{
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      "observed_since": "2026-08-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-amplitude/amplitude-mcp#chg-chg_019fcabd-45c7-7e15-9cc1-2416327782f4"
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      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-amplitude/amplitude-mcp#chg-chg_019fc598-0534-7cfa-a940-9445548d5aea"
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 03:08:22.06945+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-amplitude/amplitude-mcp#chg-chg_019fc598-0530-7e58-8dfb-5d3980f4adc2"
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    {
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      "occurred_at": "2026-08-03 03:08:22.06945+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-amplitude/amplitude-mcp#chg-chg_019fc598-0535-786f-8ce5-73c2fb95fbae"
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    {
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      "occurred_at": "2026-08-03 03:08:22.06945+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-amplitude/amplitude-mcp#chg-chg_019fc598-0535-72b8-bbe7-e9ef7500ca36"
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    {
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      "occurred_at": "2026-08-03 03:08:22.06945+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-amplitude/amplitude-mcp#chg-chg_019fc598-0533-7499-82b7-7ed1b3432109"
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    {
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      "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-amplitude/amplitude-mcp#chg-chg_019fc079-0941-753c-ad2e-526d44e5b0fe"
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    {
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      "occurred_at": "2026-08-02 03:16:25.524838+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-amplitude/amplitude-mcp#chg-chg_019fc079-0942-746e-a67e-8e5fca43976e"
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    {
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      "occurred_at": "2026-08-02 03:16:25.524838+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-amplitude/amplitude-mcp#chg-chg_019fc079-0942-705b-a2ae-ffa57161bc2c"
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      "occurred_at": "2026-08-02 03:16:25.524838+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-amplitude/amplitude-mcp#chg-chg_019fc079-0941-7989-be1f-f80c164fd4f3"
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    {
      "id": "chg_019fc079-0940-7e0b-a05c-4e8566bcc84f",
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 03:16:25.524838+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-amplitude/amplitude-mcp#chg-chg_019fc079-0940-7e0b-a05c-4e8566bcc84f"
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      "occurred_at": "2026-08-01 03:13:45.161021+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-amplitude/amplitude-mcp#chg-chg_019fbb50-3ad9-74b0-b329-25902c79f022"
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      "occurred_at": "2026-08-01 03:13:45.161021+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-amplitude/amplitude-mcp#chg-chg_019fbb50-3ada-7851-9fe4-bc63e773a81e"
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      "occurred_at": "2026-08-01 03:13:45.161021+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-amplitude/amplitude-mcp#chg-chg_019fbb50-3ada-72ce-aa34-b3e16562e65f"
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    {
      "id": "chg_019fbb50-3ad9-7c1b-af93-257e7687edea",
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 03:13:45.161021+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-amplitude/amplitude-mcp#chg-chg_019fbb50-3ad9-7c1b-af93-257e7687edea"
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    {
      "id": "chg_019fbb50-3ad8-7b16-80f4-bca418ee33d0",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 03:13:45.161021+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-amplitude/amplitude-mcp#chg-chg_019fbb50-3ad8-7b16-80f4-bca418ee33d0"
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    {
      "id": "chg_019fb369-1400-757b-ada3-19557827d614",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
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      "from_code": "auth.none_destructive",
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      "from_value": "fail",
      "to_value": "unverified",
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      "occurred_at": "2026-07-30 14:23:55.889521+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-amplitude/amplitude-mcp#chg-chg_019fb369-1400-757b-ada3-19557827d614"
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    {
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      "subject_kind": "server",
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      "materiality": "security",
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 14:23:55.889521+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-amplitude/amplitude-mcp#chg-chg_019fb369-1402-7be3-90f8-b8b58eb71000"
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    {
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      "materiality": "security",
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      "occurred_at": "2026-07-30 14:23:55.889521+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-amplitude/amplitude-mcp#chg-chg_019fb369-1402-750f-912f-8ef03464af9b"
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 14:23:55.889521+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-amplitude/amplitude-mcp#chg-chg_019fb369-1401-7ddb-911f-867a4618931c"
    },
    {
      "id": "chg_019fb369-1401-735b-be04-165ba5029fb3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 14:23:55.889521+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-amplitude/amplitude-mcp#chg-chg_019fb369-1401-735b-be04-165ba5029fb3"
    },
    {
      "id": "chg_019fb369-1400-7cb9-94b1-7e4531c69d4d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 14:23:55.889521+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-amplitude/amplitude-mcp#chg-chg_019fb369-1400-7cb9-94b1-7e4531c69d4d"
    },
    {
      "id": "chg_019fae8b-24bb-7c64-83cc-de65ff1db3dc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 15:43:02.275361+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-amplitude/amplitude-mcp#chg-chg_019fae8b-24bb-7c64-83cc-de65ff1db3dc"
    },
    {
      "id": "chg_019fae8b-24bd-758f-9cfc-aa8bf00b03c8",
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      "family": "",
      "subject_kind": "server",
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      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 15:43:02.275361+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-amplitude/amplitude-mcp#chg-chg_019fae8b-24bd-758f-9cfc-aa8bf00b03c8"
    },
    {
      "id": "chg_019fae8b-24bd-706f-ad3b-e4825a1d60f7",
      "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": "deep_research"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 15:43:02.275361+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-amplitude/amplitude-mcp#chg-chg_019fae8b-24bd-706f-ad3b-e4825a1d60f7"
    },
    {
      "id": "chg_019fae8b-24bc-78a9-9772-db6e9fd552ba",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 15:43:02.275361+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-amplitude/amplitude-mcp#chg-chg_019fae8b-24bc-78a9-9772-db6e9fd552ba"
    },
    {
      "id": "chg_019fae8b-24bc-7245-8622-a1bb5626157e",
      "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 15:43:02.275361+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-amplitude/amplitude-mcp#chg-chg_019fae8b-24bc-7245-8622-a1bb5626157e"
    },
    {
      "id": "chg_019fae8b-24bb-74c9-a873-33675d9b6cc6",
      "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": "2026-07-29",
      "occurred_at": "2026-07-29 15:43:02.275361+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-amplitude/amplitude-mcp#chg-chg_019fae8b-24bb-74c9-a873-33675d9b6cc6"
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    {
      "id": "chg_019fa9b1-1227-70d2-974a-6bb219b9aaae",
      "kind": "tool.description_changed",
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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",
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 17:06:21.852632+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-amplitude/amplitude-mcp#chg-chg_019fa9b1-1227-70d2-974a-6bb219b9aaae"
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    {
      "id": "chg_019fa9b1-1228-7143-b700-1959af660c32",
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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",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 17:06:21.852632+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-amplitude/amplitude-mcp#chg-chg_019fa9b1-1228-7143-b700-1959af660c32"
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    {
      "id": "chg_019fa9b1-1227-7c43-ad85-98b8c6c58ae4",
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      "subject_kind": "tool",
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "occurred_at": "2026-07-28 17:06:21.852632+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-amplitude/amplitude-mcp#chg-chg_019fa9b1-1227-7c43-ad85-98b8c6c58ae4"
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    {
      "id": "chg_019fa9b1-1227-78a3-abac-856a47aa7709",
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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",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 17:06:21.852632+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-amplitude/amplitude-mcp#chg-chg_019fa9b1-1227-78a3-abac-856a47aa7709"
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    {
      "id": "chg_019fa9b1-1227-7566-9fe0-5afbd5aa9a02",
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      "subject_kind": "tool",
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 17:06:21.852632+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-amplitude/amplitude-mcp#chg-chg_019fa9b1-1227-7566-9fe0-5afbd5aa9a02"
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    {
      "id": "chg_019fa9b1-1226-7a6f-ab38-4ef4875b1c4e",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
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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_at": "2026-07-28 17:06:21.852632+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-amplitude/amplitude-mcp#chg-chg_019fa9b1-1226-7a6f-ab38-4ef4875b1c4e"
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    {
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    {
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    {
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}