{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-ingest0r-api-cook-county-property-data",
  "component": "api",
  "generated_at": "2026-09-20T19:05:22.661Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 11,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a04f1b-bc83-7e01-883d-b36015e6ece7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "find_chicago_comparable_sales",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "find_chicago_comparable_sales"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 20:00:12.891077+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “find_chicago_comparable_sales” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-ingest0r-api-cook-county-property-data/api#chg-chg_01a04f1b-bc83-7e01-883d-b36015e6ece7"
    },
    {
      "id": "chg_01a04f1b-bc85-75bf-a491-72a7da3a81e7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_cook_county_parcel",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_cook_county_parcel"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 20:00:12.891077+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “get_cook_county_parcel” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-ingest0r-api-cook-county-property-data/api#chg-chg_01a04f1b-bc85-75bf-a491-72a7da3a81e7"
    },
    {
      "id": "chg_01a04f1b-bc86-70ba-893f-54aefe8ed4c3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_cook_county_property_dossier",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_cook_county_property_dossier"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 20:00:12.891077+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “get_cook_county_property_dossier” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-ingest0r-api-cook-county-property-data/api#chg-chg_01a04f1b-bc86-70ba-893f-54aefe8ed4c3"
    },
    {
      "id": "chg_01a04f1b-bc86-7b20-8c11-163484197690",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_free_sample",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_free_sample"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 20:00:12.891077+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “get_free_sample” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-ingest0r-api-cook-county-property-data/api#chg-chg_01a04f1b-bc86-7b20-8c11-163484197690"
    },
    {
      "id": "chg_01a04f1b-bc87-773e-b00b-22b505b28679",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_chicago_property_by_address",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_chicago_property_by_address"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 20:00:12.891077+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “search_chicago_property_by_address” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-ingest0r-api-cook-county-property-data/api#chg-chg_01a04f1b-bc87-773e-b00b-22b505b28679"
    },
    {
      "id": "chg_01a04f1b-bc88-747c-8b61-dbf0461e8479",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 20:00:12.891077+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-ingest0r-api-cook-county-property-data/api#chg-chg_01a04f1b-bc88-747c-8b61-dbf0461e8479"
    },
    {
      "id": "chg_01a0366f-f5cc-725f-94d5-e34d41e9f03b",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 01:01:42.168506+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-ingest0r-api-cook-county-property-data/api#chg-chg_01a0366f-f5cc-725f-94d5-e34d41e9f03b"
    },
    {
      "id": "chg_01a01cb0-9213-7d70-97c9-82fc8c0c663f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "find_chicago_comparable_sales",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "find_chicago_comparable_sales"
      },
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 01:02:08.86643+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “find_chicago_comparable_sales” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-ingest0r-api-cook-county-property-data/api#chg-chg_01a01cb0-9213-7d70-97c9-82fc8c0c663f"
    },
    {
      "id": "chg_01a01cb0-9215-74de-83cc-397dec450b22",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_cook_county_parcel",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_cook_county_parcel"
      },
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 01:02:08.86643+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “get_cook_county_parcel” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-ingest0r-api-cook-county-property-data/api#chg-chg_01a01cb0-9215-74de-83cc-397dec450b22"
    },
    {
      "id": "chg_01a01cb0-9215-7a0d-880e-b616f5a85c05",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_cook_county_property_dossier",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_cook_county_property_dossier"
      },
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 01:02:08.86643+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “get_cook_county_property_dossier” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-ingest0r-api-cook-county-property-data/api#chg-chg_01a01cb0-9215-7a0d-880e-b616f5a85c05"
    },
    {
      "id": "chg_01a01cb0-9215-7eb7-8596-08e819408bc6",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 01:02:08.86643+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-ingest0r-api-cook-county-property-data/api#chg-chg_01a01cb0-9215-7eb7-8596-08e819408bc6"
    }
  ],
  "days": [
    {
      "date": "2026-08-29",
      "total": 86,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 12
    },
    {
      "date": "2026-08-26",
      "total": 87,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 86,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-24",
      "total": 86,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 93,
        "to": 97,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 28,
          "to_days": 29
        },
        "partial": false,
        "compared_to": "2026-08-23",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-08-20",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-08-11",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-07",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-07-31",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}