{
  "server": "pipeworx-io-vizier",
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      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
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      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-vizier/vizier-mcp#chg-chg_019fc6a5-f40f-71b5-9a26-52b534482349"
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    {
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      "occurred_at": "2026-08-03 08:03:12.509663+00",
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      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-vizier/vizier-mcp#chg-chg_019fc6a5-f40e-7bff-8b29-aa63079f6639"
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      "link": "https://verifymcp.io/servers/pipeworx-io-vizier/vizier-mcp#chg-chg_019fc6a5-f40e-76ed-a222-f2ac94adb226"
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      "occurred_at": "2026-08-03 08:03:12.509663+00",
      "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-vizier/vizier-mcp#chg-chg_019fc6a5-f40e-7123-8b38-1a92c94bdb7f"
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      "link": "https://verifymcp.io/servers/pipeworx-io-vizier/vizier-mcp#chg-chg_019fc183-f436-7593-9603-2f72ac5ae5b6"
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      "occurred_at": "2026-08-02 08:07:58.247338+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-vizier/vizier-mcp#chg-chg_019fc183-f437-7204-9ddf-282ec8cd304e"
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      "occurred_at": "2026-08-02 08:07:58.247338+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-vizier/vizier-mcp#chg-chg_019fc183-f436-7cf8-8df7-ec32d5993e8e"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 08:07:58.247338+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-vizier/vizier-mcp#chg-chg_019fc183-f436-7964-a327-67e05c888b25"
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    {
      "id": "chg_019fc183-f435-771a-b230-8fe37673b949",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 08:07:58.247338+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-vizier/vizier-mcp#chg-chg_019fc183-f435-771a-b230-8fe37673b949"
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    {
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      "from_code": "auth.none_destructive",
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      "occurred_at": "2026-08-01 08:10:28.261283+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vizier/vizier-mcp#chg-chg_019fbc5f-e234-759d-80aa-a1abf28a7e80"
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    {
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      "from_value": "fail",
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      "detail": {
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 18:52:35.51546+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vizier/vizier-mcp#chg-chg_019faf38-af4e-76c3-9e08-2f03c47365ea"
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    {
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      "subject_kind": "server",
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      "materiality": "security",
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      "occurred_at": "2026-07-29 18:52:35.51546+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-vizier/vizier-mcp#chg-chg_019faf38-af50-79ed-adb3-7a4ddb7d09df"
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    {
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      "subject_kind": "tool",
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      "occurred_at": "2026-07-29 18:52:35.51546+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-vizier/vizier-mcp#chg-chg_019faf38-af50-763e-ad76-3ed132261bf3"
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    {
      "id": "chg_019faf38-af50-71ab-8f42-ac256b186648",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 18:52:35.51546+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-vizier/vizier-mcp#chg-chg_019faf38-af50-71ab-8f42-ac256b186648"
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      "occurred_at": "2026-07-29 18:52:35.51546+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-vizier/vizier-mcp#chg-chg_019faf38-af4f-7911-9da8-d736d03393fb"
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    {
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      "occurred_at": "2026-07-29 18:52:35.51546+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-vizier/vizier-mcp#chg-chg_019faf38-af4f-74ae-a3d2-6be6832d2bfb"
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      "detail": {
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 17:45:36.941629+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-vizier/vizier-mcp#chg-chg_019fa9d5-01ba-7593-98ec-7c22c95be043"
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    {
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      "subject_kind": "server",
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 17:45:36.941629+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-vizier/vizier-mcp#chg-chg_019fa9d5-01bb-7a98-8df6-457412f2fefd"
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    {
      "id": "chg_019fa9d5-01bb-760b-a358-3052ad7a4c75",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
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      "occurred_at": "2026-07-28 17:45:36.941629+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-vizier/vizier-mcp#chg-chg_019fa9d5-01bb-760b-a358-3052ad7a4c75"
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    {
      "id": "chg_019fa9d5-01bb-708e-aaf7-33fe182021cd",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 17:45:36.941629+00",
      "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-vizier/vizier-mcp#chg-chg_019fa9d5-01bb-708e-aaf7-33fe182021cd"
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    {
      "id": "chg_019fa9d5-01ba-7abb-9747-8edfee5c5a4f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 17:45:36.941629+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-vizier/vizier-mcp#chg-chg_019fa9d5-01ba-7abb-9747-8edfee5c5a4f"
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    {
      "id": "chg_019fa9d5-01b9-7d62-a147-5f107e43252d",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
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      "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 17:45:36.941629+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-vizier/vizier-mcp#chg-chg_019fa9d5-01b9-7d62-a147-5f107e43252d"
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