{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-stayotter-stay-otter",
  "component": "api-mcp",
  "generated_at": "2026-11-05T22:15:33.541Z",
  "tracking_since": "2026-10-19",
  "counts": {
    "critical": 0,
    "security": 21,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a19ed7-ff74-7b08-8a9b-c084440bfa42",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_stays",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_stays"
      },
      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 00:38:38.153826+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “search_stays” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a19ed7-ff74-7b08-8a9b-c084440bfa42"
    },
    {
      "id": "chg_01a1947e-b5cd-7bb9-9118-ecd870f630b7",
      "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": "2026-11-01",
      "occurred_at": "2026-11-01 00:24:54.452245+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a1947e-b5cd-7bb9-9118-ecd870f630b7"
    },
    {
      "id": "chg_01a1947e-b5cf-7463-9993-e01905cd302f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_stays",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_stays"
      },
      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 00:24:54.452245+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Tool “search_stays” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a1947e-b5cf-7463-9993-e01905cd302f"
    },
    {
      "id": "chg_01a18a28-14de-75a8-a2f7-d520df69c581",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "check_listing",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "check_listing"
      },
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 00:14:04.976573+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “check_listing” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a18a28-14de-75a8-a2f7-d520df69c581"
    },
    {
      "id": "chg_01a18a28-14e2-7f41-a08e-e756124ed196",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_block",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_block"
      },
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 00:14:04.976573+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “get_block” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a18a28-14e2-7f41-a08e-e756124ed196"
    },
    {
      "id": "chg_01a18a28-14e7-73fb-8c12-59d67036cc91",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "watch_booking",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "watch_booking"
      },
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 00:14:04.976573+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “watch_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a18a28-14e7-73fb-8c12-59d67036cc91"
    },
    {
      "id": "chg_01a18a28-14e7-7e57-a5f6-115f46705f98",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "watch_similar_homes",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "watch_similar_homes"
      },
      "occurred_on": "2026-10-30",
      "occurred_at": "2026-10-30 00:14:04.976573+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Tool “watch_similar_homes” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a18a28-14e7-7e57-a5f6-115f46705f98"
    },
    {
      "id": "chg_01a18a28-14e8-74c2-9a7f-e6245649e79b",
      "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": "2026-10-30",
      "occurred_at": "2026-10-30 00:14:04.976573+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a18a28-14e8-74c2-9a7f-e6245649e79b"
    },
    {
      "id": "chg_01a18502-45df-7822-ab9d-8e00e1301347",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_block",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_block"
      },
      "occurred_on": "2026-10-29",
      "occurred_at": "2026-10-29 00:14:41.0881+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Tool “get_block” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a18502-45df-7822-ab9d-8e00e1301347"
    },
    {
      "id": "chg_01a18502-45e0-74ad-a6ae-769bb01fad10",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_stay",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_stay"
      },
      "occurred_on": "2026-10-29",
      "occurred_at": "2026-10-29 00:14:41.0881+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Tool “get_stay” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a18502-45e0-74ad-a6ae-769bb01fad10"
    },
    {
      "id": "chg_01a18502-45e0-7a66-891e-d1fe48db1146",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_stays",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_stays"
      },
      "occurred_on": "2026-10-29",
      "occurred_at": "2026-10-29 00:14:41.0881+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Tool “search_stays” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a18502-45e0-7a66-891e-d1fe48db1146"
    },
    {
      "id": "chg_01a18502-45e2-757f-a311-c1e71a28fb37",
      "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": "2026-10-29",
      "occurred_at": "2026-10-29 00:14:41.0881+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a18502-45e2-757f-a311-c1e71a28fb37"
    },
    {
      "id": "chg_01a1808c-3c2c-7b91-8d4e-6b28b9acf4cf",
      "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": "2026-10-28",
      "occurred_at": "2026-10-28 03:27:16.405769+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a1808c-3c2c-7b91-8d4e-6b28b9acf4cf"
    },
    {
      "id": "chg_01a17f98-3517-77cc-87e8-d3e4a2d2badf",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "city_picks",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "city_picks"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 23:00:43.902273+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “city_picks” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a17f98-3517-77cc-87e8-d3e4a2d2badf"
    },
    {
      "id": "chg_01a17f98-3518-7304-9d34-1dbafc1d241f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_stay",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_stay"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 23:00:43.902273+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “get_stay” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a17f98-3518-7304-9d34-1dbafc1d241f"
    },
    {
      "id": "chg_01a17f98-3518-7b2e-9344-d25daccb3463",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "watch_booking",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "watch_booking"
      },
      "occurred_on": "2026-10-27",
      "occurred_at": "2026-10-27 23:00:43.902273+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool “watch_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a17f98-3518-7b2e-9344-d25daccb3463"
    },
    {
      "id": "chg_01a17f98-3519-7cf8-9570-481ec0f6cf86",
      "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 23:00:43.902273+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a17f98-3519-7cf8-9570-481ec0f6cf86"
    },
    {
      "id": "chg_01a17a3a-e8ac-70e4-b435-5fe946e36fc7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "city_picks",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "city_picks"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 22:00:43.394669+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “city_picks” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a17a3a-e8ac-70e4-b435-5fe946e36fc7"
    },
    {
      "id": "chg_01a17a3a-e8ad-7c69-824c-f751e9a7c500",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "watch_booking",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "watch_booking"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 22:00:43.394669+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “watch_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayotter-stay-otter/api-mcp#chg-chg_01a17a3a-e8ad-7c69-824c-f751e9a7c500"
    },
    {
      "id": "chg_01a17a3a-e8b3-7694-aab5-620ea2c5a86e",
      "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": "2026-10-26",
      "occurred_at": "2026-10-26 22:00:43.394669+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/com-stayotter-stay-otter/api-mcp#chg-chg_01a17a3a-e8b3-7694-aab5-620ea2c5a86e"
    },
    {
      "id": "chg_01a1569d-8b09-7ac2-92af-bcf3bb4af477",
      "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 00:02:07.732456+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/com-stayotter-stay-otter/api-mcp#chg-chg_01a1569d-8b09-7ac2-92af-bcf3bb4af477"
    }
  ],
  "days": [
    {
      "date": "2026-11-04",
      "total": 77,
      "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": "2026-11-03",
        "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": "2026-11-03",
      "total": 76,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-11-02",
      "total": 76,
      "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": "2026-11-01",
        "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": "2026-11-01",
      "total": 75,
      "delta": 7,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-10-31",
      "total": 68,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
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}