{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "ch-zeno-works-zeno",
  "component": "app",
  "generated_at": "2026-11-05T15:14:32.990Z",
  "tracking_since": "2026-10-12",
  "counts": {
    "critical": 0,
    "security": 13,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a1aacc-82f1-73c8-9507-ffd5f27c8903",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "reverse_gl_journal_entry",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "reverse_gl_journal_entry"
      },
      "occurred_on": "2026-11-05",
      "occurred_at": "2026-11-05 08:21:31.995005+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “reverse_gl_journal_entry” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ch-zeno-works-zeno/app#chg-chg_01a1aacc-82f1-73c8-9507-ffd5f27c8903"
    },
    {
      "id": "chg_01a1a075-39cf-7e52-8ff8-79577277685d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_gl_open_items",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_gl_open_items"
      },
      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 08:09:59.445147+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “list_gl_open_items” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ch-zeno-works-zeno/app#chg-chg_01a1a075-39cf-7e52-8ff8-79577277685d"
    },
    {
      "id": "chg_01a1a075-39d3-7b6e-8aef-a70b8c743938",
      "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 08:09:59.445147+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ch-zeno-works-zeno/app#chg-chg_01a1a075-39d3-7b6e-8aef-a70b8c743938"
    },
    {
      "id": "chg_01a186b8-a4b4-7d03-9c68-b9b072bfdf58",
      "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": "2026-10-29",
      "occurred_at": "2026-10-29 08:13:30.143073+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ch-zeno-works-zeno/app#chg-chg_01a186b8-a4b4-7d03-9c68-b9b072bfdf58"
    },
    {
      "id": "chg_01a1818e-1fd1-7b13-912c-8d38ea682c42",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "reverse_gl_journal_entry",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "reverse_gl_journal_entry"
      },
      "occurred_on": "2026-10-28",
      "occurred_at": "2026-10-28 08:08:57.507747+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “reverse_gl_journal_entry” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ch-zeno-works-zeno/app#chg-chg_01a1818e-1fd1-7b13-912c-8d38ea682c42"
    },
    {
      "id": "chg_01a17c67-76d9-790b-b12d-858bc376512e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "accept_autopost_decision",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "accept_autopost_decision"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 08:08:37.826638+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “accept_autopost_decision” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ch-zeno-works-zeno/app#chg-chg_01a17c67-76d9-790b-b12d-858bc376512e"
    },
    {
      "id": "chg_01a17c67-76da-7652-8fd8-6fd81e489ff7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_gl_journal_entries",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_gl_journal_entries"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 08:08:37.826638+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “list_gl_journal_entries” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ch-zeno-works-zeno/app#chg-chg_01a17c67-76da-7652-8fd8-6fd81e489ff7"
    },
    {
      "id": "chg_01a17c67-76db-7a42-99d3-48627ae0d35d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_items",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_items"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 08:08:37.826638+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “list_items” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ch-zeno-works-zeno/app#chg-chg_01a17c67-76db-7a42-99d3-48627ae0d35d"
    },
    {
      "id": "chg_01a17c67-76dc-76e7-bfce-19423af75836",
      "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 08:08:37.826638+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/ch-zeno-works-zeno/app#chg-chg_01a17c67-76dc-76e7-bfce-19423af75836"
    },
    {
      "id": "chg_01a1585c-6fe0-7b1f-b69e-74faef6d35aa",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "accept_autopost_decision",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "accept_autopost_decision"
      },
      "occurred_on": "2026-10-20",
      "occurred_at": "2026-10-20 08:10:15.377107+00",
      "observed_since": "2026-10-19",
      "source": "scan",
      "summary": "Tool “accept_autopost_decision” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ch-zeno-works-zeno/app#chg-chg_01a1585c-6fe0-7b1f-b69e-74faef6d35aa"
    },
    {
      "id": "chg_01a1585c-6fe1-7514-a61b-47d8bac055e9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_autopost_decisions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_autopost_decisions"
      },
      "occurred_on": "2026-10-20",
      "occurred_at": "2026-10-20 08:10:15.377107+00",
      "observed_since": "2026-10-19",
      "source": "scan",
      "summary": "Tool “list_autopost_decisions” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ch-zeno-works-zeno/app#chg-chg_01a1585c-6fe1-7514-a61b-47d8bac055e9"
    },
    {
      "id": "chg_01a1585c-6fe2-7d83-9050-12f4f08d2abb",
      "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": "2026-10-20",
      "occurred_at": "2026-10-20 08:10:15.377107+00",
      "observed_since": "2026-10-19",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ch-zeno-works-zeno/app#chg-chg_01a1585c-6fe2-7d83-9050-12f4f08d2abb"
    },
    {
      "id": "chg_01a13977-7ca6-700f-a865-350543df74ac",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "accept_autopost_decision",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "accept_autopost_decision"
      },
      "occurred_on": "2026-10-14",
      "occurred_at": "2026-10-14 08:11:32.755782+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “accept_autopost_decision” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ch-zeno-works-zeno/app#chg-chg_01a13977-7ca6-700f-a865-350543df74ac"
    }
  ],
  "days": [
    {
      "date": "2026-11-05",
      "total": 86,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-11-04",
      "total": 85,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-11-03",
      "total": 85,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-11-02",
      "total": 84,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-11-01",
      "total": 84,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-31",
      "total": 83,
      "delta": 0,
      "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": 57,
        "to": 60,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 17,
          "to_days": 18
        },
        "partial": false,
        "compared_to": "2026-10-29",
        "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": "2026-10-29",
      "total": 82,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    }
  ]
}