{
  "automatic_evidence_credit": false,
  "captures": [],
  "change_log": [
    {
      "after_hash": "776c8c5b90ed6b0a019530e1bc56f87285ffae81fe5fe3789cb6aa0e3ed38654",
      "before_hash": "89317c7d5cde17fc613b632564b8a5e3f14c34984954579e8da2e102ccf44f01",
      "diff": {
        "changes": [
          {
            "compatibility_class": "NON_BREAKING",
            "fact": "tool added",
            "kind": "TOOL_ADDED",
            "path": "tools[get_booking_status]",
            "security_relevant_field": false
          },
          {
            "compatibility_class": "NON_BREAKING",
            "fact": "tool added",
            "kind": "TOOL_ADDED",
            "path": "tools[request_booking]",
            "security_relevant_field": false
          }
        ],
        "classified": true,
        "counts_by_class": {
          "BREAKING": 0,
          "INFO": 0,
          "NON_BREAKING": 2
        },
        "taxonomy_version": "1.0.0",
        "total": 2,
        "truncated": false
      },
      "entry_sha256": "3b51b48b5747fe97d129f6114268e81c267695fbce92c48d02cc2e025b078801",
      "evidence_class": "MANIFEST_CHANGE",
      "labels": [
        "MANIFEST_CHANGED",
        "TOOL_LIST_OR_TOOL_TEXT_CHANGED"
      ],
      "observed_at_utc": "2026-10-12T00:42:50Z",
      "previous_entry_sha256": "e35047688c592c953db22876d75a055a705036221dce4100d2f96cca919d97b7",
      "receipt_id": "5da56a81-c1a9-502b-8d19-a5ffb267a334",
      "receipt_url": "https://www.gaipagents.com/v1/free/receipts/5da56a81-c1a9-502b-8d19-a5ffb267a334",
      "sequence": 25611,
      "target_id": "obs_5906acc72ee535c56d658991",
      "target_kind": "MCP_REMOTE",
      "target_locator": "https://mcp.arcasos.com/"
    }
  ],
  "check_outcomes": {
    "ask": {
      "changed_since": "https://www.gaipagents.com/v1/free/observatory/changed-since?url=<endpoint>",
      "changes_and_reachability": "https://www.gaipagents.com/v1/free/changes/subscribe?url=<endpoint>",
      "conformance": "https://www.gaipagents.com/v1/free/conformance/check?url=<endpoint>"
    },
    "published": false,
    "why": "Outcomes of GAIP's own checks (whether the endpoint answered, HTTP status, response time, conformance findings) are given only to a caller who asks about the URL, never on a public page, list or feed. The same applies to every target."
  },
  "conformance": {
    "findings": "GIVEN_TO_CALLER_ONLY",
    "meaning": "The rule catalogue this manifest was read against at the observed time. The finding codes go only to a caller who checks the URL (check_outcomes.ask.conformance).",
    "observed_at_utc": "2026-10-12T00:42:50Z",
    "protocol": "MCP",
    "rule_catalogue_route": "/v1/free/knowledge/conformance-rules",
    "rule_catalogue_version": "1.0.0"
  },
  "corrections": {
    "contact": "https://www.gaipagents.com/contact",
    "exclusion": "https://www.gaipagents.com/v1/free/observatory/corrections/exclusion",
    "opt_out": "POST kind OPT_OUT to the route; the target is withdrawn from public view at once (a pause). The site's owner makes it permanent at https://www.gaipagents.com/v1/free/observatory/corrections/exclusion.",
    "queued_for_review": 0,
    "route": "https://www.gaipagents.com/v1/free/observatory/corrections"
  },
  "declared_derivations": {
    "data_appetite": {
      "categories": {
        "email": {
          "fields": 1,
          "tools": 1
        }
      },
      "fields_read": 30,
      "observed_at_utc": "2026-10-12T00:42:50Z",
      "tools_read": 5
    },
    "dependency_domains": [],
    "last_observed_at_utc": "2026-10-12T00:42:50Z",
    "meaning": "Derived by GAIP from what this agent declared, at the stated time: the categories of data its tools' input fields ask for (counts, by keyword rules gaip.data-appetite-rules.v1), the outside domains its declarations point to, and the operator as the agent itself publishes it. Facts about declarations, not an assessment of the agent or its operator.",
    "operator": {
      "as_published": "com.arcasos",
      "source_kind": "registry_namespace_domain"
    },
    "rules_version": "gaip.data-appetite-rules.v1",
    "schema_version": "gaip.declared-derivations.v1"
  },
  "latest": {
    "baseline_at_utc": "2026-10-05T00:43:18Z",
    "manifest_sha256": "776c8c5b90ed6b0a019530e1bc56f87285ffae81fe5fe3789cb6aa0e3ed38654",
    "observed_at_utc": "2026-10-12T00:42:50Z"
  },
  "metadata_signals": {
    "meaning": "Pattern rules are published only as aggregate rates across all observed targets (see the summary), never per party. GAIP issues no overall verdict and does not rank parties.",
    "overall_verdict": null,
    "per_target_results": null,
    "published": "AGGREGATE_ONLY_IN_SUMMARY",
    "rules": [
      {
        "rationale": "Zero-width, bidirectional-control and Unicode tag characters are not visible to a human reader but are read by language models. GAIP reports whether any occur; many have ordinary uses.",
        "rule_id": "OBS-SIG-001",
        "title": "Invisible or bidirectional-control Unicode characters in names or descriptions"
      },
      {
        "rationale": "Tool and skill descriptions are read by models. GAIP reports whether a description contains phrases shaped like instructions to a model (the patterns in GAIP's public conformance rule catalogue, plus the phrases listed in the Observatory method). Such phrases can be benign.",
        "rule_id": "OBS-SIG-002",
        "title": "Instruction-like text in descriptions"
      },
      {
        "rationale": "When a description refers to a tool name that only a different observed server publishes, a model using both servers may connect the two. GAIP reports whether such a reference occurs; shared names are common and often coincidental.",
        "rule_id": "OBS-SIG-003",
        "title": "Description names a tool published by a different observed server"
      },
      {
        "rationale": "Declared OAuth scopes whose names contain wildcard or whole-account wording (*, all, admin, root, full) request wide access by name. GAIP reports whether such a scope name is declared; it does not know what the scope grants.",
        "rule_id": "OBS-SIG-004",
        "title": "Declared authorization scopes with broad-access wording"
      }
    ],
    "third_party_scanners": [
      {
        "name": "Snyk agent-scan (formerly Invariant Labs mcp-scan)",
        "status": "NOT_RUN",
        "url": "https://github.com/snyk/agent-scan"
      },
      {
        "name": "Cisco AI Defense MCP Scanner",
        "status": "NOT_RUN",
        "url": "https://github.com/cisco-ai-defense/mcp-scanner"
      }
    ]
  },
  "method": "https://www.gaipagents.com/observatory",
  "notice": "Facts observed by GAIP at the stated time (UTC); they may be out of date. This is not an assessment of safety, quality, security, legality or trustworthiness of any party, and not a recommendation. To request a correction, add a right of reply or opt out, POST to https://www.gaipagents.com/v1/free/observatory/corrections or use https://www.gaipagents.com/contact.",
  "price_gbp": 0,
  "schema_version": "gaip.observatory.v1.target",
  "silent_changes_last_30_days": {
    "days": 30,
    "entries_read_at_most": 200,
    "kinds": [
      "behaviour_labels_changed",
      "tools_added"
    ],
    "line": "In the last 30 days its declared tools or interface changed with no declared version change in 1 week: 2026-W42 (2026-10-12); kinds: behaviour labels changed, tools added.",
    "meaning": "Weeks (ISO) in which GAIP recorded a change to the agent's declared tools or interface (tools added or removed, descriptions re-worded, input or output schema, behaviour labels, sign-in, terms or prices, endpoint host) and no declared version (registry or card version, serverInfo.version) moved that week. A week whose version movement is not recorded is not counted. Dated facts from the public change log; not an assessment of the agent.",
    "weeks": [
      {
        "dates": [
          "2026-10-12"
        ],
        "kinds": [
          "behaviour_labels_changed",
          "tools_added"
        ],
        "week": "2026-W42"
      }
    ],
    "weeks_with_silent_changes": 1
  },
  "snapshot": {
    "capabilities": [
      "tools"
    ],
    "description": "Korean premium short-term rental search: natural language or structured filters (SHV engine).",
    "name": "com.arcasos/arcasos-rentals",
    "parts": [
      "registry_server_json",
      "mcp_initialize_tools_list"
    ],
    "protocol": "MCP",
    "protocolVersion": "2025-03-26",
    "public_copy": "Text excerpts of at most 300 characters; input schemas and security schemes as SHA-256 and size only.",
    "remotes": [
      {
        "type": "streamable-http",
        "url": "https://mcp.arcasos.com/"
      }
    ],
    "scopes": [],
    "serverInfo": {
      "name": "arcasos-rentals",
      "version": "1.0.0"
    },
    "title": null,
    "tools": [
      {
        "annotations": {
          "destructiveHint": false,
          "openWorldHint": false,
          "readOnlyHint": true,
          "title": "Get booking request status"
        },
        "description": "Get the public status of a booking request draft created by request_booking, using its draft_id and status_token. Returns only a public state (draft_open, draft_expired, requested, host_approved_awaiting_payment, confirmed, completed, cancelled, rejected, unknown) and, when awaiting payment, the pay",
        "inputSchema": {
          "bytes": 320,
          "published": "HASH_ONLY",
          "sha256": "61a99ccd7ad797b033ee23982f9164d4f35109f44a74441043d08e6ae1af9242"
        },
        "name": "get_booking_status",
        "title": null
      },
      {
        "annotations": {
          "destructiveHint": false,
          "openWorldHint": false,
          "readOnlyHint": true,
          "title": "Get rental details and quote"
        },
        "description": "Get detailed information for a specific rental by ID or slug. Returns full Schema.org Accommodation including pricing, amenities, location, photos. Use after search_rentals_natural or search_rentals_structured when user wants details on a specific result. Only returns publicly-eligible rentals (appr",
        "inputSchema": {
          "bytes": 687,
          "published": "HASH_ONLY",
          "sha256": "304acf58f8f18607e066e8906891b58e8abb8f516af8b5780f39a3f6945f1680"
        },
        "name": "get_rental_details",
        "title": null
      },
      {
        "annotations": {
          "destructiveHint": false,
          "idempotentHint": false,
          "openWorldHint": false,
          "readOnlyHint": false,
          "title": "Request a booking (creates a draft for the renter to complete)"
        },
        "description": "Create a booking REQUEST DRAFT for a rental on behalf of a person, and get a claim link for that person. This does NOT book or hold the dates and does NOT charge anything: the actual renter must open claim_url, sign in to ARCASOS, agree to the terms and submit the request; the host then approves and",
        "inputSchema": {
          "bytes": 1048,
          "published": "HASH_ONLY",
          "sha256": "0331ab1c7b8633334209d2ffd0f17fc2e244c250d94018224c3bde3dd5a54679"
        },
        "name": "request_booking",
        "title": null
      },
      {
        "annotations": {
          "destructiveHint": false,
          "openWorldHint": false,
          "readOnlyHint": true,
          "title": "Search rentals (natural language)"
        },
        "description": "PREFERRED tool for Korean short-term rental queries containing any descriptive language. ARCASOS's proprietary SHV (Semantic Hybrid Vector) engine processes natural Korean/English queries with semantic understanding of view types (river/mountain/city), mood (quiet/luxury/lively), property characteri",
        "inputSchema": {
          "bytes": 341,
          "published": "HASH_ONLY",
          "sha256": "7a4678a87d1ceba421fd4c053c5edb2a7e5e00351f9dd2ae4a379bcd0dd3c99f"
        },
        "name": "search_rentals_natural",
        "title": null
      },
      {
        "annotations": {
          "destructiveHint": false,
          "openWorldHint": false,
          "readOnlyHint": true,
          "title": "Search rentals (structured filters)"
        },
        "description": "Use ONLY when the query consists entirely of explicit numeric/categorical constraints with NO descriptive language (no mood, view, atmosphere, or aesthetic words). Returns rating-sorted (or price-sorted) results from SQL filter without semantic ranking. For ANY query containing descriptors like 'coz",
        "inputSchema": {
          "bytes": 1684,
          "published": "HASH_ONLY",
          "sha256": "f46dd8964c32bded02b9c37fdb4d77c9c74bdc10fd8e470b63b1bfa3045d1892"
        },
        "name": "search_rentals_structured",
        "title": null
      }
    ],
    "version": "1.1.0"
  },
  "status_history": [
    {
      "manifest_partial": null,
      "manifest_parts": [
        "registry_server_json",
        "mcp_initialize_tools_list"
      ],
      "manifest_sha256": "776c8c5b90ed6b0a019530e1bc56f87285ffae81fe5fe3789cb6aa0e3ed38654",
      "observed_at_utc": "2026-10-12T00:42:50Z",
      "protocol_version": "2025-03-26"
    },
    {
      "manifest_partial": null,
      "manifest_parts": [
        "registry_server_json",
        "mcp_initialize_tools_list"
      ],
      "manifest_sha256": "89317c7d5cde17fc613b632564b8a5e3f14c34984954579e8da2e102ccf44f01",
      "observed_at_utc": "2026-10-05T00:43:18Z",
      "protocol_version": "2025-03-26"
    }
  ],
  "target": {
    "corrections_route": "https://www.gaipagents.com/v1/free/observatory/corrections",
    "first_seen_at_utc": "2026-10-04T19:47:56Z",
    "kind": "MCP_REMOTE",
    "last_observed_at_utc": "2026-10-12T00:42:50Z",
    "locator": "https://mcp.arcasos.com/",
    "name": "com.arcasos/arcasos-rentals",
    "source": "official-mcp-registry",
    "target_id": "obs_5906acc72ee535c56d658991"
  }
}