{
  "server": "pipeworx-io-h1b",
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  },
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      "occurred_at": "2026-08-03 09:07:55.799159+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-h1b/h1b-mcp#chg-chg_019fc6e1-3529-7510-9e4a-d3a494e34fac"
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    {
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      "occurred_at": "2026-08-03 09:07:55.799159+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-h1b/h1b-mcp#chg-chg_019fc6e1-352b-7074-8265-2c50dba98855"
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    {
      "id": "chg_019fc6e1-352a-7c01-8457-ae16fbe6be64",
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      "occurred_at": "2026-08-03 09:07:55.799159+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-h1b/h1b-mcp#chg-chg_019fc6e1-352a-7c01-8457-ae16fbe6be64"
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    {
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      "occurred_at": "2026-08-03 09:07:55.799159+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-h1b/h1b-mcp#chg-chg_019fc6e1-352a-7772-8eaa-475ac40e63cf"
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    {
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      "occurred_at": "2026-08-03 09:07:55.799159+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-h1b/h1b-mcp#chg-chg_019fc6e1-352a-7334-99bb-db339905f8e5"
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    {
      "id": "chg_019fc1be-3903-78a0-86a4-b9b5e801237f",
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 09:11:36.93549+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-h1b/h1b-mcp#chg-chg_019fc1be-3903-78a0-86a4-b9b5e801237f"
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    {
      "id": "chg_019fc1be-3904-7d00-84b8-4f0d322d53a4",
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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 09:11:36.93549+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-h1b/h1b-mcp#chg-chg_019fc1be-3904-7d00-84b8-4f0d322d53a4"
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    {
      "id": "chg_019fc1be-3904-777d-a335-591d22482c98",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 09:11:36.93549+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-h1b/h1b-mcp#chg-chg_019fc1be-3904-777d-a335-591d22482c98"
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    {
      "id": "chg_019fc1be-3904-702e-bd2c-e4585747fc24",
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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 09:11:36.93549+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-h1b/h1b-mcp#chg-chg_019fc1be-3904-702e-bd2c-e4585747fc24"
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    {
      "id": "chg_019fc1be-3902-79b1-a67a-0d4672f0bca4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
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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"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 09:11:36.93549+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-h1b/h1b-mcp#chg-chg_019fc1be-3902-79b1-a67a-0d4672f0bca4"
    },
    {
      "id": "chg_019fbca1-8744-7969-a946-874a77743b11",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
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      "from_code": "auth.none_destructive",
      "to_code": "auth.none_destructive_unverified",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 09:22:10.342674+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_019fbca1-8744-7969-a946-874a77743b11"
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    {
      "id": "chg_019faff8-cedc-7185-be2f-af22d20cc380",
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      "subject_kind": "tool",
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      "detail": {
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 22:22:26.509288+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-h1b/h1b-mcp#chg-chg_019faff8-cedc-7185-be2f-af22d20cc380"
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    {
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 22:22:26.509288+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-h1b/h1b-mcp#chg-chg_019faff8-cedd-7e5c-95b5-d7a682652f97"
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    {
      "id": "chg_019faff8-cedd-79da-b750-4daf2d24f25c",
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      "subject_kind": "tool",
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 22:22:26.509288+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-h1b/h1b-mcp#chg-chg_019faff8-cedd-79da-b750-4daf2d24f25c"
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    {
      "id": "chg_019faff8-cedd-753b-913b-0e9d7ff78d88",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 22:22:26.509288+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-h1b/h1b-mcp#chg-chg_019faff8-cedd-753b-913b-0e9d7ff78d88"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 22:22:26.509288+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-h1b/h1b-mcp#chg-chg_019faff8-cedc-7eec-af81-a451f3a6e659"
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    {
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 20:24:39.40101+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-h1b/h1b-mcp#chg-chg_019faa66-9cf5-7288-96d6-8b36726c71dc"
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      "occurred_at": "2026-07-28 20:24:39.40101+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-h1b/h1b-mcp#chg-chg_019faa66-9cf6-72a9-8fc3-1b7c6e344a25"
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    {
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      "materiality": "security",
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      "occurred_at": "2026-07-28 20:24:39.40101+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-h1b/h1b-mcp#chg-chg_019faa66-9cf5-7d7c-be60-3483ba70c579"
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      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_019faa66-9cf5-785f-ba90-463562e2dff2"
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      "detail": {
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 20:24:39.40101+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-h1b/h1b-mcp#chg-chg_019faa66-9cf4-7756-9011-3b4c1edc3352"
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