{
  "server": "pipeworx-io-expression-atlas",
  "component": "expression-atlas-mcp",
  "generated_at": "2026-08-04T02:14:33.441Z",
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      "observed_since": "2026-08-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-expression-atlas/expression-atlas-mcp#chg-chg_019fca17-cc7a-7ee7-9dd6-ad651d1b080e"
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    {
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      "occurred_at": "2026-08-04 00:06:25.126544+00",
      "observed_since": "2026-08-03",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-expression-atlas/expression-atlas-mcp#chg-chg_019fca17-cc7a-7ac4-925c-7211c6b8b2b3"
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    {
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      "occurred_at": "2026-08-04 00:06:25.126544+00",
      "observed_since": "2026-08-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-expression-atlas/expression-atlas-mcp#chg-chg_019fca17-cc7a-762d-ab93-87954c2c7d8d"
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    {
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      "occurred_at": "2026-08-04 00:06:25.126544+00",
      "observed_since": "2026-08-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-expression-atlas/expression-atlas-mcp#chg-chg_019fca17-cc7a-7059-989d-aa4e05405a9f"
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    {
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-08-04",
      "occurred_at": "2026-08-04 00:06:25.126544+00",
      "observed_since": "2026-08-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-expression-atlas/expression-atlas-mcp#chg-chg_019fca17-cc77-7c69-919e-d1875d3d293a"
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    {
      "id": "chg_019fc4fc-f1df-7098-ac92-b395f4236272",
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      "family": "",
      "subject_kind": "server",
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      "occurred_at": "2026-08-03 00:18:59.145839+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-expression-atlas/expression-atlas-mcp#chg-chg_019fc4fc-f1df-7098-ac92-b395f4236272"
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    {
      "id": "chg_019fc4fc-f1de-7bab-a1fe-3082b9e0ff6d",
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      "subject_kind": "tool",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 00:18:59.145839+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-expression-atlas/expression-atlas-mcp#chg-chg_019fc4fc-f1de-7bab-a1fe-3082b9e0ff6d"
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    {
      "id": "chg_019fc4fc-f1de-7384-ac43-e6ead0ed6e83",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 00:18:59.145839+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-expression-atlas/expression-atlas-mcp#chg-chg_019fc4fc-f1de-7384-ac43-e6ead0ed6e83"
    },
    {
      "id": "chg_019fc4fc-f1dd-78b3-a183-26bd31e23002",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 00:18:59.145839+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-expression-atlas/expression-atlas-mcp#chg-chg_019fc4fc-f1dd-78b3-a183-26bd31e23002"
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    {
      "id": "chg_019fc4fc-f1dc-732e-97ea-5a2f06f01800",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 00:18:59.145839+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-expression-atlas/expression-atlas-mcp#chg-chg_019fc4fc-f1dc-732e-97ea-5a2f06f01800"
    },
    {
      "id": "chg_019fbfc8-12fb-7162-8721-3bd35f1f6b44",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 00:03:08.138247+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-expression-atlas/expression-atlas-mcp#chg-chg_019fbfc8-12fb-7162-8721-3bd35f1f6b44"
    },
    {
      "id": "chg_019fbfc8-12fb-7716-8465-37589a7be7c0",
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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": "2026-08-02",
      "occurred_at": "2026-08-02 00:03:08.138247+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-expression-atlas/expression-atlas-mcp#chg-chg_019fbfc8-12fb-7716-8465-37589a7be7c0"
    },
    {
      "id": "chg_019fbfc8-12fa-7bb9-95ff-a95cf0ff742b",
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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_on": "2026-08-02",
      "occurred_at": "2026-08-02 00:03:08.138247+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-expression-atlas/expression-atlas-mcp#chg-chg_019fbfc8-12fa-7bb9-95ff-a95cf0ff742b"
    },
    {
      "id": "chg_019fbfc8-12fb-7b51-8c33-50e713f82e84",
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      "family": "",
      "subject_kind": "server",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 00:03:08.138247+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-expression-atlas/expression-atlas-mcp#chg-chg_019fbfc8-12fb-7b51-8c33-50e713f82e84"
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    {
      "id": "chg_019fbfc8-12f9-7b7c-8471-c5afecf029d2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 00:03:08.138247+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-expression-atlas/expression-atlas-mcp#chg-chg_019fbfc8-12f9-7b7c-8471-c5afecf029d2"
    },
    {
      "id": "chg_019fbaa3-222e-7118-a3de-3624c52ed7fb",
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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 00:04:41.118814+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-expression-atlas/expression-atlas-mcp#chg-chg_019fbaa3-222e-7118-a3de-3624c52ed7fb"
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    {
      "id": "chg_019fbaa3-222c-76c5-a5eb-e4ee04400171",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 00:04:41.118814+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-expression-atlas/expression-atlas-mcp#chg-chg_019fbaa3-222c-76c5-a5eb-e4ee04400171"
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    {
      "id": "chg_019fbaa3-222d-75fe-b49d-a0ecee35d406",
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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_on": "2026-08-01",
      "occurred_at": "2026-08-01 00:04:41.118814+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-expression-atlas/expression-atlas-mcp#chg-chg_019fbaa3-222d-75fe-b49d-a0ecee35d406"
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    {
      "id": "chg_019fbaa3-222d-7c0a-a3b4-eed75cf96bbb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 00:04:41.118814+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-expression-atlas/expression-atlas-mcp#chg-chg_019fbaa3-222d-7c0a-a3b4-eed75cf96bbb"
    },
    {
      "id": "chg_019fbaa3-222e-759c-9e5a-711c4e562a29",
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      "family": "",
      "subject_kind": "server",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 00:04:41.118814+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-expression-atlas/expression-atlas-mcp#chg-chg_019fbaa3-222e-759c-9e5a-711c4e562a29"
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    {
      "id": "chg_019faf58-b27d-74d6-a6d1-bc55e5b9bbdf",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
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      "from_code": null,
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      "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 19:27:33.470987+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-expression-atlas/expression-atlas-mcp#chg-chg_019faf58-b27d-74d6-a6d1-bc55e5b9bbdf"
    },
    {
      "id": "chg_019faf58-b27c-7ec8-a8dc-91157e70d4dc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 19:27:33.470987+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-expression-atlas/expression-atlas-mcp#chg-chg_019faf58-b27c-7ec8-a8dc-91157e70d4dc"
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    {
      "id": "chg_019faf58-b27a-7b84-85ae-4ee57d0d33c0",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "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 19:27:33.470987+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-expression-atlas/expression-atlas-mcp#chg-chg_019faf58-b27a-7b84-85ae-4ee57d0d33c0"
    },
    {
      "id": "chg_019faf58-b279-7086-924f-500831b587c9",
      "kind": "check.unverifiable",
      "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"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 19:27:33.470987+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-expression-atlas/expression-atlas-mcp#chg-chg_019faf58-b279-7086-924f-500831b587c9"
    },
    {
      "id": "chg_019faf58-b27a-7595-8f68-67c3c9374e9f",
      "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 19:27:33.470987+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-expression-atlas/expression-atlas-mcp#chg-chg_019faf58-b27a-7595-8f68-67c3c9374e9f"
    },
    {
      "id": "chg_019faf58-b27d-7a28-b695-604dc10b0dac",
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      "family": "",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 19:27:33.470987+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-expression-atlas/expression-atlas-mcp#chg-chg_019faf58-b27d-7a28-b695-604dc10b0dac"
    },
    {
      "id": "chg_019fa9cb-6f57-7c9b-b25a-78f7c4502b63",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 17:35:09.641794+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-expression-atlas/expression-atlas-mcp#chg-chg_019fa9cb-6f57-7c9b-b25a-78f7c4502b63"
    },
    {
      "id": "chg_019fa9cb-6f58-7b94-a512-21755af86c5c",
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      "family": "",
      "subject_kind": "server",
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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": "2026-07-28",
      "occurred_at": "2026-07-28 17:35:09.641794+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-expression-atlas/expression-atlas-mcp#chg-chg_019fa9cb-6f58-7b94-a512-21755af86c5c"
    },
    {
      "id": "chg_019fa9cb-6f58-7759-87f5-7cfa3b1c66f6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 17:35:09.641794+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-expression-atlas/expression-atlas-mcp#chg-chg_019fa9cb-6f58-7759-87f5-7cfa3b1c66f6"
    },
    {
      "id": "chg_019fa9cb-6f58-72aa-9ad2-2f2e447b3302",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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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": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 17:35:09.641794+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-expression-atlas/expression-atlas-mcp#chg-chg_019fa9cb-6f58-72aa-9ad2-2f2e447b3302"
    },
    {
      "id": "chg_019fa9cb-6f57-75ef-972a-0271ede98e1d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
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      "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": "2026-07-28",
      "occurred_at": "2026-07-28 17:35:09.641794+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-expression-atlas/expression-atlas-mcp#chg-chg_019fa9cb-6f57-75ef-972a-0271ede98e1d"
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}