{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "net-hotelrefund-price-tracker",
  "component": "hotelrefund",
  "generated_at": "2026-09-20T22:22:34.092Z",
  "tracking_since": "2026-09-01",
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  },
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      "occurred_at": "2026-09-20 08:14:44.341634+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a0bde1-c35f-788b-bc29-a9aac08eed9f"
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    {
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      "occurred_at": "2026-09-20 08:14:44.341634+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a0bde1-c360-73f5-b080-cff84dff7215"
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    {
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      "detail": {
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      "occurred_at": "2026-09-19 08:11:40.252195+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a0b8b8-97cf-788f-903a-15f3b328c2d4"
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    {
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      "occurred_at": "2026-09-19 08:11:40.252195+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a0b8b8-97d2-71db-adbc-59f5db038641"
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    {
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      "detail": {
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      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 08:12:37.660206+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a0b393-1ce7-7f11-8329-3b3d5920a800"
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    {
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      "occurred_at": "2026-09-18 08:12:37.660206+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a0b393-1ce9-7c90-ac0d-f987fcf181c6"
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    {
      "id": "chg_01a0ae6d-55ea-7a14-b579-6df30405431c",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "track_hotel_price"
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      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 08:13:15.834027+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a0ae6d-55ea-7a14-b579-6df30405431c"
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    {
      "id": "chg_01a0ae6d-55ee-712c-a71e-195f84425634",
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      "detail": {},
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 08:13:15.834027+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/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a0ae6d-55ee-712c-a71e-195f84425634"
    },
    {
      "id": "chg_01a0a947-538a-76e3-9a93-e157de6fbb1a",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "track_hotel_price"
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      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 08:13:38.92197+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a0a947-538a-76e3-9a93-e157de6fbb1a"
    },
    {
      "id": "chg_01a0a947-538b-77fb-8f78-ea10de79d80e",
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      "subject_kind": "server",
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 08:13:38.92197+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a0a947-538b-77fb-8f78-ea10de79d80e"
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    {
      "id": "chg_01a0a421-3e7a-711d-ade1-96db1608a743",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "track_hotel_price",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-09-15",
      "occurred_at": "2026-09-15 08:13:56.744766+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a0a421-3e7a-711d-ade1-96db1608a743"
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    {
      "id": "chg_01a0a421-3e7d-7af9-866f-f1b0aef10d7e",
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-09-15",
      "occurred_at": "2026-09-15 08:13:56.744766+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/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a0a421-3e7d-7af9-866f-f1b0aef10d7e"
    },
    {
      "id": "chg_01a09efa-7b06-7abf-9fa9-1016be3bcbde",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 08:13:30.512342+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a09efa-7b06-7abf-9fa9-1016be3bcbde"
    },
    {
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      "subject_kind": "server",
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 08:13:30.512342+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/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a09efa-7b08-75a2-bacc-de0c4b5e09d4"
    },
    {
      "id": "chg_01a099d4-15c1-77ac-b803-86643a640070",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "track_hotel_price",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "track_hotel_price"
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      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 08:13:28.139478+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a099d4-15c1-77ac-b803-86643a640070"
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    {
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 08:13:28.139478+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a099d4-15c2-77e5-89cd-53245a0fa3cc"
    },
    {
      "id": "chg_01a094ad-1e90-7f07-a3cd-5927a488be2b",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
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      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 08:12:48.59043+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a094ad-1e90-7f07-a3cd-5927a488be2b"
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    {
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 08:12:48.59043+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/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a094ad-1e92-70e8-90e6-7ec3133bcea6"
    },
    {
      "id": "chg_01a08f86-f96e-7627-9543-569f1024fcaf",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "track_hotel_price",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
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      "detail": {
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      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 08:13:02.489096+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a08f86-f96e-7627-9543-569f1024fcaf"
    },
    {
      "id": "chg_01a08f86-f96f-7784-8d6b-03b786616d2d",
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 08:13:02.489096+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a08f86-f96f-7784-8d6b-03b786616d2d"
    },
    {
      "id": "chg_01a08a60-bd03-765f-b046-7b62f56f416f",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "track_hotel_price",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "track_hotel_price"
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      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 08:13:10.126998+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a08a60-bd03-765f-b046-7b62f56f416f"
    },
    {
      "id": "chg_01a08a60-bd04-74c2-9431-b20f96302665",
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      "subject_kind": "server",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 08:13:10.126998+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/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a08a60-bd04-74c2-9431-b20f96302665"
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    {
      "id": "chg_01a0853a-0801-78b0-a24f-bcc833dc5a1c",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "track_hotel_price",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "track_hotel_price"
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      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 08:12:47.938565+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a0853a-0801-78b0-a24f-bcc833dc5a1c"
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    {
      "id": "chg_01a0853a-0802-7b1e-a0c1-5f4a9cd4662f",
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      "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 08:12:47.938565+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/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a0853a-0802-7b1e-a0c1-5f4a9cd4662f"
    },
    {
      "id": "chg_01a08016-4478-7815-9275-2f7129308c41",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "track_hotel_price",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "track_hotel_price"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 08:15:37.816138+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a08016-4478-7815-9275-2f7129308c41"
    },
    {
      "id": "chg_01a08016-4479-7d53-9392-fd87c67dd0ca",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 08:15:37.816138+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a08016-4479-7d53-9392-fd87c67dd0ca"
    },
    {
      "id": "chg_01a07aee-7554-767f-b32c-07f9df70a326",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "track_hotel_price",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "track_hotel_price"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 08:14:02.885618+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a07aee-7554-767f-b32c-07f9df70a326"
    },
    {
      "id": "chg_01a07aee-7556-74cc-8d5a-5ec5e51ffa1d",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 08:14:02.885618+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a07aee-7556-74cc-8d5a-5ec5e51ffa1d"
    },
    {
      "id": "chg_01a075c6-1833-7145-82d8-2c34673ca25e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "track_hotel_price",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "track_hotel_price"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 08:11:51.635525+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a075c6-1833-7145-82d8-2c34673ca25e"
    },
    {
      "id": "chg_01a075c6-1834-7194-97b8-66cd9233ec03",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 08:11:51.635525+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a075c6-1834-7194-97b8-66cd9233ec03"
    },
    {
      "id": "chg_01a070a0-6ba8-7238-9f53-52b79a3b31d3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_hotel_price_calendar",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_hotel_price_calendar"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 08:12:36.325147+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “get_hotel_price_calendar” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a070a0-6ba8-7238-9f53-52b79a3b31d3"
    },
    {
      "id": "chg_01a070a0-6ba9-76ef-9572-136104609331",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_price_history",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_price_history"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 08:12:36.325147+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “get_price_history” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a070a0-6ba9-76ef-9572-136104609331"
    },
    {
      "id": "chg_01a070a0-6baa-753f-b614-0752402864cd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_hotel_deals",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_hotel_deals"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 08:12:36.325147+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “list_hotel_deals” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a070a0-6baa-753f-b614-0752402864cd"
    },
    {
      "id": "chg_01a070a0-6baa-7b11-a32b-cbf3e78a3dbc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_tracked_hotels",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_tracked_hotels"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 08:12:36.325147+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “list_tracked_hotels” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a070a0-6baa-7b11-a32b-cbf3e78a3dbc"
    },
    {
      "id": "chg_01a070a0-6bab-7822-8623-c12d47d26481",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "track_hotel_price",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "track_hotel_price"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 08:12:36.325147+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a070a0-6bab-7822-8623-c12d47d26481"
    },
    {
      "id": "chg_01a070a0-6bac-7624-b148-298a27be7e2e",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 08:12:36.325147+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a070a0-6bac-7624-b148-298a27be7e2e"
    },
    {
      "id": "chg_01a06a2f-9e6c-747f-bc83-36932dd846f5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_price_history",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_price_history"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 02:11:40.68108+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “get_price_history” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a06a2f-9e6c-747f-bc83-36932dd846f5"
    },
    {
      "id": "chg_01a06a2f-9e6c-7a63-be95-fe93f6acec1c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_service_status",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_service_status"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 02:11:40.68108+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “get_service_status” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a06a2f-9e6c-7a63-be95-fe93f6acec1c"
    },
    {
      "id": "chg_01a06a2f-9e6d-7109-9c8c-adb35783e482",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_hotels",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_hotels"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 02:11:40.68108+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “search_hotels” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a06a2f-9e6d-7109-9c8c-adb35783e482"
    },
    {
      "id": "chg_01a06a2f-9e6e-7948-9c17-4af8fa049ccb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "track_hotel_price",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "track_hotel_price"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 02:11:40.68108+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “track_hotel_price” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a06a2f-9e6e-7948-9c17-4af8fa049ccb"
    },
    {
      "id": "chg_01a06a2f-9e71-777a-988a-2a706e84c519",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 02:11:40.68108+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a06a2f-9e71-777a-988a-2a706e84c519"
    },
    {
      "id": "chg_01a06654-01a6-7921-a1b0-37d61e11fae5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_price_history",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_price_history"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 08:12:56.534978+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “get_price_history” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a06654-01a6-7921-a1b0-37d61e11fae5"
    },
    {
      "id": "chg_01a06654-01a7-7a8c-9a62-1ad1612e0eea",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 08:12:56.534978+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/net-hotelrefund-price-tracker/hotelrefund#chg-chg_01a06654-01a7-7a8c-9a62-1ad1612e0eea"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 70,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-19",
      "total": 69,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-18",
      "total": 69,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-17",
      "total": 68,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-16",
      "total": 68,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-15",
      "total": 67,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-14",
      "total": 67,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-13",
      "total": 66,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    }
  ]
}