{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "ca-parksopen-parksopen",
  "component": "api-mcp",
  "generated_at": "2026-09-20T17:29:41.492Z",
  "tracking_since": "2026-09-07",
  "counts": {
    "critical": 0,
    "security": 10,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0adf3-be66-7abe-8c08-9e0d27c10fee",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "parksopen_check_alerts",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "parksopen_check_alerts"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 06:00:27.275276+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “parksopen_check_alerts” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ca-parksopen-parksopen/api-mcp#chg-chg_01a0adf3-be66-7abe-8c08-9e0d27c10fee"
    },
    {
      "id": "chg_01a0adf3-be6a-7793-b10c-e42d9598cf3b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "parksopen_check_weather",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "parksopen_check_weather"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 06:00:27.275276+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “parksopen_check_weather” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ca-parksopen-parksopen/api-mcp#chg-chg_01a0adf3-be6a-7793-b10c-e42d9598cf3b"
    },
    {
      "id": "chg_01a0adf3-be6b-782d-9d06-151534b4d324",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "parksopen_find_open_parks",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "parksopen_find_open_parks"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 06:00:27.275276+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “parksopen_find_open_parks” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ca-parksopen-parksopen/api-mcp#chg-chg_01a0adf3-be6b-782d-9d06-151534b4d324"
    },
    {
      "id": "chg_01a0adf3-be6c-71b6-9a5e-fd5d683452ec",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "parksopen_get_booking_link",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "parksopen_get_booking_link"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 06:00:27.275276+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “parksopen_get_booking_link” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ca-parksopen-parksopen/api-mcp#chg-chg_01a0adf3-be6c-71b6-9a5e-fd5d683452ec"
    },
    {
      "id": "chg_01a0adf3-be6c-7cc9-a6ca-e9ede8b43a91",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "parksopen_park_availability_calendar",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "parksopen_park_availability_calendar"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 06:00:27.275276+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “parksopen_park_availability_calendar” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ca-parksopen-parksopen/api-mcp#chg-chg_01a0adf3-be6c-7cc9-a6ca-e9ede8b43a91"
    },
    {
      "id": "chg_01a0adf3-be6e-7afa-a717-316550378c51",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "parksopen_park_info",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "parksopen_park_info"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 06:00:27.275276+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “parksopen_park_info” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ca-parksopen-parksopen/api-mcp#chg-chg_01a0adf3-be6e-7afa-a717-316550378c51"
    },
    {
      "id": "chg_01a0adf3-be6f-762b-8be7-b13a35b303a3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "parksopen_search_campsites",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "parksopen_search_campsites"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 06:00:27.275276+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “parksopen_search_campsites” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ca-parksopen-parksopen/api-mcp#chg-chg_01a0adf3-be6f-762b-8be7-b13a35b303a3"
    },
    {
      "id": "chg_01a0adf3-be72-7bce-a694-9fc30d8163b5",
      "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": "2026-09-17",
      "occurred_at": "2026-09-17 06:00:27.275276+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ca-parksopen-parksopen/api-mcp#chg-chg_01a0adf3-be72-7bce-a694-9fc30d8163b5"
    },
    {
      "id": "chg_01a089f4-e6e7-7e80-866f-c757c2ce0faa",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "parksopen_search_campsites",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "parksopen_search_campsites"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 06:15:23.377057+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “parksopen_search_campsites” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ca-parksopen-parksopen/api-mcp#chg-chg_01a089f4-e6e7-7e80-866f-c757c2ce0faa"
    },
    {
      "id": "chg_01a089f4-e6e9-7514-ad26-254ab652ec86",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 06:15:23.377057+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ca-parksopen-parksopen/api-mcp#chg-chg_01a089f4-e6e9-7514-ad26-254ab652ec86"
    }
  ],
  "days": [
    {
      "date": "2026-09-18",
      "total": 81,
      "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": "2026-09-17",
        "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
    },
    {
      "date": "2026-09-17",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 18
    },
    {
      "date": "2026-09-15",
      "total": 79,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 23,
        "to": 27,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 7,
          "to_days": 8
        },
        "partial": false,
        "compared_to": "2026-09-14",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-12",
      "total": 78,
      "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": "2026-09-11",
        "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": "2026-09-10",
      "total": 77,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-09-08",
      "total": 76,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-07",
      "total": 75,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}