{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "org-openweathermap-agents",
  "component": "mcp",
  "generated_at": "2026-09-22T16:39:49.171Z",
  "tracking_since": "2026-09-04",
  "counts": {
    "critical": 0,
    "security": 6,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0897a-b554-7498-8e09-b603f2078636",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "account_status",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "account_status"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:01:55.455646+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “account_status” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/org-openweathermap-agents/mcp#chg-chg_01a0897a-b554-7498-8e09-b603f2078636"
    },
    {
      "id": "chg_01a0897a-b555-72f8-be9a-9c4993ffefac",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "fetch_data",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "fetch_data"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:01:55.455646+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “fetch_data” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/org-openweathermap-agents/mcp#chg-chg_01a0897a-b555-72f8-be9a-9c4993ffefac"
    },
    {
      "id": "chg_01a0897a-b555-772e-a010-b0d4d33174f1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "sign_up",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "sign_up"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:01:55.455646+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “sign_up” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/org-openweathermap-agents/mcp#chg-chg_01a0897a-b555-772e-a010-b0d4d33174f1"
    },
    {
      "id": "chg_01a0897a-b555-7c0a-bc03-f2630d6f61f7",
      "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 04:01:55.455646+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/org-openweathermap-agents/mcp#chg-chg_01a0897a-b555-7c0a-bc03-f2630d6f61f7"
    },
    {
      "id": "chg_01a08454-748f-7ab3-bef5-44a698274f36",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "fetch_data",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "fetch_data"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 04:02:02.32448+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “fetch_data” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/org-openweathermap-agents/mcp#chg-chg_01a08454-748f-7ab3-bef5-44a698274f36"
    },
    {
      "id": "chg_01a08454-7490-7d64-9686-c83259f8435f",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 04:02:02.32448+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/org-openweathermap-agents/mcp#chg-chg_01a08454-7490-7d64-9686-c83259f8435f"
    }
  ],
  "days": [
    {
      "date": "2026-09-22",
      "total": 81,
      "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": "2026-09-21",
        "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": "2026-09-20",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 50,
        "to": 53,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 15,
          "to_days": 16
        },
        "partial": false,
        "compared_to": "2026-09-19",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 50 to 53. That category is still filling its 30-day observation window: 15 days of observed history at the previous scan, 16 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-18",
      "total": 79,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 43,
        "to": 47,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 13,
          "to_days": 14
        },
        "partial": false,
        "compared_to": "2026-09-17",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 43 to 47. That category is still filling its 30-day observation window: 13 days of observed history at the previous scan, 14 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-15",
      "total": 78,
      "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": "2026-09-14",
        "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": "2026-09-13",
      "total": 77,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 27,
        "to": 30,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 8,
          "to_days": 9
        },
        "partial": false,
        "compared_to": "2026-09-12",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 27 to 30. That category is still filling its 30-day observation window: 8 days of observed history at the previous scan, 9 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-11",
      "total": 76,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 20,
        "to": 23,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 6,
          "to_days": 7
        },
        "partial": false,
        "compared_to": "2026-09-10",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 20 to 23. That category is still filling its 30-day observation window: 6 days of observed history at the previous scan, 7 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-10",
      "total": 75,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-09-09",
      "total": 75,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    }
  ]
}