{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-tallyfern-rates",
  "component": "mcp",
  "generated_at": "2026-11-05T17:25:30.346Z",
  "tracking_since": "2026-10-03",
  "counts": {
    "critical": 0,
    "security": 7,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a199d8-81dc-75bc-af61-9b302c19e568",
      "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": "2026-11-02",
      "occurred_at": "2026-11-02 01:21:05.477541+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-tallyfern-rates/mcp#chg-chg_01a199d8-81dc-75bc-af61-9b302c19e568"
    },
    {
      "id": "chg_01a168d9-b676-7905-9f54-fe8ceb784e34",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cra_automobile_allowance_rate",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cra_automobile_allowance_rate"
      },
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 13:01:00.866797+00",
      "observed_since": "2026-10-23",
      "source": "scan",
      "summary": "Tool “cra_automobile_allowance_rate” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-tallyfern-rates/mcp#chg-chg_01a168d9-b676-7905-9f54-fe8ceb784e34"
    },
    {
      "id": "chg_01a168d9-b679-71f3-ac70-f6f3e1c5cd09",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cra_meal_travel_allowance",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cra_meal_travel_allowance"
      },
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 13:01:00.866797+00",
      "observed_since": "2026-10-23",
      "source": "scan",
      "summary": "Tool “cra_meal_travel_allowance” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-tallyfern-rates/mcp#chg-chg_01a168d9-b679-71f3-ac70-f6f3e1c5cd09"
    },
    {
      "id": "chg_01a168d9-b67a-7771-804e-347d90a6a4b8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "gst_hst_rate_by_province",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "gst_hst_rate_by_province"
      },
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 13:01:00.866797+00",
      "observed_since": "2026-10-23",
      "source": "scan",
      "summary": "Tool “gst_hst_rate_by_province” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-tallyfern-rates/mcp#chg-chg_01a168d9-b67a-7771-804e-347d90a6a4b8"
    },
    {
      "id": "chg_01a168d9-b67b-729f-99b3-cd16e41583d1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "gst_hst_small_supplier_check",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "gst_hst_small_supplier_check"
      },
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 13:01:00.866797+00",
      "observed_since": "2026-10-23",
      "source": "scan",
      "summary": "Tool “gst_hst_small_supplier_check” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-tallyfern-rates/mcp#chg-chg_01a168d9-b67b-729f-99b3-cd16e41583d1"
    },
    {
      "id": "chg_01a168d9-b67b-7b96-aa99-8b6d5dae460f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ontario_hst_basics",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ontario_hst_basics"
      },
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 13:01:00.866797+00",
      "observed_since": "2026-10-23",
      "source": "scan",
      "summary": "Tool “ontario_hst_basics” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-tallyfern-rates/mcp#chg-chg_01a168d9-b67b-7b96-aa99-8b6d5dae460f"
    },
    {
      "id": "chg_01a10a72-b0b8-7dd8-8cb0-d90410a4516f",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_absent",
      "to_code": "headers.hsts_present",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-05",
      "occurred_at": "2026-10-05 05:04:02.54146+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "HSTS header (fail → pass)",
      "link": "https://verifymcp.io/servers/com-tallyfern-rates/mcp#chg-chg_01a10a72-b0b8-7dd8-8cb0-d90410a4516f"
    }
  ],
  "days": [
    {
      "date": "2026-11-02",
      "total": 83,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-11-01",
      "total": 83,
      "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": "2026-10-31",
        "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": "2026-10-30",
      "total": 82,
      "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": "2026-10-29",
        "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": "2026-10-28",
      "total": 81,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-26",
      "total": 80,
      "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": "2026-10-25",
        "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": "2026-10-24",
      "total": 79,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 67,
        "to": 70,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 20,
          "to_days": 21
        },
        "partial": false,
        "compared_to": "2026-10-23",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 67 to 70. That category is still filling its 30-day observation window: 20 days of observed history at the previous scan, 21 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-23",
      "total": 78,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-10-20",
      "total": 78,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 53,
        "to": 57,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 16,
          "to_days": 17
        },
        "partial": false,
        "compared_to": "2026-10-19",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 53 to 57. That category is still filling its 30-day observation window: 16 days of observed history at the previous scan, 17 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}