{
  "server": "pipeworx-io-nist-beacon",
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  "generated_at": "2026-08-03T21:09:42.956Z",
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  },
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      "id": "chg_019fc672-67b4-76ed-b0a5-6b72b07adf39",
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      "occurred_at": "2026-08-03 07:06:54.235929+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-nist-beacon/nist-beacon-mcp#chg-chg_019fc672-67b4-76ed-b0a5-6b72b07adf39"
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    {
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 07:06:54.235929+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-nist-beacon/nist-beacon-mcp#chg-chg_019fc672-67b3-725e-aac3-98bc6536f716"
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    {
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      "occurred_at": "2026-08-03 07:06:54.235929+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-nist-beacon/nist-beacon-mcp#chg-chg_019fc672-67b5-7de9-8416-9d2a202efaad"
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    {
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      "materiality": "security",
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      "occurred_at": "2026-08-03 07:06:54.235929+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-nist-beacon/nist-beacon-mcp#chg-chg_019fc672-67b5-778d-a61d-c77dd0bc88bb"
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    {
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      "subject_kind": "tool",
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      "materiality": "security",
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 07:06:54.235929+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-nist-beacon/nist-beacon-mcp#chg-chg_019fc672-67b4-7eab-a01f-3b0e18565da3"
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    {
      "id": "chg_019fc150-f50d-7492-a2bd-a08bd18e8bf8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 07:12:16.12863+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-nist-beacon/nist-beacon-mcp#chg-chg_019fc150-f50d-7492-a2bd-a08bd18e8bf8"
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    {
      "id": "chg_019fc150-f50e-7659-aadf-2db07fdcedc3",
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      "family": "",
      "subject_kind": "server",
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 07:12:16.12863+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-nist-beacon/nist-beacon-mcp#chg-chg_019fc150-f50e-7659-aadf-2db07fdcedc3"
    },
    {
      "id": "chg_019fc150-f50e-7177-8deb-bff084ae4607",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 07:12:16.12863+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-nist-beacon/nist-beacon-mcp#chg-chg_019fc150-f50e-7177-8deb-bff084ae4607"
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    {
      "id": "chg_019fc150-f50d-7cd7-a1cf-ed5b33552b61",
      "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_grounded"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 07:12:16.12863+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-nist-beacon/nist-beacon-mcp#chg-chg_019fc150-f50d-7cd7-a1cf-ed5b33552b61"
    },
    {
      "id": "chg_019fc150-f50d-7998-b708-31c01eea7808",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 07:12:16.12863+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-nist-beacon/nist-beacon-mcp#chg-chg_019fc150-f50d-7998-b708-31c01eea7808"
    },
    {
      "id": "chg_019fbc28-c894-7dee-98a1-9cf051aebf1b",
      "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_grounded"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 07:10:17.222359+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-nist-beacon/nist-beacon-mcp#chg-chg_019fbc28-c894-7dee-98a1-9cf051aebf1b"
    },
    {
      "id": "chg_019fbc28-c895-734a-a161-2a68d3b34c86",
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      "family": "",
      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 07:10:17.222359+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-nist-beacon/nist-beacon-mcp#chg-chg_019fbc28-c895-734a-a161-2a68d3b34c86"
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    {
      "id": "chg_019fbc28-c895-775f-b520-661f4b8f1c59",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 07:10:17.222359+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-nist-beacon/nist-beacon-mcp#chg-chg_019fbc28-c895-775f-b520-661f4b8f1c59"
    },
    {
      "id": "chg_019fbc28-c893-7ec0-a309-3522c1e142d1",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 07:10:17.222359+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-nist-beacon/nist-beacon-mcp#chg-chg_019fbc28-c893-7ec0-a309-3522c1e142d1"
    },
    {
      "id": "chg_019fbc28-c894-7918-8d4a-7c646b0d2e10",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 07:10:17.222359+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-nist-beacon/nist-beacon-mcp#chg-chg_019fbc28-c894-7918-8d4a-7c646b0d2e10"
    },
    {
      "id": "chg_019fb2e2-7dd9-74d4-b993-fca0c9f71c8a",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 11:56:55.625141+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-nist-beacon/nist-beacon-mcp#chg-chg_019fb2e2-7dd9-74d4-b993-fca0c9f71c8a"
    },
    {
      "id": "chg_019fb2e2-7dda-7427-8d39-66e0c6e8ae7d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 11:56:55.625141+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-nist-beacon/nist-beacon-mcp#chg-chg_019fb2e2-7dda-7427-8d39-66e0c6e8ae7d"
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    {
      "id": "chg_019fb2e2-7dda-7a45-bb0e-06ee77098a47",
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      "subject_kind": "tool",
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 11:56:55.625141+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-nist-beacon/nist-beacon-mcp#chg-chg_019fb2e2-7dda-7a45-bb0e-06ee77098a47"
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    {
      "id": "chg_019fb2e2-7ddb-7075-a55b-b3de131c9311",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
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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": "2026-07-30",
      "occurred_at": "2026-07-30 11:56:55.625141+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-nist-beacon/nist-beacon-mcp#chg-chg_019fb2e2-7ddb-7075-a55b-b3de131c9311"
    },
    {
      "id": "chg_019fb2e2-7ddb-772a-bfdc-83d23487bad1",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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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": {},
      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 11:56:55.625141+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-nist-beacon/nist-beacon-mcp#chg-chg_019fb2e2-7ddb-772a-bfdc-83d23487bad1"
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    {
      "id": "chg_019fae1b-72a9-7d6a-abc3-af00b4a56518",
      "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 13:41:02.20993+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-nist-beacon/nist-beacon-mcp#chg-chg_019fae1b-72a9-7d6a-abc3-af00b4a56518"
    },
    {
      "id": "chg_019fae1b-72ac-7575-92fe-060c68aa7382",
      "kind": "server.instructions_changed",
      "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": "2026-07-29",
      "occurred_at": "2026-07-29 13:41:02.20993+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-nist-beacon/nist-beacon-mcp#chg-chg_019fae1b-72ac-7575-92fe-060c68aa7382"
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    {
      "id": "chg_019fae1b-72ab-7c85-967e-70dac0f9d2e5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
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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": "2026-07-29",
      "occurred_at": "2026-07-29 13:41:02.20993+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-nist-beacon/nist-beacon-mcp#chg-chg_019fae1b-72ab-7c85-967e-70dac0f9d2e5"
    },
    {
      "id": "chg_019fae1b-72ab-753f-b486-f0fba70cddcd",
      "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": "2026-07-29",
      "occurred_at": "2026-07-29 13:41:02.20993+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-nist-beacon/nist-beacon-mcp#chg-chg_019fae1b-72ab-753f-b486-f0fba70cddcd"
    },
    {
      "id": "chg_019fae1b-72aa-7d08-9704-0d1e37d555f3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 13:41:02.20993+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-nist-beacon/nist-beacon-mcp#chg-chg_019fae1b-72aa-7d08-9704-0d1e37d555f3"
    },
    {
      "id": "chg_019fa961-f308-775f-b6a0-c85a73d9f02b",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 15:39:56.537526+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-nist-beacon/nist-beacon-mcp#chg-chg_019fa961-f308-775f-b6a0-c85a73d9f02b"
    },
    {
      "id": "chg_019fa961-f30a-744b-ae67-1a2f43d9d6ea",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 15:39:56.537526+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-nist-beacon/nist-beacon-mcp#chg-chg_019fa961-f30a-744b-ae67-1a2f43d9d6ea"
    },
    {
      "id": "chg_019fa961-f309-7d5a-afeb-7e1e3fc252ed",
      "kind": "tool.description_changed",
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      "subject": "deep_research",
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      "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 15:39:56.537526+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-nist-beacon/nist-beacon-mcp#chg-chg_019fa961-f309-7d5a-afeb-7e1e3fc252ed"
    },
    {
      "id": "chg_019fa961-f309-763b-8edc-e6c55ed07f1e",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 15:39:56.537526+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-nist-beacon/nist-beacon-mcp#chg-chg_019fa961-f309-763b-8edc-e6c55ed07f1e"
    },
    {
      "id": "chg_019fa961-f308-7df6-8d07-cb4904391f0a",
      "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 15:39:56.537526+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-nist-beacon/nist-beacon-mcp#chg-chg_019fa961-f308-7df6-8d07-cb4904391f0a"
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    {
      "id": "chg_019fa961-f308-7053-a4e1-f4a3ab925339",
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      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive_unverified",
      "to_code": "auth.none_destructive",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 15:39:56.537526+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-nist-beacon/nist-beacon-mcp#chg-chg_019fa961-f308-7053-a4e1-f4a3ab925339"
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    {
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    {
      "date": "2026-07-28",
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}