{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "ai-zaptu-zaptu",
  "component": "api",
  "generated_at": "2026-11-05T11:49:26.058Z",
  "tracking_since": "2026-10-10",
  "counts": {
    "critical": 0,
    "security": 12,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a17c69-9899-71a8-8c16-b8af75a4a626",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.53",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "17",
        "added": "0",
        "breaks": "0",
        "removed": "1",
        "auth_transport": "0"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 08:10:57.522677+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Stability (0.53 → fail)",
      "link": "https://verifymcp.io/servers/ai-zaptu-zaptu/api#chg-chg_01a17c69-9899-71a8-8c16-b8af75a4a626"
    },
    {
      "id": "chg_01a17c69-989c-7adc-9db3-ae61b1264d39",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_plumbing_call_number",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_plumbing_call_number"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 08:10:57.522677+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “get_plumbing_call_number” was removed",
      "link": "https://verifymcp.io/servers/ai-zaptu-zaptu/api#chg-chg_01a17c69-989c-7adc-9db3-ae61b1264d39"
    },
    {
      "id": "chg_01a17c69-98a0-7862-bb5a-a8a590cd858e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_supported_services",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_supported_services"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 08:10:57.522677+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “list_supported_services” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-zaptu-zaptu/api#chg-chg_01a17c69-98a0-7862-bb5a-a8a590cd858e"
    },
    {
      "id": "chg_01a17c69-98a1-7425-8845-e6ce7ee0d01b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "request_cleaning",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "request_cleaning"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 08:10:57.522677+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “request_cleaning” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-zaptu-zaptu/api#chg-chg_01a17c69-98a1-7425-8845-e6ce7ee0d01b"
    },
    {
      "id": "chg_01a17c69-98a1-7cd1-8bcd-0732764212ad",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "request_home_service",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "request_home_service"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 08:10:57.522677+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “request_home_service” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-zaptu-zaptu/api#chg-chg_01a17c69-98a1-7cd1-8bcd-0732764212ad"
    },
    {
      "id": "chg_01a17c69-98a4-7cc0-b64b-cc3fe85ee4c6",
      "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 08:10:57.522677+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/ai-zaptu-zaptu/api#chg-chg_01a17c69-98a4-7cc0-b64b-cc3fe85ee4c6"
    },
    {
      "id": "chg_01a17c69-98a5-7241-a39b-b126ee6055e8",
      "kind": "server.breaking_without_version_bump",
      "family": "",
      "subject_kind": "server",
      "subject": "0.2.0",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "0.2.0",
      "to_value": "0.2.0",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "removed": "1",
        "version": "0.2.0",
        "breaking": "0"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 08:10:57.522677+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 0.2.0)",
      "link": "https://verifymcp.io/servers/ai-zaptu-zaptu/api#chg-chg_01a17c69-98a5-7241-a39b-b126ee6055e8"
    },
    {
      "id": "chg_01a1585f-3883-71b8-9840-dab29844e178",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "request_cleaning",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "request_cleaning"
      },
      "occurred_on": "2026-10-20",
      "occurred_at": "2026-10-20 08:13:17.812567+00",
      "observed_since": "2026-10-19",
      "source": "scan",
      "summary": "Tool “request_cleaning” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-zaptu-zaptu/api#chg-chg_01a1585f-3883-71b8-9840-dab29844e178"
    },
    {
      "id": "chg_01a1585f-3884-71a8-a953-2486ab3ad39a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "request_home_service",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "request_home_service"
      },
      "occurred_on": "2026-10-20",
      "occurred_at": "2026-10-20 08:13:17.812567+00",
      "observed_since": "2026-10-19",
      "source": "scan",
      "summary": "Tool “request_home_service” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-zaptu-zaptu/api#chg-chg_01a1585f-3884-71a8-a953-2486ab3ad39a"
    },
    {
      "id": "chg_01a1585f-3884-7c7c-8053-b0468c28ede7",
      "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 08:13:17.812567+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/ai-zaptu-zaptu/api#chg-chg_01a1585f-3884-7c7c-8053-b0468c28ede7"
    },
    {
      "id": "chg_01a13ea1-1738-7dfa-8bf8-8c186bf38222",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "request_home_service",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "request_home_service"
      },
      "occurred_on": "2026-10-15",
      "occurred_at": "2026-10-15 08:15:05.646346+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "Tool “request_home_service” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-zaptu-zaptu/api#chg-chg_01a13ea1-1738-7dfa-8bf8-8c186bf38222"
    },
    {
      "id": "chg_01a13ea1-1797-7cd9-9f2c-59fdb4c3da8d",
      "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": "2026-10-15",
      "occurred_at": "2026-10-15 08:15:05.646346+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ai-zaptu-zaptu/api#chg-chg_01a13ea1-1797-7cd9-9f2c-59fdb4c3da8d"
    }
  ],
  "days": [
    {
      "date": "2026-11-03",
      "total": 75,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 54,
        "to": 58,
        "delta": 4,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-11-02",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 54 to 58."
      },
      "event_count": 0
    },
    {
      "date": "2026-11-01",
      "total": 74,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 48,
        "to": 51,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-31",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 48 to 51."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-30",
      "total": 73,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 41,
        "to": 44,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-29",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 41 to 44."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-28",
      "total": 72,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 34,
        "to": 38,
        "delta": 4,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-27",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 34 to 38."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-27",
      "total": 71,
      "delta": -3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 10
    },
    {
      "date": "2026-10-25",
      "total": 74,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 47,
        "to": 50,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 14,
          "to_days": 15
        },
        "partial": false,
        "compared_to": "2026-10-24",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 47 to 50. That category is still filling its 30-day observation window: 14 days of observed history at the previous scan, 15 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-23",
      "total": 73,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 40,
        "to": 43,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 12,
          "to_days": 13
        },
        "partial": false,
        "compared_to": "2026-10-22",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 40 to 43. That category is still filling its 30-day observation window: 12 days of observed history at the previous scan, 13 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-21",
      "total": 72,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 33,
        "to": 37,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 10,
          "to_days": 11
        },
        "partial": false,
        "compared_to": "2026-10-20",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 33 to 37. That category is still filling its 30-day observation window: 10 days of observed history at the previous scan, 11 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}