{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "io-openwaters-ais",
  "component": "ais",
  "generated_at": "2026-10-08T13:46:54.938Z",
  "tracking_since": "2026-09-18",
  "counts": {
    "critical": 0,
    "security": 15,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a102b5-b8e3-73ce-a170-41cc08d194e2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_vessel_track",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_vessel_track"
      },
      "occurred_on": "2026-10-03",
      "occurred_at": "2026-10-03 17:00:25.803139+00",
      "observed_since": "2026-10-03",
      "source": "scan",
      "summary": "Tool “get_vessel_track” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-openwaters-ais/ais#chg-chg_01a102b5-b8e3-73ce-a170-41cc08d194e2"
    },
    {
      "id": "chg_01a102b5-b8e6-7b91-a39b-10289c9fd5a1",
      "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": "2026-10-03",
      "occurred_at": "2026-10-03 17:00:25.803139+00",
      "observed_since": "2026-10-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/io-openwaters-ais/ais#chg-chg_01a102b5-b8e6-7b91-a39b-10289c9fd5a1"
    },
    {
      "id": "chg_01a0f97b-7577-79c3-8cfa-86494e0905e1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_vessels",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_vessels"
      },
      "occurred_on": "2026-10-01",
      "occurred_at": "2026-10-01 22:00:12.725948+00",
      "observed_since": "2026-10-01",
      "source": "scan",
      "summary": "Tool “get_vessels” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-openwaters-ais/ais#chg-chg_01a0f97b-7577-79c3-8cfa-86494e0905e1"
    },
    {
      "id": "chg_01a0f97b-757a-7a55-8b02-70dd41f7686b",
      "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": "2026-10-01",
      "occurred_at": "2026-10-01 22:00:12.725948+00",
      "observed_since": "2026-10-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/io-openwaters-ais/ais#chg-chg_01a0f97b-757a-7a55-8b02-70dd41f7686b"
    },
    {
      "id": "chg_01a0f4c3-e36e-7e55-b990-bfc53bc6f584",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_coverage",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_coverage"
      },
      "occurred_on": "2026-10-01",
      "occurred_at": "2026-10-01 00:01:13.514551+00",
      "observed_since": "2026-09-30",
      "source": "scan",
      "summary": "Tool “get_coverage” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-openwaters-ais/ais#chg-chg_01a0f4c3-e36e-7e55-b990-bfc53bc6f584"
    },
    {
      "id": "chg_01a0f30b-9b75-76a9-8723-d8fe86465503",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_vessel_track",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_vessel_track"
      },
      "occurred_on": "2026-09-30",
      "occurred_at": "2026-09-30 16:00:19.172761+00",
      "observed_since": "2026-09-30",
      "source": "scan",
      "summary": "Tool “get_vessel_track” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-openwaters-ais/ais#chg-chg_01a0f30b-9b75-76a9-8723-d8fe86465503"
    },
    {
      "id": "chg_01a0f30b-9b79-7587-a22b-b7840fc73a86",
      "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": "2026-09-30",
      "occurred_at": "2026-09-30 16:00:19.172761+00",
      "observed_since": "2026-09-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/io-openwaters-ais/ais#chg-chg_01a0f30b-9b79-7587-a22b-b7840fc73a86"
    },
    {
      "id": "chg_01a0ef65-b166-75f4-aed3-1ba2dac4f1ac",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_vessel_track",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_vessel_track"
      },
      "occurred_on": "2026-09-29",
      "occurred_at": "2026-09-29 23:00:13.514171+00",
      "observed_since": "2026-09-29",
      "source": "scan",
      "summary": "Tool “get_vessel_track” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-openwaters-ais/ais#chg-chg_01a0ef65-b166-75f4-aed3-1ba2dac4f1ac"
    },
    {
      "id": "chg_01a0e963-998e-7704-88e8-ad1b5adc1ad9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "find_vessels_near",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "find_vessels_near"
      },
      "occurred_on": "2026-09-28",
      "occurred_at": "2026-09-28 19:00:10.149112+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Tool “find_vessels_near” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-openwaters-ais/ais#chg-chg_01a0e963-998e-7704-88e8-ad1b5adc1ad9"
    },
    {
      "id": "chg_01a0e5fd-50d0-7ace-9d9a-be4c532388b8",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.none_no_destructive",
      "from_value": "unverified",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-28",
      "occurred_at": "2026-09-28 03:09:38.710797+00",
      "observed_since": "2026-09-27",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/io-openwaters-ais/ais#chg-chg_01a0e5fd-50d0-7ace-9d9a-be4c532388b8"
    },
    {
      "id": "chg_01a0e5fd-50d8-7196-a902-992f44e686c9",
      "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": "2026-09-28",
      "occurred_at": "2026-09-28 03:09:38.710797+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/io-openwaters-ais/ais#chg-chg_01a0e5fd-50d8-7196-a902-992f44e686c9"
    },
    {
      "id": "chg_01a0ce5a-2df0-7995-9d47-f26766fe0603",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_coverage",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_coverage"
      },
      "occurred_on": "2026-09-23",
      "occurred_at": "2026-09-23 13:00:11.347991+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Tool “get_coverage” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-openwaters-ais/ais#chg-chg_01a0ce5a-2df0-7995-9d47-f26766fe0603"
    },
    {
      "id": "chg_01a0ce5a-2df2-74e6-a795-6244dd641cd8",
      "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": "2026-09-23",
      "occurred_at": "2026-09-23 13:00:11.347991+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/io-openwaters-ais/ais#chg-chg_01a0ce5a-2df2-74e6-a795-6244dd641cd8"
    },
    {
      "id": "chg_01a0c444-5b90-70e1-be77-e931288a948f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_vessels",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_vessels"
      },
      "occurred_on": "2026-09-21",
      "occurred_at": "2026-09-21 14:00:08.659799+00",
      "observed_since": "2026-09-21",
      "source": "scan",
      "summary": "Tool “get_vessels” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-openwaters-ais/ais#chg-chg_01a0c444-5b90-70e1-be77-e931288a948f"
    },
    {
      "id": "chg_01a0c444-5b97-712c-b8d5-17fc4e7708b2",
      "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": "2026-09-21",
      "occurred_at": "2026-09-21 14:00:08.659799+00",
      "observed_since": "2026-09-21",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/io-openwaters-ais/ais#chg-chg_01a0c444-5b97-712c-b8d5-17fc4e7708b2"
    }
  ],
  "days": [
    {
      "date": "2026-10-04",
      "total": 76,
      "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": "2026-10-03",
        "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": "2026-10-03",
      "total": 75,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-10-02",
      "total": 75,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-01",
      "total": 75,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-09-30",
      "total": 74,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-09-29",
      "total": 74,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-28",
      "total": 73,
      "delta": 7,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 9
    },
    {
      "date": "2026-09-26",
      "total": 66,
      "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": "2026-09-25",
        "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
    }
  ]
}