{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-thejohnsonbros-plumbing-booking",
  "component": "thejohnsonbros",
  "generated_at": "2026-09-26T09:12:37.616Z",
  "tracking_since": "2026-08-22",
  "counts": {
    "critical": 1,
    "security": 25,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0c14f-e19b-764f-b9cb-f6648a98bb33",
      "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": "2026-09-21",
      "occurred_at": "2026-09-21 00:13:52.879976+00",
      "observed_since": "2026-09-20",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a0c14f-e19b-764f-b9cb-f6648a98bb33"
    },
    {
      "id": "chg_01a0a26b-2dcd-7a7e-9834-95bd6d84acdd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "check_service_area",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "check_service_area"
      },
      "occurred_on": "2026-09-15",
      "occurred_at": "2026-09-15 00:15:28.166472+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Tool “check_service_area” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a0a26b-2dcd-7a7e-9834-95bd6d84acdd"
    },
    {
      "id": "chg_01a0a26b-2dcf-71df-b1d3-5417a3fb5a73",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_availability",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_availability"
      },
      "occurred_on": "2026-09-15",
      "occurred_at": "2026-09-15 00:15:28.166472+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Tool “get_availability” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a0a26b-2dcf-71df-b1d3-5417a3fb5a73"
    },
    {
      "id": "chg_01a0a26b-2dd0-7c45-b490-1d5de92dc3e7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "submit_customer_info",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "submit_customer_info"
      },
      "occurred_on": "2026-09-15",
      "occurred_at": "2026-09-15 00:15:28.166472+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Tool “submit_customer_info” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a0a26b-2dd0-7c45-b490-1d5de92dc3e7"
    },
    {
      "id": "chg_01a0a26b-2dd2-70ce-a692-bc32206c61e5",
      "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": "2026-09-15",
      "occurred_at": "2026-09-15 00:15:28.166472+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a0a26b-2dd2-70ce-a692-bc32206c61e5"
    },
    {
      "id": "chg_01a09d44-1a9e-778b-adb5-1f830c7e0b41",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_no_destructive",
      "to_code": "auth.none_destructive",
      "from_value": "partial",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "submit_customer_info"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Authorization (partial → fail)",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1a9e-778b-adb5-1f830c7e0b41"
    },
    {
      "id": "chg_01a09d44-1aa0-750f-8015-0c538e68777a",
      "kind": "tool.destructive_set",
      "family": "",
      "subject_kind": "tool",
      "subject": "confirm_booking",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "false",
      "to_value": "true",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "true",
        "from": "false",
        "tool": "confirm_booking"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool “confirm_booking” is now declared destructive",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa0-750f-8015-0c538e68777a"
    },
    {
      "id": "chg_01a09d44-1aa0-79e8-9b2d-0767b0e55061",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "confirm_booking",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "confirm_booking"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool “confirm_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa0-79e8-9b2d-0767b0e55061"
    },
    {
      "id": "chg_01a09d44-1aa0-7e8a-89ba-7d774bc00fdd",
      "kind": "tool.destructive_set",
      "family": "",
      "subject_kind": "tool",
      "subject": "request_booking",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "false",
      "to_value": "true",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "true",
        "from": "false",
        "tool": "request_booking"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool “request_booking” is now declared destructive",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa0-7e8a-89ba-7d774bc00fdd"
    },
    {
      "id": "chg_01a09d44-1aa2-72c2-aef8-f420c632ef5a",
      "kind": "tool.destructive_set",
      "family": "",
      "subject_kind": "tool",
      "subject": "request_callback",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "false",
      "to_value": "true",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "true",
        "from": "false",
        "tool": "request_callback"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool “request_callback” is now declared destructive",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa2-72c2-aef8-f420c632ef5a"
    },
    {
      "id": "chg_01a09d44-1aa2-7869-bfe1-d00bd899352d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "request_callback",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "request_callback"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool “request_callback” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa2-7869-bfe1-d00bd899352d"
    },
    {
      "id": "chg_01a09d44-1aa2-7d8d-9c4a-c9e23697f484",
      "kind": "tool.added",
      "family": "",
      "subject_kind": "tool",
      "subject": "customer_lookup",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "customer_lookup",
        "destructive": "true"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "New tool “customer_lookup”, which the server declares destructive",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa2-7d8d-9c4a-c9e23697f484"
    },
    {
      "id": "chg_01a09d44-1aa3-7ae4-99be-7af0c644c14f",
      "kind": "tool.added",
      "family": "",
      "subject_kind": "tool",
      "subject": "submit_customer_info",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "submit_customer_info",
        "destructive": "true"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "New tool “submit_customer_info”, which the server declares destructive",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa3-7ae4-99be-7af0c644c14f"
    },
    {
      "id": "chg_01a09d44-1aa3-7e9d-8f3c-aac325c78b5c",
      "kind": "resource.uri_changed",
      "family": "",
      "subject_kind": "resource",
      "subject": "availability-widget",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "ui://widget/v2/availability.html",
      "to_value": "ui://widget/v4/availability.html",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "ui://widget/v4/availability.html",
        "from": "ui://widget/v2/availability.html",
        "resource": "availability-widget"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Resource “availability-widget” now points somewhere else (ui://widget/v2/availability.html → ui://widget/v4/availability.html)",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa3-7e9d-8f3c-aac325c78b5c"
    },
    {
      "id": "chg_01a09d44-1aa4-74a9-8aa7-674d83569c23",
      "kind": "resource.uri_changed",
      "family": "",
      "subject_kind": "resource",
      "subject": "booking-confirmation-widget",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "ui://widget/v2/booking-confirmation.html",
      "to_value": "ui://widget/v4/booking-confirmation.html",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "ui://widget/v4/booking-confirmation.html",
        "from": "ui://widget/v2/booking-confirmation.html",
        "resource": "booking-confirmation-widget"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Resource “booking-confirmation-widget” now points somewhere else (ui://widget/v2/booking-confirmation.html → ui://widget/v4/booking-confirmation.html)",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa4-74a9-8aa7-674d83569c23"
    },
    {
      "id": "chg_01a09d44-1aa4-78d3-9d31-b095a7206644",
      "kind": "resource.uri_changed",
      "family": "",
      "subject_kind": "resource",
      "subject": "date-picker-widget",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "ui://widget/v2/date-picker.html",
      "to_value": "ui://widget/v4/date-picker.html",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "ui://widget/v4/date-picker.html",
        "from": "ui://widget/v2/date-picker.html",
        "resource": "date-picker-widget"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Resource “date-picker-widget” now points somewhere else (ui://widget/v2/date-picker.html → ui://widget/v4/date-picker.html)",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa4-78d3-9d31-b095a7206644"
    },
    {
      "id": "chg_01a09d44-1aa4-7d75-9da4-beea0d7b8a22",
      "kind": "resource.uri_changed",
      "family": "",
      "subject_kind": "resource",
      "subject": "emergency-widget",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "ui://widget/v2/emergency.html",
      "to_value": "ui://widget/v4/emergency.html",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "ui://widget/v4/emergency.html",
        "from": "ui://widget/v2/emergency.html",
        "resource": "emergency-widget"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Resource “emergency-widget” now points somewhere else (ui://widget/v2/emergency.html → ui://widget/v4/emergency.html)",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa4-7d75-9da4-beea0d7b8a22"
    },
    {
      "id": "chg_01a09d44-1aa5-727e-843e-c7b265bc4cde",
      "kind": "resource.uri_changed",
      "family": "",
      "subject_kind": "resource",
      "subject": "lead-capture-widget",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "ui://widget/v2/lead-capture.html",
      "to_value": "ui://widget/v4/lead-capture.html",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "ui://widget/v4/lead-capture.html",
        "from": "ui://widget/v2/lead-capture.html",
        "resource": "lead-capture-widget"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Resource “lead-capture-widget” now points somewhere else (ui://widget/v2/lead-capture.html → ui://widget/v4/lead-capture.html)",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa5-727e-843e-c7b265bc4cde"
    },
    {
      "id": "chg_01a09d44-1aa5-7759-bed3-2d9287233a71",
      "kind": "resource.uri_changed",
      "family": "",
      "subject_kind": "resource",
      "subject": "quote-widget",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "ui://widget/v2/quote.html",
      "to_value": "ui://widget/v4/quote.html",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "ui://widget/v4/quote.html",
        "from": "ui://widget/v2/quote.html",
        "resource": "quote-widget"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Resource “quote-widget” now points somewhere else (ui://widget/v2/quote.html → ui://widget/v4/quote.html)",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa5-7759-bed3-2d9287233a71"
    },
    {
      "id": "chg_01a09d44-1aa5-7ada-9afa-1a1b7b1f082e",
      "kind": "resource.uri_changed",
      "family": "",
      "subject_kind": "resource",
      "subject": "service-fee-widget",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "ui://widget/v2/service-fee.html",
      "to_value": "ui://widget/v4/service-fee.html",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "ui://widget/v4/service-fee.html",
        "from": "ui://widget/v2/service-fee.html",
        "resource": "service-fee-widget"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Resource “service-fee-widget” now points somewhere else (ui://widget/v2/service-fee.html → ui://widget/v4/service-fee.html)",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa5-7ada-9afa-1a1b7b1f082e"
    },
    {
      "id": "chg_01a09d44-1aa5-7e31-ac64-a648a7d63cbb",
      "kind": "resource.uri_changed",
      "family": "",
      "subject_kind": "resource",
      "subject": "services-widget",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "ui://widget/v2/services.html",
      "to_value": "ui://widget/v4/services.html",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "ui://widget/v4/services.html",
        "from": "ui://widget/v2/services.html",
        "resource": "services-widget"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Resource “services-widget” now points somewhere else (ui://widget/v2/services.html → ui://widget/v4/services.html)",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa5-7e31-ac64-a648a7d63cbb"
    },
    {
      "id": "chg_01a09d44-1aa6-7247-8124-8c9f5732b8a8",
      "kind": "resource.uri_changed",
      "family": "",
      "subject_kind": "resource",
      "subject": "time-picker-widget",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "ui://widget/v2/time-picker.html",
      "to_value": "ui://widget/v4/time-picker.html",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "ui://widget/v4/time-picker.html",
        "from": "ui://widget/v2/time-picker.html",
        "resource": "time-picker-widget"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Resource “time-picker-widget” now points somewhere else (ui://widget/v2/time-picker.html → ui://widget/v4/time-picker.html)",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa6-7247-8124-8c9f5732b8a8"
    },
    {
      "id": "chg_01a09d44-1aa6-7af6-906d-ec2885aa16af",
      "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": "2026-09-14",
      "occurred_at": "2026-09-14 00:14:41.275623+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09d44-1aa6-7af6-906d-ec2885aa16af"
    },
    {
      "id": "chg_01a09300-1675-7580-97b8-495f569c0ee4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "business_info",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "business_info"
      },
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 00:24:11.584304+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “business_info” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09300-1675-7580-97b8-495f569c0ee4"
    },
    {
      "id": "chg_01a09300-1676-7012-a7e6-42fe471379c4",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 00:24:11.584304+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a09300-1676-7012-a7e6-42fe471379c4"
    },
    {
      "id": "chg_01a08dda-935c-7536-bd87-c789043aa11e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_quote",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_quote"
      },
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 00:25:07.072347+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “get_quote” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-thejohnsonbros-plumbing-booking/thejohnsonbros#chg-chg_01a08dda-935c-7536-bd87-c789043aa11e"
    }
  ],
  "days": [
    {
      "date": "2026-09-25",
      "total": 74,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-21",
      "total": 75,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-19",
      "total": 74,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 90,
        "to": 93,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 27,
          "to_days": 28
        },
        "partial": false,
        "compared_to": "2026-09-18",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 90 to 93. That category is still filling its 30-day observation window: 27 days of observed history at the previous scan, 28 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-17",
      "total": 73,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 83,
        "to": 87,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 25,
          "to_days": 26
        },
        "partial": false,
        "compared_to": "2026-09-16",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 83 to 87. That category is still filling its 30-day observation window: 25 days of observed history at the previous scan, 26 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-15",
      "total": 72,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 10
    },
    {
      "date": "2026-09-14",
      "total": 72,
      "delta": -6,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 25
    },
    {
      "date": "2026-09-13",
      "total": 78,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 70,
        "to": 73,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 21,
          "to_days": 22
        },
        "partial": false,
        "compared_to": "2026-09-12",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 70 to 73. That category is still filling its 30-day observation window: 21 days of observed history at the previous scan, 22 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-12",
      "total": 77,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    }
  ]
}