{
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  "component": "alpaca-mcp",
  "generated_at": "2026-09-21T08:47:41.435Z",
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      "source": "scan",
      "summary": "Authorization (fail → unverified)",
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      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
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    {
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      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a08f46-57c1-7a08-9604-a6aa6b56fa75"
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    {
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      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
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        "tool": "ask_pipeworx_grounded"
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      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a08f46-57c2-7e62-a509-a21675f733be"
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        "tool": "deep_research"
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      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a08f46-57c3-74b9-9730-d4d0ddc3ea7b"
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    {
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      "occurred_at": "2026-09-11 07:02:26.803344+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a08f46-57c3-7927-8a0d-30b6d115818d"
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    {
      "id": "chg_01a08a1f-e1c2-7cd6-85d3-a0b29345b61e",
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      "subject_kind": "check",
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      "from_code": "auth.none_unlisted",
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      "detail": {
        "tool": "forget"
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      "occurred_at": "2026-09-10 07:02:20.16658+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a08a1f-e1c2-7cd6-85d3-a0b29345b61e"
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    {
      "id": "chg_01a08a1f-e1c5-77ad-a02b-adffda8520ee",
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      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a08a1f-e1c5-77ad-a02b-adffda8520ee"
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    {
      "id": "chg_01a08a1f-e1c6-701e-8b4b-3d7734bef63e",
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      "from_code": "stability.churn",
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      "occurred_at": "2026-09-10 07:02:20.16658+00",
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      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a08a1f-e1c6-701e-8b4b-3d7734bef63e"
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    {
      "id": "chg_01a084f9-6439-7dbc-a99d-13fa9b43edfc",
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      "from_code": "stability.stable",
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      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a084f9-6439-7dbc-a99d-13fa9b43edfc"
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    {
      "id": "chg_01a084f9-643b-713c-b240-91eb51bf042c",
      "kind": "check.unverifiable",
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      "subject_kind": "check",
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      "from_code": "auth.none_destructive",
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      "occurred_at": "2026-09-09 07:02:11.706278+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a084f9-643b-713c-b240-91eb51bf042c"
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    {
      "id": "chg_01a084f9-643b-77eb-95f0-e271cf35c747",
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      "from_code": "toolsafety.injection_clean",
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      "occurred_at": "2026-09-09 07:02:11.706278+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a084f9-643b-77eb-95f0-e271cf35c747"
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      "occurred_at": "2026-09-08 07:04:08.449508+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a07fd4-d0fe-770e-8c4c-f5f8ac2e4893"
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    {
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      "materiality": "security",
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      "occurred_at": "2026-09-08 07:04:08.449508+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a07fd4-d0ff-7bba-a845-9715de975be1"
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      "materiality": "security",
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      "occurred_at": "2026-09-08 07:04:08.449508+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a07fd4-d100-712f-9ccf-caaed78087fa"
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      "materiality": "security",
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      "occurred_at": "2026-09-08 07:04:08.449508+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a07fd4-d100-7605-a814-67515f54c7b9"
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      "materiality": "security",
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      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 07:04:08.449508+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a07fd4-d100-79a3-8516-f3762128bd93"
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      "id": "chg_01a07aad-7ef4-7e94-a5f2-7a389186c01e",
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      "subject_kind": "check",
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      "from_code": "auth.none_unlisted",
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      "from_value": "unverified",
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      "occurred_at": "2026-09-07 07:03:05.502564+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a07aad-7ef4-7e94-a5f2-7a389186c01e"
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    {
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      "subject_kind": "check",
      "subject": "tool-safety-injection",
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      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
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      "score_delta": null,
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      "occurred_at": "2026-09-07 07:03:05.502564+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a07aad-7efc-71da-8ba7-636588cbda7c"
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      "id": "chg_01a07aad-7efe-74f9-8071-873953ed1274",
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      "from_code": "stability.churn",
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      "occurred_at": "2026-09-07 07:03:05.502564+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a07aad-7efe-74f9-8071-873953ed1274"
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        "auth_transport": "0"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 07:02:12.425116+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a07586-531c-7e61-835f-1ee9ac2d62d1"
    },
    {
      "id": "chg_01a07586-531e-7e11-a128-28620c7b828b",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 07:02:12.425116+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a07586-531e-7e11-a128-28620c7b828b"
    },
    {
      "id": "chg_01a07586-531f-79eb-a26c-d08984c72ab0",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 07:02:12.425116+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a07586-531f-79eb-a26c-d08984c72ab0"
    },
    {
      "id": "chg_01a0705f-aca3-7f39-99ef-7243eff6410a",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 07:01:53.122003+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a0705f-aca3-7f39-99ef-7243eff6410a"
    },
    {
      "id": "chg_01a0705f-aca6-7db1-9474-ab36e85a30ee",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 07:01:53.122003+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a0705f-aca6-7db1-9474-ab36e85a30ee"
    },
    {
      "id": "chg_01a0705f-aca7-73ae-ba8d-7058e7bc5849",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "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"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 07:01:53.122003+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a0705f-aca7-73ae-ba8d-7058e7bc5849"
    },
    {
      "id": "chg_01a0705f-aca7-7d40-a050-eee18aed9b56",
      "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"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 07:01:53.122003+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a0705f-aca7-7d40-a050-eee18aed9b56"
    },
    {
      "id": "chg_01a0705f-aca8-72a2-b08d-b704cc158e58",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 07:01:53.122003+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a0705f-aca8-72a2-b08d-b704cc158e58"
    },
    {
      "id": "chg_01a06b39-5ecc-7d8a-a289-1c593e20412e",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 07:01:56.91677+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a06b39-5ecc-7d8a-a289-1c593e20412e"
    },
    {
      "id": "chg_01a06b39-5ecf-78d0-8518-e6e66b602f8e",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 07:01:56.91677+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a06b39-5ecf-78d0-8518-e6e66b602f8e"
    },
    {
      "id": "chg_01a06b39-5ed0-70cc-a87c-6b9fabd87ce2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "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"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 07:01:56.91677+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a06b39-5ed0-70cc-a87c-6b9fabd87ce2"
    },
    {
      "id": "chg_01a06b39-5ed0-77a9-bd87-2c4552fbafb8",
      "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"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 07:01:56.91677+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a06b39-5ed0-77a9-bd87-2c4552fbafb8"
    },
    {
      "id": "chg_01a06b39-5ed0-7d93-be06-119a0563d068",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "entity_profile",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "entity_profile"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 07:01:56.91677+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “entity_profile” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a06b39-5ed0-7d93-be06-119a0563d068"
    },
    {
      "id": "chg_01a06b39-5ed2-72da-9129-85ef4694caf0",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 07:01:56.91677+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a06b39-5ed2-72da-9129-85ef4694caf0"
    },
    {
      "id": "chg_01a06612-8223-7985-8e94-9099dcd33583",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 07:01:23.97965+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a06612-8223-7985-8e94-9099dcd33583"
    },
    {
      "id": "chg_01a06612-8224-7d86-b95b-b8bd958dc566",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 07:01:23.97965+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a06612-8224-7d86-b95b-b8bd958dc566"
    },
    {
      "id": "chg_01a06612-8225-73ad-9e86-c7356a506423",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 07:01:23.97965+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a06612-8225-73ad-9e86-c7356a506423"
    },
    {
      "id": "chg_01a06612-8225-7956-bc62-c116ee58bf19",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "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"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 07:01:23.97965+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a06612-8225-7956-bc62-c116ee58bf19"
    },
    {
      "id": "chg_01a06612-8225-7f22-b1a3-b586991c8f9b",
      "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"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 07:01:23.97965+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a06612-8225-7f22-b1a3-b586991c8f9b"
    },
    {
      "id": "chg_01a06612-8226-7abe-9ecc-3b796eda72ab",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_kalshi_spread"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 07:01:23.97965+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a06612-8226-7abe-9ecc-3b796eda72ab"
    },
    {
      "id": "chg_01a06612-8227-7118-9062-bbdfcd185382",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 07:01:23.97965+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a06612-8227-7118-9062-bbdfcd185382"
    },
    {
      "id": "chg_01a060ec-5726-7dcd-a78a-3344b1a9bc30",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 07:01:36.448729+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a060ec-5726-7dcd-a78a-3344b1a9bc30"
    },
    {
      "id": "chg_01a060ec-5728-7b4a-8b0d-48c3ad54a30a",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 07:01:36.448729+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a060ec-5728-7b4a-8b0d-48c3ad54a30a"
    },
    {
      "id": "chg_01a060ec-5729-72e7-86eb-9c8f39b94885",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 07:01:36.448729+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a060ec-5729-72e7-86eb-9c8f39b94885"
    },
    {
      "id": "chg_01a060ec-5729-7926-bc21-b130860f50f0",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "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"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 07:01:36.448729+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a060ec-5729-7926-bc21-b130860f50f0"
    },
    {
      "id": "chg_01a060ec-572a-702f-8ef9-bb4eb816cccb",
      "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"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 07:01:36.448729+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a060ec-572a-702f-8ef9-bb4eb816cccb"
    },
    {
      "id": "chg_01a060ec-572a-7762-9f86-c3c62b471b8a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "resolve_entity",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "resolve_entity"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 07:01:36.448729+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “resolve_entity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a060ec-572a-7762-9f86-c3c62b471b8a"
    },
    {
      "id": "chg_01a060ec-572b-7482-9a82-c55430a9fe20",
      "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 07:01:36.448729+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/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a060ec-572b-7482-9a82-c55430a9fe20"
    },
    {
      "id": "chg_01a05bc5-dba2-71df-a718-a1e364cfa842",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 07:01:28.577659+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a05bc5-dba2-71df-a718-a1e364cfa842"
    },
    {
      "id": "chg_01a05bc5-dba3-7a71-bd8a-39843bb09ef3",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 07:01:28.577659+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a05bc5-dba3-7a71-bd8a-39843bb09ef3"
    },
    {
      "id": "chg_01a05bc5-dba4-70cd-bcb6-4d4da6e2e661",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 07:01:28.577659+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a05bc5-dba4-70cd-bcb6-4d4da6e2e661"
    },
    {
      "id": "chg_01a05bc5-dba4-7807-b335-3a5e32bdf47a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "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"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 07:01:28.577659+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a05bc5-dba4-7807-b335-3a5e32bdf47a"
    },
    {
      "id": "chg_01a05bc5-dba4-7d1c-b758-8eab4e42393a",
      "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"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 07:01:28.577659+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a05bc5-dba4-7d1c-b758-8eab4e42393a"
    },
    {
      "id": "chg_01a05bc5-dba5-7307-9b05-8eb4ceef2912",
      "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 07:01:28.577659+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/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a05bc5-dba5-7307-9b05-8eb4ceef2912"
    },
    {
      "id": "chg_01a0569f-94d6-7272-9a76-8ccee0e7d296",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 07:01:33.735493+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a0569f-94d6-7272-9a76-8ccee0e7d296"
    },
    {
      "id": "chg_01a0569f-94d8-79b8-b9d8-75958ab3ee89",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 07:01:33.735493+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a0569f-94d8-79b8-b9d8-75958ab3ee89"
    },
    {
      "id": "chg_01a0569f-94d9-7ae2-b93e-c07238371d79",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "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"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 07:01:33.735493+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a0569f-94d9-7ae2-b93e-c07238371d79"
    },
    {
      "id": "chg_01a0569f-94da-770b-aa68-3568a7dbdfb9",
      "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"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 07:01:33.735493+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a0569f-94da-770b-aa68-3568a7dbdfb9"
    },
    {
      "id": "chg_01a0569f-94db-7031-a434-a74619268678",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_kalshi_spread"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 07:01:33.735493+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a0569f-94db-7031-a434-a74619268678"
    },
    {
      "id": "chg_01a0569f-94db-79e3-9351-2318240ab34c",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 07:01:33.735493+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a0569f-94db-79e3-9351-2318240ab34c"
    },
    {
      "id": "chg_01a04c52-b87d-7108-8d34-423ba61f15d0",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 07:01:24.668292+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a04c52-b87d-7108-8d34-423ba61f15d0"
    },
    {
      "id": "chg_01a04c52-b880-78c5-af8c-e51fa04d7260",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 07:01:24.668292+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a04c52-b880-78c5-af8c-e51fa04d7260"
    },
    {
      "id": "chg_01a04c52-b881-70e5-b510-fda8460fb5af",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 07:01:24.668292+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a04c52-b881-70e5-b510-fda8460fb5af"
    },
    {
      "id": "chg_01a04c52-b881-77f9-9989-cd9771bde301",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "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"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 07:01:24.668292+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a04c52-b881-77f9-9989-cd9771bde301"
    },
    {
      "id": "chg_01a04c52-b881-7d79-930f-8fc8c6516311",
      "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"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 07:01:24.668292+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a04c52-b881-7d79-930f-8fc8c6516311"
    },
    {
      "id": "chg_01a04c52-b882-739d-b034-6853b1249730",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 07:01:24.668292+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a04c52-b882-739d-b034-6853b1249730"
    },
    {
      "id": "chg_01a04205-d947-7760-a386-4c754f71729b",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 07:01:14.60354+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a04205-d947-7760-a386-4c754f71729b"
    },
    {
      "id": "chg_01a04205-d949-70cd-9788-970876336dc0",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 07:01:14.60354+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a04205-d949-70cd-9788-970876336dc0"
    },
    {
      "id": "chg_01a04205-d949-76cb-8467-071c1956e93a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 07:01:14.60354+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a04205-d949-76cb-8467-071c1956e93a"
    },
    {
      "id": "chg_01a04205-d949-7d2c-b6be-d70445741f7d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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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_grounded"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 07:01:14.60354+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a04205-d949-7d2c-b6be-d70445741f7d"
    },
    {
      "id": "chg_01a04205-d94b-703c-9495-aabb5d3cd96d",
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      "family": "",
      "subject_kind": "tool",
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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": "deep_research"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 07:01:14.60354+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a04205-d94b-703c-9495-aabb5d3cd96d"
    },
    {
      "id": "chg_01a04205-d94b-75b7-8dc5-c1ae58105c5b",
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      "family": "",
      "subject_kind": "server",
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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": "2026-08-27",
      "occurred_at": "2026-08-27 07:01:14.60354+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a04205-d94b-75b7-8dc5-c1ae58105c5b"
    },
    {
      "id": "chg_01a037b9-3c91-71ed-b1ce-d5e50b2c0876",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 07:01:21.526023+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a037b9-3c91-71ed-b1ce-d5e50b2c0876"
    },
    {
      "id": "chg_01a037b9-3c94-743d-80d9-3b7f3ba976fe",
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      "family": "stability",
      "subject_kind": "check",
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      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 07:01:21.526023+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a037b9-3c94-743d-80d9-3b7f3ba976fe"
    },
    {
      "id": "chg_01a02d6c-bedb-7393-8496-26c06543081c",
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      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
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      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
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      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 07:01:36.479609+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02d6c-bedb-7393-8496-26c06543081c"
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    {
      "id": "chg_01a02d6c-bedc-71fd-8266-f42ceb31fb79",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 07:01:36.479609+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02d6c-bedc-71fd-8266-f42ceb31fb79"
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    {
      "id": "chg_01a02d6c-bedc-77a9-aa84-13cf46cceae6",
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      "subject_kind": "tool",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 07:01:36.479609+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02d6c-bedc-77a9-aa84-13cf46cceae6"
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    {
      "id": "chg_01a02d6c-bedc-7d2d-87a1-41cb9d36500c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 07:01:36.479609+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02d6c-bedc-7d2d-87a1-41cb9d36500c"
    },
    {
      "id": "chg_01a02d6c-bedd-7523-b26f-c638491c9c59",
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      "family": "",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 07:01:36.479609+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02d6c-bedd-7523-b26f-c638491c9c59"
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    {
      "id": "chg_01a02d6c-bedd-79e7-ba05-579df3c297fd",
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      "family": "",
      "subject_kind": "server",
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      "from_code": null,
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      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 07:01:36.479609+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02d6c-bedd-79e7-ba05-579df3c297fd"
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    {
      "id": "chg_01a02846-3619-73d7-8bbb-4f9631b75fc8",
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      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 07:01:24.963288+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02846-3619-73d7-8bbb-4f9631b75fc8"
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    {
      "id": "chg_01a02846-3616-7c0d-8c15-3d5c1b11a9b3",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 07:01:24.963288+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02846-3616-7c0d-8c15-3d5c1b11a9b3"
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    {
      "id": "chg_01a02846-3618-777a-a346-6fc46c5766c4",
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      "subject_kind": "check",
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      "from_code": null,
      "to_code": "auth.registration_cimd",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 07:01:24.963288+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "First check of Authorization (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02846-3618-777a-a346-6fc46c5766c4"
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    {
      "id": "chg_01a02846-3618-7d45-b730-9a45f89554a0",
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      "materiality": "security",
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      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 07:01:24.963288+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02846-3618-7d45-b730-9a45f89554a0"
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    {
      "id": "chg_01a02846-3619-7a3a-9f7d-e51e85b50878",
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      "subject_kind": "tool",
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      "materiality": "security",
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        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 07:01:24.963288+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02846-3619-7a3a-9f7d-e51e85b50878"
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    {
      "id": "chg_01a02846-361a-7126-bf20-0b1070b33421",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 07:01:24.963288+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02846-361a-7126-bf20-0b1070b33421"
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    {
      "id": "chg_01a02846-361a-7655-a3d3-5627c5f65747",
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      "subject_kind": "server",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 07:01:24.963288+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02846-361a-7655-a3d3-5627c5f65747"
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    {
      "id": "chg_01a02322-7d2a-761d-8a68-186612ca16ed",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 07:04:17.68292+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02322-7d2a-761d-8a68-186612ca16ed"
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    {
      "id": "chg_01a02322-7d2b-7d9d-b17e-dc19be7f0c44",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 07:04:17.68292+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02322-7d2b-7d9d-b17e-dc19be7f0c44"
    },
    {
      "id": "chg_01a02322-7d2c-7475-b145-eccaef7eda18",
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      "subject_kind": "tool",
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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_grounded"
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      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 07:04:17.68292+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02322-7d2c-7475-b145-eccaef7eda18"
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    {
      "id": "chg_01a02322-7d2c-79f5-b680-2d13b49c1e79",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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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": "2026-08-21",
      "occurred_at": "2026-08-21 07:04:17.68292+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02322-7d2c-79f5-b680-2d13b49c1e79"
    },
    {
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      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 07:04:17.68292+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a02322-7d2d-707d-b011-831a1b3394b8"
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    {
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      "from_code": null,
      "to_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
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      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 07:05:21.322488+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a01dfd-18f8-7919-9743-89851a97e1bc"
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    {
      "id": "chg_01a01dfd-18fa-7101-9277-0cf71937a00e",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
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      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 07:05:21.322488+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a01dfd-18fa-7101-9277-0cf71937a00e"
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    {
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      "materiality": "security",
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      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 07:05:21.322488+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a01dfd-18fa-7781-ad24-97e59e9c643b"
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
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      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 07:05:21.322488+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a01dfd-18fa-7c45-b8d4-9f83b2ac571d"
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "occurred_at": "2026-08-20 07:05:21.322488+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a01dfd-18fb-71fa-8b20-6bfe18a66a14"
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      "from_code": "auth.none_destructive_unverified",
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      "materiality": "critical",
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      "occurred_at": "2026-08-19 07:04:49.825898+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-alpaca/alpaca-mcp#chg-chg_01a018d6-42a2-7bae-bd9f-752623a22627"
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