{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "properties-hercules-property-data",
  "component": "app",
  "generated_at": "2026-11-07T20:28:13.667Z",
  "tracking_since": "2026-10-10",
  "counts": {
    "critical": 0,
    "security": 15,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a196ac-244e-71a6-867e-aff019cf8bb4",
      "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": "2026-11-01",
      "occurred_at": "2026-11-01 10:33:46.299982+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/properties-hercules-property-data/app#chg-chg_01a196ac-244e-71a6-867e-aff019cf8bb4"
    },
    {
      "id": "chg_01a15e00-f404-7634-933a-384de3c35906",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_nyc_property",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_nyc_property"
      },
      "occurred_on": "2026-10-21",
      "occurred_at": "2026-10-21 10:28:03.109375+00",
      "observed_since": "2026-10-20",
      "source": "scan",
      "summary": "Tool “get_nyc_property” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/properties-hercules-property-data/app#chg-chg_01a15e00-f404-7634-933a-384de3c35906"
    },
    {
      "id": "chg_01a15e00-f405-7eba-be4b-778e77dd5055",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_nyc_unit",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_nyc_unit"
      },
      "occurred_on": "2026-10-21",
      "occurred_at": "2026-10-21 10:28:03.109375+00",
      "observed_since": "2026-10-20",
      "source": "scan",
      "summary": "Tool “get_nyc_unit” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/properties-hercules-property-data/app#chg-chg_01a15e00-f405-7eba-be4b-778e77dd5055"
    },
    {
      "id": "chg_01a15e00-f406-78d9-a8bb-a4df3f561942",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_nyc_preforeclosures",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_nyc_preforeclosures"
      },
      "occurred_on": "2026-10-21",
      "occurred_at": "2026-10-21 10:28:03.109375+00",
      "observed_since": "2026-10-20",
      "source": "scan",
      "summary": "Tool “search_nyc_preforeclosures” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/properties-hercules-property-data/app#chg-chg_01a15e00-f406-78d9-a8bb-a4df3f561942"
    },
    {
      "id": "chg_01a15e00-f40f-7875-b57d-3e9afd94cc1d",
      "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": "2026-10-21",
      "occurred_at": "2026-10-21 10:28:03.109375+00",
      "observed_since": "2026-10-20",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/properties-hercules-property-data/app#chg-chg_01a15e00-f40f-7875-b57d-3e9afd94cc1d"
    },
    {
      "id": "chg_01a153b1-f49d-750b-8482-33ece5e434ed",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "unlock_nyc_owner_contacts",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "unlock_nyc_owner_contacts"
      },
      "occurred_on": "2026-10-19",
      "occurred_at": "2026-10-19 10:25:33.829513+00",
      "observed_since": "2026-10-18",
      "source": "scan",
      "summary": "Tool “unlock_nyc_owner_contacts” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/properties-hercules-property-data/app#chg-chg_01a153b1-f49d-750b-8482-33ece5e434ed"
    },
    {
      "id": "chg_01a14e95-d3e8-743f-9794-ad19826e7178",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "unlock_nyc_owner_contacts",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "unlock_nyc_owner_contacts"
      },
      "occurred_on": "2026-10-18",
      "occurred_at": "2026-10-18 10:36:43.585579+00",
      "observed_since": "2026-10-17",
      "source": "scan",
      "summary": "Tool “unlock_nyc_owner_contacts” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/properties-hercules-property-data/app#chg-chg_01a14e95-d3e8-743f-9794-ad19826e7178"
    },
    {
      "id": "chg_01a14e95-d49c-79c1-aaec-1118c4c6021f",
      "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": "2026-10-18",
      "occurred_at": "2026-10-18 10:36:43.585579+00",
      "observed_since": "2026-10-17",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/properties-hercules-property-data/app#chg-chg_01a14e95-d49c-79c1-aaec-1118c4c6021f"
    },
    {
      "id": "chg_01a14964-aaeb-7dc4-a297-9ca7ccecadd0",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_nyc_preforeclosures",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_nyc_preforeclosures"
      },
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 10:24:56.532507+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool “search_nyc_preforeclosures” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/properties-hercules-property-data/app#chg-chg_01a14964-aaeb-7dc4-a297-9ca7ccecadd0"
    },
    {
      "id": "chg_01a14964-aaed-7dcb-a52c-aa19f4613b85",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "unlock_nyc_owner_contacts",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "unlock_nyc_owner_contacts"
      },
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 10:24:56.532507+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool “unlock_nyc_owner_contacts” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/properties-hercules-property-data/app#chg-chg_01a14964-aaed-7dcb-a52c-aa19f4613b85"
    },
    {
      "id": "chg_01a14964-aaef-718b-b375-59a7110831bc",
      "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": "2026-10-17",
      "occurred_at": "2026-10-17 10:24:56.532507+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/properties-hercules-property-data/app#chg-chg_01a14964-aaef-718b-b375-59a7110831bc"
    },
    {
      "id": "chg_01a14445-76ea-753e-be38-a2b2d4053c2a",
      "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": "2026-10-16",
      "occurred_at": "2026-10-16 10:32:45.357876+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/properties-hercules-property-data/app#chg-chg_01a14445-76ea-753e-be38-a2b2d4053c2a"
    },
    {
      "id": "chg_01a139f3-ab45-7dcb-b733-0ab3f0f7a0d3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_nyc_preforeclosures",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_nyc_preforeclosures"
      },
      "occurred_on": "2026-10-14",
      "occurred_at": "2026-10-14 10:27:12.755169+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “search_nyc_preforeclosures” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/properties-hercules-property-data/app#chg-chg_01a139f3-ab45-7dcb-b733-0ab3f0f7a0d3"
    },
    {
      "id": "chg_01a139f3-ab46-77e8-bafd-cacb2a352995",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "unlock_nyc_owner_contacts",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "unlock_nyc_owner_contacts"
      },
      "occurred_on": "2026-10-14",
      "occurred_at": "2026-10-14 10:27:12.755169+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “unlock_nyc_owner_contacts” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/properties-hercules-property-data/app#chg-chg_01a139f3-ab46-77e8-bafd-cacb2a352995"
    },
    {
      "id": "chg_01a139f3-ab48-79d6-9491-63d5989f0af3",
      "kind": "server.name_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "hercules",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "property-data",
      "to_value": "hercules",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "hercules",
        "from": "property-data"
      },
      "occurred_on": "2026-10-14",
      "occurred_at": "2026-10-14 10:27:12.755169+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "The server changed its declared name (property-data → hercules)",
      "link": "https://verifymcp.io/servers/properties-hercules-property-data/app#chg-chg_01a139f3-ab48-79d6-9491-63d5989f0af3"
    }
  ],
  "days": [
    {
      "date": "2026-11-06",
      "total": 86,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-11-05",
      "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": "2026-11-04",
        "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": "2026-11-03",
      "total": 85,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 87,
        "to": 90,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 26,
          "to_days": 27
        },
        "partial": false,
        "compared_to": "2026-11-02",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 87 to 90. That category is still filling its 30-day observation window: 26 days of observed history at the previous scan, 27 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-11-01",
      "total": 84,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-30",
      "total": 83,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 73,
        "to": 77,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 22,
          "to_days": 23
        },
        "partial": false,
        "compared_to": "2026-10-29",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 73 to 77. That category is still filling its 30-day observation window: 22 days of observed history at the previous scan, 23 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-27",
      "total": 82,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 63,
        "to": 67,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 19,
          "to_days": 20
        },
        "partial": false,
        "compared_to": "2026-10-26",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 63 to 67. That category is still filling its 30-day observation window: 19 days of observed history at the previous scan, 20 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-25",
      "total": 81,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 57,
        "to": 60,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 17,
          "to_days": 18
        },
        "partial": false,
        "compared_to": "2026-10-24",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 57 to 60. That category is still filling its 30-day observation window: 17 days of observed history at the previous scan, 18 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-23",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 50,
        "to": 53,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 15,
          "to_days": 16
        },
        "partial": false,
        "compared_to": "2026-10-22",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 50 to 53. That category is still filling its 30-day observation window: 15 days of observed history at the previous scan, 16 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}