{
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  "record_id": "VXI-EXT-PROCUREMENT-MCP-REGISTRY-OWNERSHIP-01-v1",
  "record_kind": "external_reference",
  "title": "MCP Registry: Publisher namespace is a limited identity check",
  "system": "Official MCP Registry",
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    "Can registry publication substitute for our admission review?",
    "Which package or endpoint belongs to this registry entry?",
    "Does a registered MCP name establish executable integrity?",
    "How do we compare the listed publisher with our expected supplier?",
    "Is an MCP Registry listing a security certification?",
    "Which namespace proof was used for this publication?",
    "What must we check beyond the authenticated registry name?",
    "Can a publisher identity stand in for a permission policy?",
    "Does an official registry entry approve this deployment?"
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    "Runtime enforcement, permission to act or expanded licensed-checker coverage"
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  "related_record_ids": [],
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    "unknowns": "The buyer configuration, contract, effective entitlement and operational evidence have not been inspected. Missing evidence does not establish absence or failure of the feature.",
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        "url": "https://modelcontextprotocol.io/registry/authentication",
        "final_url": "https://modelcontextprotocol.io/registry/authentication",
        "title": "MCP Registry: Publishing authentication",
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        "captured_at_utc": "2026-10-18T13:33:51.486Z",
        "version_context": "Rolling official Registry preview documentation; namespace ownership",
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        "reviewed_sections": [
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    "observed_deployment": false,
    "commercial_reliance_boundary": "Procurement evidence support only; no supplier clearance, legal conclusion, configuration audit or verification of the buyer's claim is supplied.",
    "paid_value": {
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      "free": "Complete review, practical questions, sources and limitations; may be saved locally.",
      "single_request": "Existing server-saved version-bound route snapshot for later authenticated retrieval.",
      "evidence_receipt": "The same snapshot plus the existing unsigned delivery receipt.",
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        "Continuous monitoring or change alerts",
        "Testing the buyer configuration",
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      "integrity": "Hashes identify content versions; they do not prove truth or provide a signature."
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    "revalidation": {
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      "specific_watch": "The registry server name, version and authenticated namespace. The expected publisher and the exact package or endpoint selected. The buyer-approved tool inventory, permission scope and deployment identity."
    },
    "buyer_relevance": "A tool buyer needs to distinguish registry publication identity from approval of the server that will actually run.",
    "refusal_conditions": [
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    ]
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    "label": "Agent Authority & Action Evidence",
    "niche_id": "agent-authority-action-evidence",
    "topic_id": "tool-authority-integrity",
    "buyer_intent": "A tool buyer needs to distinguish registry publication identity from approval of the server that will actually run."
  },
  "paid_access_note": "The full published answer and boundaries are free. Paid access saves the selected route and source versions, with an unsigned receipt when purchased. Preview coverage before paying. Fresh research, bespoke assessment and protected evidence are excluded.",
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    "service_routes_url": "/varexis-index/service-routes.json",
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    "operational_status": "AUTOMATIC_SERVICE_CAPABILITIES_GATED",
    "checkout_url": "/index-access"
  },
  "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#mcp-registry-publisher-namespace-boundary",
  "machine_readable_record": "/varexis-index/records/mcp-registry-publisher-namespace-boundary.json"
}