{
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      "occurred_at": "2026-08-03 03:04:45.739922+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-singstat-sg/singstat-sg-mcp#chg-chg_019fc594-b7d6-7a2e-a9b3-e939731c36da"
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      "observed_since": "2026-08-02",
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      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-singstat-sg/singstat-sg-mcp#chg-chg_019fc594-b7d8-71bf-a90a-238407c0115b"
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    {
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      "occurred_at": "2026-08-03 03:04:45.739922+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-singstat-sg/singstat-sg-mcp#chg-chg_019fc594-b7d7-7c5b-9969-1258aba74004"
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    {
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      "occurred_at": "2026-08-03 03:04:45.739922+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-singstat-sg/singstat-sg-mcp#chg-chg_019fc594-b7d7-781f-9bac-420a4d9d04e9"
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    {
      "id": "chg_019fc070-1940-7e3e-92a6-e3e92558eb61",
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      "subject_kind": "check",
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      "from_code": "auth.none_destructive",
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      "from_value": "fail",
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      "occurred_at": "2026-08-02 03:06:39.794318+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-singstat-sg/singstat-sg-mcp#chg-chg_019fc070-1940-7e3e-92a6-e3e92558eb61"
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    {
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 03:06:39.794318+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-singstat-sg/singstat-sg-mcp#chg-chg_019fc070-1942-7bb9-aeb7-e0a5ff72d27b"
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    {
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 03:06:39.794318+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-singstat-sg/singstat-sg-mcp#chg-chg_019fc070-1942-76f3-8331-615d909bf864"
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    {
      "id": "chg_019fc070-1942-705a-9da7-1212cc9b3d3f",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 03:06:39.794318+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-singstat-sg/singstat-sg-mcp#chg-chg_019fc070-1942-705a-9da7-1212cc9b3d3f"
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    {
      "id": "chg_019fc070-1941-7ab0-a004-35fa81d54d85",
      "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_beta"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 03:06:39.794318+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-singstat-sg/singstat-sg-mcp#chg-chg_019fc070-1941-7ab0-a004-35fa81d54d85"
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    {
      "id": "chg_019fc070-1941-7578-b9d2-17bc5fa55ae1",
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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 03:06:39.794318+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-singstat-sg/singstat-sg-mcp#chg-chg_019fc070-1941-7578-b9d2-17bc5fa55ae1"
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    {
      "id": "chg_019fbb49-364a-7abd-b3f1-73c6b0110636",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx",
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 03:06:05.241885+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-singstat-sg/singstat-sg-mcp#chg-chg_019fbb49-364a-7abd-b3f1-73c6b0110636"
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    {
      "id": "chg_019fbb49-364c-7c63-a7b6-6070a196162a",
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      "subject_kind": "server",
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 03:06:05.241885+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-singstat-sg/singstat-sg-mcp#chg-chg_019fbb49-364c-7c63-a7b6-6070a196162a"
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    {
      "id": "chg_019fbb49-364c-7023-9280-486eb8085d15",
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      "subject_kind": "tool",
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      "from_value": null,
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      "materiality": "security",
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        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 03:06:05.241885+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-singstat-sg/singstat-sg-mcp#chg-chg_019fbb49-364c-7023-9280-486eb8085d15"
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    {
      "id": "chg_019fbb49-364c-76aa-b061-9cf7ae403847",
      "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": "2026-08-01",
      "occurred_at": "2026-08-01 03:06:05.241885+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-singstat-sg/singstat-sg-mcp#chg-chg_019fbb49-364c-76aa-b061-9cf7ae403847"
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    {
      "id": "chg_019fbb49-364b-778c-8e05-037799905dad",
      "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",
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      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 03:06:05.241885+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-singstat-sg/singstat-sg-mcp#chg-chg_019fbb49-364b-778c-8e05-037799905dad"
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    {
      "id": "chg_019fbb49-3649-7da1-ab69-ec44d02681a3",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "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": "2026-08-01",
      "occurred_at": "2026-08-01 03:06:05.241885+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-singstat-sg/singstat-sg-mcp#chg-chg_019fbb49-3649-7da1-ab69-ec44d02681a3"
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    {
      "id": "chg_019fb34e-304b-7d85-a136-94b7461272c9",
      "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": "2026-07-30",
      "occurred_at": "2026-07-30 13:54:33.656379+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-singstat-sg/singstat-sg-mcp#chg-chg_019fb34e-304b-7d85-a136-94b7461272c9"
    },
    {
      "id": "chg_019fb34e-3049-798b-b714-02ee270ef28d",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_destructive_unverified",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 13:54:33.656379+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-singstat-sg/singstat-sg-mcp#chg-chg_019fb34e-3049-798b-b714-02ee270ef28d"
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    {
      "id": "chg_019fb34e-304a-75e4-a7ea-1c884f86e475",
      "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",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 13:54:33.656379+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-singstat-sg/singstat-sg-mcp#chg-chg_019fb34e-304a-75e4-a7ea-1c884f86e475"
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    {
      "id": "chg_019fb34e-304a-7a93-995a-862f09dc26f5",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 13:54:33.656379+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-singstat-sg/singstat-sg-mcp#chg-chg_019fb34e-304a-7a93-995a-862f09dc26f5"
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    {
      "id": "chg_019fb34e-304b-7035-b8e3-33cba9288478",
      "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"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 13:54:33.656379+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-singstat-sg/singstat-sg-mcp#chg-chg_019fb34e-304b-7035-b8e3-33cba9288478"
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    {
      "id": "chg_019fb34e-304b-77b8-b3e5-a5156b025e75",
      "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": "2026-07-30",
      "occurred_at": "2026-07-30 13:54:33.656379+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-singstat-sg/singstat-sg-mcp#chg-chg_019fb34e-304b-77b8-b3e5-a5156b025e75"
    },
    {
      "id": "chg_019fae8f-dc62-7a3b-ae0f-2f17e6cb31d2",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "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_at": "2026-07-29 15:48:11.452366+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-singstat-sg/singstat-sg-mcp#chg-chg_019fae8f-dc62-7a3b-ae0f-2f17e6cb31d2"
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    {
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 15:48:11.452366+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-singstat-sg/singstat-sg-mcp#chg-chg_019fae8f-dc68-7640-b19b-cb85d947f63a"
    },
    {
      "id": "chg_019fae8f-dc67-74e3-a689-7687001a185f",
      "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",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 15:48:11.452366+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-singstat-sg/singstat-sg-mcp#chg-chg_019fae8f-dc67-74e3-a689-7687001a185f"
    },
    {
      "id": "chg_019fae8f-dc65-7eae-ba6a-ae2631ff07d4",
      "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,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 15:48:11.452366+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-singstat-sg/singstat-sg-mcp#chg-chg_019fae8f-dc65-7eae-ba6a-ae2631ff07d4"
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    {
      "id": "chg_019fae8f-dc65-7301-a3ab-c2912b4b192f",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 15:48:11.452366+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-singstat-sg/singstat-sg-mcp#chg-chg_019fae8f-dc65-7301-a3ab-c2912b4b192f"
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    {
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 15:48:11.452366+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-singstat-sg/singstat-sg-mcp#chg-chg_019fae8f-dc64-77b2-916b-78c93e0a5f37"
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    {
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      "to_value": null,
      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 17:42:45.857279+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-singstat-sg/singstat-sg-mcp#chg-chg_019fa9d2-656d-7dff-9666-93269f90e7be"
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    {
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      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 17:42:45.857279+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-singstat-sg/singstat-sg-mcp#chg-chg_019fa9d2-656f-731f-ab18-603bb7a289db"
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    {
      "id": "chg_019fa9d2-656e-7dd7-af53-ccacd19eb99f",
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      "materiality": "security",
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      "occurred_at": "2026-07-28 17:42:45.857279+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-singstat-sg/singstat-sg-mcp#chg-chg_019fa9d2-656e-7dd7-af53-ccacd19eb99f"
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    {
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      "subject_kind": "tool",
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      "from_value": null,
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      "materiality": "security",
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 17:42:45.857279+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-singstat-sg/singstat-sg-mcp#chg-chg_019fa9d2-656e-78c4-92f4-0a1547f441d0"
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    {
      "id": "chg_019fa9d2-656e-73a6-bbb7-29fb6eac4669",
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      "subject_kind": "tool",
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      "detail": {
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      "occurred_at": "2026-07-28 17:42:45.857279+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-singstat-sg/singstat-sg-mcp#chg-chg_019fa9d2-656e-73a6-bbb7-29fb6eac4669"
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    {
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      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_destructive_unverified",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
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      "occurred_at": "2026-07-28 17:42:45.857279+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-singstat-sg/singstat-sg-mcp#chg-chg_019fa9d2-656d-75dc-af05-61083dbbdc89"
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}