{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "89rat-code402",
  "component": "rail",
  "generated_at": "2026-10-08T08:16:06.743Z",
  "tracking_since": "2026-09-25",
  "counts": {
    "critical": 0,
    "security": 13,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a10538-351a-757f-be33-ec61967d9f9d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ifsc_check",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ifsc_check"
      },
      "occurred_on": "2026-10-04",
      "occurred_at": "2026-10-04 04:42:12.066975+00",
      "observed_since": "2026-10-03",
      "source": "scan",
      "summary": "Tool “ifsc_check” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/89rat-code402/rail#chg-chg_01a10538-351a-757f-be33-ec61967d9f9d"
    },
    {
      "id": "chg_01a10538-3519-7cd0-947f-b32a4ea13b8d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "iban_check",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "iban_check"
      },
      "occurred_on": "2026-10-04",
      "occurred_at": "2026-10-04 04:42:12.066975+00",
      "observed_since": "2026-10-03",
      "source": "scan",
      "summary": "Tool “iban_check” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/89rat-code402/rail#chg-chg_01a10538-3519-7cd0-947f-b32a4ea13b8d"
    },
    {
      "id": "chg_01a10538-3519-73e4-bd40-73fd713655af",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "batch_validate",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "batch_validate"
      },
      "occurred_on": "2026-10-04",
      "occurred_at": "2026-10-04 04:42:12.066975+00",
      "observed_since": "2026-10-03",
      "source": "scan",
      "summary": "Tool “batch_validate” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/89rat-code402/rail#chg-chg_01a10538-3519-73e4-bd40-73fd713655af"
    },
    {
      "id": "chg_01a10538-3517-7f15-905d-c71c84dd579d",
      "kind": "check.reverified",
      "family": "https",
      "subject_kind": "check",
      "subject": "https",
      "subject_child": "",
      "from_code": "https.inconclusive",
      "to_code": "https.plaintext",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-04",
      "occurred_at": "2026-10-04 04:42:12.066975+00",
      "observed_since": "2026-10-03",
      "source": "scan",
      "summary": "HTTPS (unverified → fail)",
      "link": "https://verifymcp.io/servers/89rat-code402/rail#chg-chg_01a10538-3517-7f15-905d-c71c84dd579d"
    },
    {
      "id": "chg_01a10538-351f-71be-905e-a47883d7e01f",
      "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": "2026-10-04",
      "occurred_at": "2026-10-04 04:42:12.066975+00",
      "observed_since": "2026-10-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/89rat-code402/rail#chg-chg_01a10538-351f-71be-905e-a47883d7e01f"
    },
    {
      "id": "chg_01a10538-351e-781e-9f29-982161b7fee4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "vendor_onboarding_pack",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "vendor_onboarding_pack"
      },
      "occurred_on": "2026-10-04",
      "occurred_at": "2026-10-04 04:42:12.066975+00",
      "observed_since": "2026-10-03",
      "source": "scan",
      "summary": "Tool “vendor_onboarding_pack” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/89rat-code402/rail#chg-chg_01a10538-351e-781e-9f29-982161b7fee4"
    },
    {
      "id": "chg_01a10538-351d-774b-8aec-cdcfbb2b960d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "vat_mod97_check",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "vat_mod97_check"
      },
      "occurred_on": "2026-10-04",
      "occurred_at": "2026-10-04 04:42:12.066975+00",
      "observed_since": "2026-10-03",
      "source": "scan",
      "summary": "Tool “vat_mod97_check” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/89rat-code402/rail#chg-chg_01a10538-351d-774b-8aec-cdcfbb2b960d"
    },
    {
      "id": "chg_01a10538-351c-7cf9-8745-d2b63a4c8f5b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "swift_bic_check",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "swift_bic_check"
      },
      "occurred_on": "2026-10-04",
      "occurred_at": "2026-10-04 04:42:12.066975+00",
      "observed_since": "2026-10-03",
      "source": "scan",
      "summary": "Tool “swift_bic_check” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/89rat-code402/rail#chg-chg_01a10538-351c-7cf9-8745-d2b63a4c8f5b"
    },
    {
      "id": "chg_01a10538-351c-73e7-8e4f-8850e2f4024e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "pre_disbursement_guard",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "pre_disbursement_guard"
      },
      "occurred_on": "2026-10-04",
      "occurred_at": "2026-10-04 04:42:12.066975+00",
      "observed_since": "2026-10-03",
      "source": "scan",
      "summary": "Tool “pre_disbursement_guard” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/89rat-code402/rail#chg-chg_01a10538-351c-73e7-8e4f-8850e2f4024e"
    },
    {
      "id": "chg_01a10538-351b-74da-81be-414203e029e6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "lei_check",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "lei_check"
      },
      "occurred_on": "2026-10-04",
      "occurred_at": "2026-10-04 04:42:12.066975+00",
      "observed_since": "2026-10-03",
      "source": "scan",
      "summary": "Tool “lei_check” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/89rat-code402/rail#chg-chg_01a10538-351b-74da-81be-414203e029e6"
    },
    {
      "id": "chg_01a0f5bb-b8da-72d7-8c0f-4d8839868c0b",
      "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": "2026-10-01",
      "occurred_at": "2026-10-01 04:31:55.481821+00",
      "observed_since": "2026-09-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/89rat-code402/rail#chg-chg_01a0f5bb-b8da-72d7-8c0f-4d8839868c0b"
    },
    {
      "id": "chg_01a0eb6c-cbd9-7bbf-a9d4-31dcaad0fce8",
      "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": "2026-09-29",
      "occurred_at": "2026-09-29 04:29:30.822495+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/89rat-code402/rail#chg-chg_01a0eb6c-cbd9-7bbf-a9d4-31dcaad0fce8"
    },
    {
      "id": "chg_01a0e123-e119-7765-8fe1-fe202d323a01",
      "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": "2026-09-27",
      "occurred_at": "2026-09-27 04:33:40.015011+00",
      "observed_since": "2026-09-26",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/89rat-code402/rail#chg-chg_01a0e123-e119-7765-8fe1-fe202d323a01"
    }
  ],
  "days": [
    {
      "date": "2026-10-04",
      "total": 76,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 20
    },
    {
      "date": "2026-10-02",
      "total": 75,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 20,
        "to": 23,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 6,
          "to_days": 7
        },
        "partial": false,
        "compared_to": "2026-10-01",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 20 to 23. That category is still filling its 30-day observation window: 6 days of observed history at the previous scan, 7 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-01",
      "total": 74,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-30",
      "total": 74,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 13,
        "to": 17,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 4,
          "to_days": 5
        },
        "partial": false,
        "compared_to": "2026-09-29",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 13 to 17. That category is still filling its 30-day observation window: 4 days of observed history at the previous scan, 5 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-29",
      "total": 73,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-28",
      "total": 73,
      "delta": 8,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-27",
      "total": 65,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-26",
      "total": 65,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}