{
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  "server": "dev-hatchloop-appointment-booking",
  "component": "mcp-appointment-booking",
  "generated_at": "2026-09-20T22:21:53.806Z",
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      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “check_booking_link” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a08dff-69d6-7ae4-a4af-523f0b2deed4"
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    {
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      "occurred_at": "2026-09-11 01:05:21.328604+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “find_business” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a08dff-69d7-7b87-8ba1-f302ae96a5c3"
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    {
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      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “get_outcome” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a08dff-69d8-7a17-bb91-860a305daa36"
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    {
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      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “get_status” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a08dff-69d8-7e62-a991-512e5a6371c1"
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    {
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      "occurred_at": "2026-09-11 01:05:21.328604+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “import_booking_url” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a08dff-69d9-73a0-be37-eb4d84f3b3cf"
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      "occurred_at": "2026-09-11 01:05:21.328604+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “preview_cost” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a08dff-69db-7273-8770-d03ff714b7dd"
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    {
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        "tool": "schedule_appointment"
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      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 01:05:21.328604+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “schedule_appointment” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a08dff-69db-776e-a70d-c450ae81bfc1"
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    {
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      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 01:05:21.328604+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “self_test” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a08dff-69db-7b17-bf8f-4ec70acd42e0"
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    {
      "id": "chg_01a08dff-69db-7e6a-9574-fc8c50b1a35c",
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      "subject_kind": "tool",
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        "tool": "verify_business"
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      "occurred_at": "2026-09-11 01:05:21.328604+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “verify_business” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a08dff-69db-7e6a-9574-fc8c50b1a35c"
    },
    {
      "id": "chg_01a088d8-efa9-7954-80f9-5ffe8a830777",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_present",
      "to_code": "headers.hsts_absent",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
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      "occurred_at": "2026-09-10 01:05:13.601969+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a088d8-efa9-7954-80f9-5ffe8a830777"
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    {
      "id": "chg_01a064cb-ac7e-78cf-a418-86b8e4021edb",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "check_booking_link"
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      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 01:04:24.662074+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “check_booking_link” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a064cb-ac7e-78cf-a418-86b8e4021edb"
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    {
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      "materiality": "security",
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      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 01:04:24.662074+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “get_outcome” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a064cb-ac7f-7b90-b704-7ce5c6e0ca4a"
    },
    {
      "id": "chg_01a064cb-ac80-722a-bd36-5f4f91c82f67",
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      "subject_kind": "tool",
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      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 01:04:24.662074+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “get_status” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a064cb-ac80-722a-bd36-5f4f91c82f67"
    },
    {
      "id": "chg_01a064cb-ac80-778c-831c-2bf18a19080b",
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      "subject_kind": "tool",
      "subject": "import_booking_url",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "import_booking_url"
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      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 01:04:24.662074+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “import_booking_url” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a064cb-ac80-778c-831c-2bf18a19080b"
    },
    {
      "id": "chg_01a064cb-ac80-7c86-9033-8ff6d9c62527",
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      "subject_kind": "tool",
      "subject": "preview_cost",
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      "materiality": "security",
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      "detail": {
        "tool": "preview_cost"
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      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 01:04:24.662074+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “preview_cost” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a064cb-ac80-7c86-9033-8ff6d9c62527"
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    {
      "id": "chg_01a064cb-ac81-714a-9533-5f1b7aea48e8",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "schedule_appointment",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "schedule_appointment"
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      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 01:04:24.662074+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “schedule_appointment” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a064cb-ac81-714a-9533-5f1b7aea48e8"
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    {
      "id": "chg_01a064cb-ac81-75dd-80df-245e5377f832",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "verify_business"
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      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 01:04:24.662074+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “verify_business” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a064cb-ac81-75dd-80df-245e5377f832"
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    {
      "id": "chg_01a05fa5-9558-7eec-a0d4-d904bbdd0c5a",
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      "subject_kind": "tool",
      "subject": "check_booking_link",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 01:04:42.071535+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “check_booking_link” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a05fa5-9558-7eec-a0d4-d904bbdd0c5a"
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    {
      "id": "chg_01a05fa5-955c-751e-81b0-1ac1f1e77d81",
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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": "2026-09-02",
      "occurred_at": "2026-09-02 01:04:42.071535+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “get_outcome” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a05fa5-955c-751e-81b0-1ac1f1e77d81"
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    {
      "id": "chg_01a05fa5-955c-7bde-89f5-488ef41e7a81",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 01:04:42.071535+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “get_status” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a05fa5-955c-7bde-89f5-488ef41e7a81"
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    {
      "id": "chg_01a05fa5-955d-7156-8f18-3d12d3c29b12",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "import_booking_url",
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "import_booking_url"
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      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 01:04:42.071535+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “import_booking_url” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a05fa5-955d-7156-8f18-3d12d3c29b12"
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    {
      "id": "chg_01a05fa5-955d-7613-9c42-a7029878d3c5",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "preview_cost",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
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      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 01:04:42.071535+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “preview_cost” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a05fa5-955d-7613-9c42-a7029878d3c5"
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    {
      "id": "chg_01a05fa5-955d-7a40-9b59-d5e9afd18bdd",
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      "subject_kind": "tool",
      "subject": "schedule_appointment",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "schedule_appointment"
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      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 01:04:42.071535+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “schedule_appointment” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a05fa5-955d-7a40-9b59-d5e9afd18bdd"
    },
    {
      "id": "chg_01a05fa5-955e-70c2-bd72-736736bbf7b6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "verify_business",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "verify_business"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 01:04:42.071535+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “verify_business” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a05fa5-955e-70c2-bd72-736736bbf7b6"
    },
    {
      "id": "chg_01a05fa5-9560-7a5a-ad6c-a3675f9acdf9",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 01:04:42.071535+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a05fa5-9560-7a5a-ad6c-a3675f9acdf9"
    },
    {
      "id": "chg_01a05a7f-0eb0-7b75-9d75-6c448d678a99",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 01:04:31.385203+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a05a7f-0eb0-7b75-9d75-6c448d678a99"
    },
    {
      "id": "chg_01a0532f-51b3-7eaa-a179-fe8916d6953b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "preview_cost",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "preview_cost"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 15:00:04.704548+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “preview_cost” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-appointment-booking/mcp-appointment-booking#chg-chg_01a0532f-51b3-7eaa-a179-fe8916d6953b"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 75,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 70,
        "to": 73,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 21,
          "to_days": 22
        },
        "partial": false,
        "compared_to": "2026-09-19",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 70 to 73. That category is still filling its 30-day observation window: 21 days of observed history at the previous scan, 22 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-18",
      "total": 74,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 63,
        "to": 67,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 19,
          "to_days": 20
        },
        "partial": false,
        "compared_to": "2026-09-17",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 63 to 67. That category is still filling its 30-day observation window: 19 days of observed history at the previous scan, 20 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-15",
      "total": 73,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 53,
        "to": 57,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 16,
          "to_days": 17
        },
        "partial": false,
        "compared_to": "2026-09-14",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 53 to 57. That category is still filling its 30-day observation window: 16 days of observed history at the previous scan, 17 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-13",
      "total": 72,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 47,
        "to": 50,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 14,
          "to_days": 15
        },
        "partial": false,
        "compared_to": "2026-09-12",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 47 to 50. That category is still filling its 30-day observation window: 14 days of observed history at the previous scan, 15 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-11",
      "total": 71,
      "delta": 3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 17
    },
    {
      "date": "2026-09-10",
      "total": 68,
      "delta": -2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-08",
      "total": 70,
      "delta": 4,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-06",
      "total": 66,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}