{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-zoningsignal-observatory",
  "component": "zoningsignal",
  "generated_at": "2026-09-21T06:24:32.625Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 6,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0b27a-e6c0-75a0-a5a2-f11a7a472104",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "describe_entity",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "describe_entity"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 03:06:33.90372+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “describe_entity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-zoningsignal-observatory/zoningsignal#chg-chg_01a0b27a-e6c0-75a0-a5a2-f11a7a472104"
    },
    {
      "id": "chg_01a03860-cdb6-76a1-8831-19ad6abbe6ab",
      "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 10:04:23.084631+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-zoningsignal-observatory/zoningsignal#chg-chg_01a03860-cdb6-76a1-8831-19ad6abbe6ab"
    },
    {
      "id": "chg_01a00a07-b86b-7c49-8715-67be401c56b2",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_present",
      "to_code": "headers.hsts_absent",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 10:04:32.656922+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/com-zoningsignal-observatory/zoningsignal#chg-chg_01a00a07-b86b-7c49-8715-67be401c56b2"
    },
    {
      "id": "chg_01a00a07-b86e-7b45-90ad-c3db0fb908c0",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "describe_pattern",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "describe_pattern"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 10:04:32.656922+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “describe_pattern” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-zoningsignal-observatory/zoningsignal#chg-chg_01a00a07-b86e-7b45-90ad-c3db0fb908c0"
    },
    {
      "id": "chg_01a00a07-b86f-785d-b8ae-ea5465369ce9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "describe_watch",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "describe_watch"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 10:04:32.656922+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “describe_watch” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-zoningsignal-observatory/zoningsignal#chg-chg_01a00a07-b86f-785d-b8ae-ea5465369ce9"
    },
    {
      "id": "chg_01a00a07-b870-707f-9436-bd62504c2c51",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_patterns",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_patterns"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 10:04:32.656922+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “list_patterns” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-zoningsignal-observatory/zoningsignal#chg-chg_01a00a07-b870-707f-9436-bd62504c2c51"
    }
  ],
  "days": [
    {
      "date": "2026-09-18",
      "total": 86,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-08-26",
      "total": 86,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 86,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-23",
      "total": 85,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 90,
        "to": 93,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 27,
          "to_days": 28
        },
        "partial": false,
        "compared_to": "2026-08-22",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 90 to 93. That category is still filling its 30-day observation window: 27 days of observed history at the previous scan, 28 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-08-16",
      "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": "2026-07-31",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-07-27",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}