{
  "server": "pipeworx-io-openholidays",
  "component": "openholidays-mcp",
  "generated_at": "2026-08-04T02:09:36.278Z",
  "tracking_since": "2026-07-26",
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  },
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      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fc672-6903-71ef-a825-b0b47cc20d21"
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    {
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 07:06:54.57867+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fc672-6902-72e9-bced-4950f998d2d8"
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    {
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      "occurred_at": "2026-08-03 07:06:54.57867+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fc672-6904-71d6-9ffd-87d07ba46b19"
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    {
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      "occurred_at": "2026-08-03 07:06:54.57867+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fc672-6903-7c9b-9c8f-ebff175e3fd0"
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    {
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      "occurred_at": "2026-08-03 07:06:54.57867+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fc672-6903-772f-94ae-08cf1524f2d6"
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    {
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 07:12:20.064861+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fc151-046f-7c56-ab67-f41ed6268676"
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    {
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 07:12:20.064861+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fc151-0471-758a-99ad-b482631f514d"
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    {
      "id": "chg_019fc151-0471-7110-8296-f100c4ac1eab",
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      "subject_kind": "tool",
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        "tool": "deep_research"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 07:12:20.064861+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fc151-0471-7110-8296-f100c4ac1eab"
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    {
      "id": "chg_019fc151-0470-7b8d-be6c-a2588a37b45c",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 07:12:20.064861+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fc151-0470-7b8d-be6c-a2588a37b45c"
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    {
      "id": "chg_019fc151-0470-7714-9c25-7a6e4d716778",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 07:12:20.064861+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fc151-0470-7714-9c25-7a6e4d716778"
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    {
      "id": "chg_019fbc28-dbf5-7118-b559-9d9b47133c15",
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      "from_code": "auth.none_destructive",
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      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
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      "detail": {
        "tool": "forget"
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      "occurred_at": "2026-08-01 07:10:22.185213+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fbc28-dbf5-7118-b559-9d9b47133c15"
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    {
      "id": "chg_019fbc28-dbf6-72f5-a4fe-457d85a1415c",
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      "detail": {
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 07:10:22.185213+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fbc28-dbf6-72f5-a4fe-457d85a1415c"
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    {
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      "subject_kind": "server",
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 07:10:22.185213+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fbc28-dbf7-7967-a312-6fd270bf0963"
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    {
      "id": "chg_019fbc28-dbf7-7485-bf7c-eca3180bc491",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 07:10:22.185213+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fbc28-dbf7-7485-bf7c-eca3180bc491"
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    {
      "id": "chg_019fbc28-dbf6-7ee9-904a-a8976b509460",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 07:10:22.185213+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fbc28-dbf6-7ee9-904a-a8976b509460"
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    {
      "id": "chg_019fbc28-dbf6-7ade-a667-98ef433b1518",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 07:10:22.185213+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fbc28-dbf6-7ade-a667-98ef433b1518"
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    {
      "id": "chg_019fb375-7fef-7dc9-af32-9b2367363e36",
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      "family": "",
      "subject_kind": "server",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 14:37:29.95375+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fb375-7fef-7dc9-af32-9b2367363e36"
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    {
      "id": "chg_019fb375-7fed-7e36-8e6a-946f6ea4c79c",
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      "from_code": "auth.none_destructive_unverified",
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      "materiality": "critical",
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      "detail": {
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      "occurred_at": "2026-07-30 14:37:29.95375+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fb375-7fed-7e36-8e6a-946f6ea4c79c"
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    {
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 14:37:29.95375+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fb375-7fee-784b-b598-034bf7fa9aa2"
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    {
      "id": "chg_019fb375-7fee-7d7c-befd-c797c072b185",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 14:37:29.95375+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fb375-7fee-7d7c-befd-c797c072b185"
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    {
      "id": "chg_019fb375-7fef-7275-9f8e-8d1bea36dea7",
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      "subject_kind": "tool",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 14:37:29.95375+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fb375-7fef-7275-9f8e-8d1bea36dea7"
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    {
      "id": "chg_019fb375-7fef-785a-a88f-5b6339573e4f",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 14:37:29.95375+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fb375-7fef-785a-a88f-5b6339573e4f"
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    {
      "id": "chg_019fae4f-bb8e-7927-bb43-61058426a292",
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      "subject_kind": "server",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 14:38:08.752241+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fae4f-bb8e-7927-bb43-61058426a292"
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    {
      "id": "chg_019fae4f-bb8e-7055-a4ad-e5d6b24e44ab",
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      "subject_kind": "tool",
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 14:38:08.752241+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fae4f-bb8e-7055-a4ad-e5d6b24e44ab"
    },
    {
      "id": "chg_019fae4f-bb8d-7b46-963f-88a6d64195cd",
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 14:38:08.752241+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fae4f-bb8d-7b46-963f-88a6d64195cd"
    },
    {
      "id": "chg_019fae4f-bb8d-770e-bed4-65957399b450",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 14:38:08.752241+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fae4f-bb8d-770e-bed4-65957399b450"
    },
    {
      "id": "chg_019fae4f-bb8d-716c-a971-893cefe5b484",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 14:38:08.752241+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fae4f-bb8d-716c-a971-893cefe5b484"
    },
    {
      "id": "chg_019fae4f-bb8c-78b0-8db4-5831131965c4",
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      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_destructive_unverified",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 14:38:08.752241+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fae4f-bb8c-78b0-8db4-5831131965c4"
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    {
      "id": "chg_019fa95f-2db3-718c-9a4d-5463b3a05662",
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      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive_unverified",
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      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 15:36:54.943898+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fa95f-2db3-718c-9a4d-5463b3a05662"
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    {
      "id": "chg_019fa95f-2db3-78c8-a198-6008cb1ffb7a",
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 15:36:54.943898+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fa95f-2db3-78c8-a198-6008cb1ffb7a"
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      "materiality": "security",
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      "occurred_at": "2026-07-28 15:36:54.943898+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fa95f-2db5-7067-a354-42ae7da0cd89"
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    {
      "id": "chg_019fa95f-2db4-7a74-957b-9ad43f608e49",
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      "subject_kind": "tool",
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      "to_value": null,
      "materiality": "security",
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      "occurred_at": "2026-07-28 15:36:54.943898+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fa95f-2db4-7a74-957b-9ad43f608e49"
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    {
      "id": "chg_019fa95f-2db4-75ad-92b1-1632c6d16452",
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      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fa95f-2db4-75ad-92b1-1632c6d16452"
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      "id": "chg_019fa95f-2db4-7001-99ee-109a883020e9",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_at": "2026-07-28 15:36:54.943898+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openholidays/openholidays-mcp#chg-chg_019fa95f-2db4-7001-99ee-109a883020e9"
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