{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "dev-precleared-contact-check",
  "component": "precleared",
  "generated_at": "2026-11-05T18:51:22.172Z",
  "tracking_since": "2026-10-12",
  "counts": {
    "critical": 0,
    "security": 11,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a1a109-7b4d-7b03-984f-e9715f57d13c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "contact_check",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "contact_check"
      },
      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 10:51:55.550449+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “contact_check” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-precleared-contact-check/precleared#chg-chg_01a1a109-7b4d-7b03-984f-e9715f57d13c"
    },
    {
      "id": "chg_01a1a109-7b4f-76e9-abca-1bf641f12afe",
      "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": "2026-11-03",
      "occurred_at": "2026-11-03 10:51:55.550449+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-precleared-contact-check/precleared#chg-chg_01a1a109-7b4f-76e9-abca-1bf641f12afe"
    },
    {
      "id": "chg_01a19998-3454-7416-9b50-de0873916cec",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "contact_check",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "contact_check"
      },
      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 00:10:51.302225+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “contact_check” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-precleared-contact-check/precleared#chg-chg_01a19998-3454-7416-9b50-de0873916cec"
    },
    {
      "id": "chg_01a19477-d696-7f1c-abfd-8bf5e7898d39",
      "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 00:17:24.088148+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/dev-precleared-contact-check/precleared#chg-chg_01a19477-d696-7f1c-abfd-8bf5e7898d39"
    },
    {
      "id": "chg_01a18a35-c015-7c4b-8a9f-c89776eb4e42",
      "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": "2026-10-30",
      "occurred_at": "2026-10-30 00:29:00.762573+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-precleared-contact-check/precleared#chg-chg_01a18a35-c015-7c4b-8a9f-c89776eb4e42"
    },
    {
      "id": "chg_01a17ab7-d69f-709e-912c-007eb2de7e3b",
      "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": "2026-10-27",
      "occurred_at": "2026-10-27 00:17:10.771826+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-precleared-contact-check/precleared#chg-chg_01a17ab7-d69f-709e-912c-007eb2de7e3b"
    },
    {
      "id": "chg_01a1472c-516a-7718-9d15-3627bcf94287",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "contact_check",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "contact_check"
      },
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 00:04:09.181081+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool “contact_check” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-precleared-contact-check/precleared#chg-chg_01a1472c-516a-7718-9d15-3627bcf94287"
    },
    {
      "id": "chg_01a1472c-516b-74c9-ac5f-7799306363f7",
      "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 00:04:09.181081+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/dev-precleared-contact-check/precleared#chg-chg_01a1472c-516b-74c9-ac5f-7799306363f7"
    },
    {
      "id": "chg_01a13416-c11a-7439-b36d-54211737588e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "contact_check",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "contact_check"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 07:07:48.862989+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “contact_check” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-precleared-contact-check/precleared#chg-chg_01a13416-c11a-7439-b36d-54211737588e"
    },
    {
      "id": "chg_01a13416-c11d-7226-92d8-0ca19804fa48",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "verify_receipt",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "verify_receipt"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 07:07:48.862989+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “verify_receipt” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-precleared-contact-check/precleared#chg-chg_01a13416-c11d-7226-92d8-0ca19804fa48"
    },
    {
      "id": "chg_01a13416-c11d-7628-bceb-4e47f949b0aa",
      "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": "2026-10-13",
      "occurred_at": "2026-10-13 07:07:48.862989+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-precleared-contact-check/precleared#chg-chg_01a13416-c11d-7628-bceb-4e47f949b0aa"
    }
  ],
  "days": [
    {
      "date": "2026-11-04",
      "total": 82,
      "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": "2026-11-03",
        "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": "2026-11-03",
      "total": 81,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-11-02",
      "total": 81,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-11-01",
      "total": 81,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-10-31",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 60,
        "to": 63,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 18,
          "to_days": 19
        },
        "partial": false,
        "compared_to": "2026-10-30",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 60 to 63. That category is still filling its 30-day observation window: 18 days of observed history at the previous scan, 19 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-30",
      "total": 79,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-29",
      "total": 79,
      "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": "2026-10-28",
        "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
    },
    {
      "date": "2026-10-27",
      "total": 78,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}