{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-stayker-1stay",
  "component": "mcp",
  "generated_at": "2026-09-22T07:30:47.174Z",
  "tracking_since": "2026-07-26",
  "counts": {
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  },
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    {
      "id": "chg_01a0bda3-15a8-7d5d-b0a2-58cac1031206",
      "kind": "check.verdict",
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      "subject_kind": "check",
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      "occurred_at": "2026-09-20 07:06:16.57396+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15a8-7d5d-b0a2-58cac1031206"
    },
    {
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      "detail": {
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      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 07:06:16.57396+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “cancel_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15aa-7b64-b03f-b05d2c998b1e"
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    {
      "id": "chg_01a0bda3-15ab-7114-89c8-50349125cafc",
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        "tool": "get_hotel_details"
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      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 07:06:16.57396+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “get_hotel_details” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15ab-7114-89c8-50349125cafc"
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    {
      "id": "chg_01a0bda3-15ac-70f8-8d1b-75423371b820",
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      "occurred_at": "2026-09-20 07:06:16.57396+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “lookup_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15ac-70f8-8d1b-75423371b820"
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    {
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      "occurred_at": "2026-09-20 07:06:16.57396+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “search_hotels” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15ac-7a36-88e7-673bdb2e5f2b"
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    {
      "id": "chg_01a0bda3-15ae-704d-9183-41c319ce6133",
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      "from_value": "1.0.0",
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      "occurred_at": "2026-09-20 07:06:16.57396+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0bda3-15ae-704d-9183-41c319ce6133"
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    {
      "id": "chg_01a0b355-e2e3-7c69-ba9c-e6b575bebcb5",
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      "from_code": "stability.churn",
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      "from_value": "fail",
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      "materiality": "security",
      "direction": "improvement",
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      "detail": {},
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 07:05:45.02427+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a0b355-e2e3-7c69-ba9c-e6b575bebcb5"
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    {
      "id": "chg_01a01dfc-21eb-7153-b54c-4b97ca4301dc",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
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      "from_code": "auth.none_destructive",
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      "materiality": "security",
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      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 07:04:18.017897+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Authorization (fail → partial)",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a01dfc-21eb-7153-b54c-4b97ca4301dc"
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    {
      "id": "chg_01a01dfc-21ef-7ee9-a5f9-8525f11951e5",
      "kind": "tool.destructive_cleared",
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      "from_code": null,
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      "from_value": "true",
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      "materiality": "security",
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      "detail": {
        "to": "false",
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      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 07:04:18.017897+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “cancel_booking” no longer declares itself destructive",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a01dfc-21ef-7ee9-a5f9-8525f11951e5"
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    {
      "id": "chg_01a01dfc-21f1-73a6-b614-3500d380877e",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 07:04:18.017897+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “cancel_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a01dfc-21f1-73a6-b614-3500d380877e"
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    {
      "id": "chg_01a01dfc-21f2-7d64-b826-ed57bd394783",
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      "materiality": "security",
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      "detail": {
        "tool": "search_hotels"
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      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 07:04:18.017897+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “search_hotels” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a01dfc-21f2-7d64-b826-ed57bd394783"
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    {
      "id": "chg_01a018d5-3a8d-73cf-8425-eb445d10eb1a",
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      "subject_kind": "tool",
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      "from_value": null,
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "book_hotel"
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      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 07:03:42.345931+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Tool “book_hotel” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a8d-73cf-8425-eb445d10eb1a"
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    {
      "id": "chg_01a018d5-3a8e-74c6-857f-e2761043ce51",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
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      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 07:03:42.345931+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Tool “get_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a8e-74c6-857f-e2761043ce51"
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    {
      "id": "chg_01a018d5-3a8f-74ec-9e16-cae546b7a8d7",
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      "materiality": "security",
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      "detail": {
        "tool": "get_hotel_details"
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      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 07:03:42.345931+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Tool “get_hotel_details” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a8f-74ec-9e16-cae546b7a8d7"
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    {
      "id": "chg_01a018d5-3a90-77a0-b756-0deecdeeca26",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "resend_confirmation"
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      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 07:03:42.345931+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Tool “resend_confirmation” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a90-77a0-b756-0deecdeeca26"
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    {
      "id": "chg_01a018d5-3a92-7d57-a90e-58e5b393b112",
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      "materiality": "security",
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      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 07:03:42.345931+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Tool “search_hotels” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a92-7d57-a90e-58e5b393b112"
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    {
      "id": "chg_01a018d5-3a94-70d8-a195-d3f54db2ee66",
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      "from_value": "1.0.0",
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        "removed": "0",
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        "breaking": "3"
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      "occurred_at": "2026-08-19 07:03:42.345931+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a018d5-3a94-70d8-a195-d3f54db2ee66"
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    {
      "id": "chg_01a00962-2723-7969-9e40-e8c92190e7ad",
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      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:42.467411+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “book_hotel” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2723-7969-9e40-e8c92190e7ad"
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    {
      "id": "chg_01a00962-2725-77c2-902b-6efaec9e03e5",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:42.467411+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “cancel_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2725-77c2-902b-6efaec9e03e5"
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    {
      "id": "chg_01a00962-2727-70b5-aca4-ec217c88d7a6",
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      "subject_kind": "tool",
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      "detail": {
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      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:42.467411+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “get_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2727-70b5-aca4-ec217c88d7a6"
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    {
      "id": "chg_01a00962-2728-71a9-9d58-39a74ab9d467",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "get_hotel_details"
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      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:42.467411+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “get_hotel_details” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2728-71a9-9d58-39a74ab9d467"
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    {
      "id": "chg_01a00962-272b-71bf-9bf5-9bcf45782fc6",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "lookup_booking",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
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      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:42.467411+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “lookup_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-272b-71bf-9bf5-9bcf45782fc6"
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    {
      "id": "chg_01a00962-272d-7e4e-b699-b850399a9290",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "resend_confirmation",
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "resend_confirmation"
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      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:42.467411+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “resend_confirmation” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-272d-7e4e-b699-b850399a9290"
    },
    {
      "id": "chg_01a00962-2731-7eed-a7cd-fe64ae0b7d86",
      "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": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:42.467411+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “search_hotels” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2731-7eed-a7cd-fe64ae0b7d86"
    },
    {
      "id": "chg_01a00962-2734-7186-9e0e-f2a3f0f88c86",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_tools",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_tools"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:42.467411+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “search_tools” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_01a00962-2734-7186-9e0e-f2a3f0f88c86"
    },
    {
      "id": "chg_019ff9ef-2488-7891-813d-0160a4f650da",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "book_hotel",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "book_hotel"
      },
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 07:03:47.025972+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "Tool “book_hotel” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_019ff9ef-2488-7891-813d-0160a4f650da"
    },
    {
      "id": "chg_019fc66d-4891-783e-861e-9a5053d46bbe",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cancel_booking",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cancel_booking"
      },
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 07:01:18.593335+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “cancel_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_019fc66d-4891-783e-861e-9a5053d46bbe"
    },
    {
      "id": "chg_019fc66d-4892-7706-b246-7d2b724beab2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_booking",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_booking"
      },
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 07:01:18.593335+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “get_booking” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_019fc66d-4892-7706-b246-7d2b724beab2"
    },
    {
      "id": "chg_019fc66d-4893-71ee-83ef-8bd40b6f5626",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "resend_confirmation",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "resend_confirmation"
      },
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 07:01:18.593335+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “resend_confirmation” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-stayker-1stay/mcp#chg-chg_019fc66d-4893-71ee-83ef-8bd40b6f5626"
    }
  ],
  "days": [
    {
      "date": "2026-09-22",
      "total": 82,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-20",
      "total": 82,
      "delta": -2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 15
    },
    {
      "date": "2026-09-18",
      "total": 84,
      "delta": 3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-10",
      "total": 81,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 73,
        "to": 80,
        "delta": 7,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-09",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 73 to 80."
      },
      "event_count": 0
    },
    {
      "date": "2026-08-26",
      "total": 80,
      "delta": -3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 83,
      "delta": 4,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 14
    },
    {
      "date": "2026-08-20",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-08-19",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 18
    }
  ]
}