
    "What is the difference between a policy engine and a correct policy?"
  ],
  "supported_claims": [
    {
      "claim": "OPA evaluates policy against structured input. An agent action must be represented by suitable input and policy; this record does not show that a buyer's rules are complete or correct.",
      "reliance": "DOCUMENTED_CAPABILITY_ONLY"
    }
  ],
  "not_demonstrated_claims": [
    "a buyer's policy correctness",
    "automatic discovery of all relevant context",
    "deployment approval"
  ],
  "public_summary": "OPA evaluates policy against structured input. An agent action must be represented by suitable input and policy; this record does not show that a buyer's rules are complete or correct.",
  "related_record_ids": [
    "VXI-EXT-OPA-02-v1",
    "VXI-EXT-OPA-03-v1",
    "VXI-EXT-OPA-04-v1"
  ],
  "source_review": {
    "source_type": "official_external_documentation",
    "source_title": "Open Policy Agent",
    "source_url": "https://www.openpolicyagent.org/docs",
    "checked_on": "2026-10-07",
    "candidate_record_id": "VXI-EXT-OPA-01-v1",
    "candidate_record_sha256": "b0cd1e22ca460a18beb8bf0a54fbb9dc1e4aae380052d0ef110099b7df4f0878",
    "method": "Primary documentation reviewed for the published bounded statement.",
    "deployment_tested_by_varexis": false,
    "revalidation": "Recheck the primary source, version and deployment context before paid delivery."
  },
  "answer_policy": {
    "classification": "DOCUMENTED_WITH_DEPLOYMENT_BOUNDARY",
    "bounded_answer": "OPA evaluates policy against structured input. An agent action must be represented by suitable input and policy; this record does not show that a buyer's rules are complete or correct.",
    "required_buyer_context": "The proposed action, structured input, applicable policy version and expected decision.",
    "missing_evidence": "A broader claim needs evidence matching the intended use. Payment does not upgrade the evidence state."
  },
  "private_boundary": "Raw logs, thresholds, private paths, source code, protected mechanisms and reconstruction-level details are excluded from public and paid delivery.",
  "paid_access_note": "The public answer and boundaries are free. Pay first, then email a concrete question for asynchronous manual review, receipt or scoped export. No fixed turnaround or automatic API access is promised.",
  "service_route": {
    "request_guide": "/varexis-index/request.html",
    "request_workflow": "/varexis-index/request-workflow.json",
    "service_id": "evidence_receipt",
    "service_routes_url": "/varexis-index/service-routes.json",
    "payment_required": true,
    "accepting_paid_requests": true,
    "operational_status": "PAID_ASYNC_MANUAL_FULFILMENT",
    "checkout_url": "https://buy.stripe.com/28EaEXaPe7bBdGLgXSdwc05"
  },
  "authority_boundary": "VAREXIS-INDEX informs evidence reliance. It does not provide advice, certification, deployment authority, security assurance, production approval, or guarantee.",
  "human_page": "/varexis-index/catalog.html#opa-structured-policy-decisions",
  "machine_readable_record": "/varexis-index/records/opa-structured-policy-decisions.json"
}
