{
  "server": "pipeworx-io-market-spread",
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      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-market-spread/market-spread-mcp#chg-chg_019fc604-e629-754a-882d-2ebc647e362e"
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      "occurred_at": "2026-08-03 05:07:17.615528+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-market-spread/market-spread-mcp#chg-chg_019fc604-e627-7e75-b6cf-ef3871315043"
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    {
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      "occurred_at": "2026-08-03 05:07:17.615528+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-market-spread/market-spread-mcp#chg-chg_019fc604-e629-7072-b023-03929d4ab588"
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    {
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      "occurred_at": "2026-08-03 05:07:17.615528+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-market-spread/market-spread-mcp#chg-chg_019fc604-e62a-75b7-9579-81fff4f3ce71"
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    {
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      "occurred_at": "2026-08-03 05:07:17.615528+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-market-spread/market-spread-mcp#chg-chg_019fc604-e629-7a19-ba2d-d9029e2ed0fe"
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    {
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      "occurred_at": "2026-08-02 05:05:06.424207+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-market-spread/market-spread-mcp#chg-chg_019fc0dc-8983-7932-be25-dc04964cface"
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    {
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      "subject_kind": "server",
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      "occurred_at": "2026-08-02 05:05:06.424207+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-market-spread/market-spread-mcp#chg-chg_019fc0dc-8983-7dda-aadd-794664dbe660"
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    {
      "id": "chg_019fc0dc-8982-74e5-b623-d632542bb5ed",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 05:05:06.424207+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-market-spread/market-spread-mcp#chg-chg_019fc0dc-8982-74e5-b623-d632542bb5ed"
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    {
      "id": "chg_019fc0dc-8982-7ebd-adbe-3a95553be904",
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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 05:05:06.424207+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-market-spread/market-spread-mcp#chg-chg_019fc0dc-8982-7ebd-adbe-3a95553be904"
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    {
      "id": "chg_019fc0dc-8983-7471-acd9-52c87db24d56",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 05:05:06.424207+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-market-spread/market-spread-mcp#chg-chg_019fc0dc-8983-7471-acd9-52c87db24d56"
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    {
      "id": "chg_019fbbb6-039d-7c30-af2e-be1790201a47",
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      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 05:04:55.694447+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-market-spread/market-spread-mcp#chg-chg_019fbbb6-039d-7c30-af2e-be1790201a47"
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    {
      "id": "chg_019faf29-c784-7deb-a4cd-70c6fa2491d4",
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      "detail": {
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 18:36:18.682304+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-market-spread/market-spread-mcp#chg-chg_019faf29-c784-7deb-a4cd-70c6fa2491d4"
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    {
      "id": "chg_019faf29-c786-7c16-a5e4-9e091547c992",
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      "subject_kind": "tool",
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 18:36:18.682304+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-market-spread/market-spread-mcp#chg-chg_019faf29-c786-7c16-a5e4-9e091547c992"
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    {
      "id": "chg_019faf29-c787-712f-9bb7-6f6af43555d1",
      "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": "2026-07-29",
      "occurred_at": "2026-07-29 18:36:18.682304+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-market-spread/market-spread-mcp#chg-chg_019faf29-c787-712f-9bb7-6f6af43555d1"
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    {
      "id": "chg_019faf29-c788-782f-bb58-b6466f8fa28d",
      "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": "deep_research"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 18:36:18.682304+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-market-spread/market-spread-mcp#chg-chg_019faf29-c788-782f-bb58-b6466f8fa28d"
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    {
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      "subject_kind": "server",
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 18:36:18.682304+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-market-spread/market-spread-mcp#chg-chg_019faf29-c788-7cc7-949d-242fe0a2b82a"
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    {
      "id": "chg_019faa27-81e9-75e1-920d-7d7f27a934ff",
      "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_on": "2026-07-28",
      "occurred_at": "2026-07-28 19:15:43.708966+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-market-spread/market-spread-mcp#chg-chg_019faa27-81e9-75e1-920d-7d7f27a934ff"
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    {
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      "materiality": "security",
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 19:15:43.708966+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-market-spread/market-spread-mcp#chg-chg_019faa27-81eb-7460-9ec5-1aee7a3c14cd"
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    {
      "id": "chg_019faa27-81ea-7e0e-9ec1-1495ce7090a6",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 19:15:43.708966+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-market-spread/market-spread-mcp#chg-chg_019faa27-81ea-7e0e-9ec1-1495ce7090a6"
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    {
      "id": "chg_019faa27-81ea-78c8-a4bc-1ec6d2c4d179",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 19:15:43.708966+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-market-spread/market-spread-mcp#chg-chg_019faa27-81ea-78c8-a4bc-1ec6d2c4d179"
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    {
      "id": "chg_019faa27-81ea-7302-b755-8b0f0aa0c7af",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 19:15:43.708966+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-market-spread/market-spread-mcp#chg-chg_019faa27-81ea-7302-b755-8b0f0aa0c7af"
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    {
      "id": "chg_019faa27-81e9-7c3e-815d-9ad466b94fb7",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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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 19:15:43.708966+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-market-spread/market-spread-mcp#chg-chg_019faa27-81e9-7c3e-815d-9ad466b94fb7"
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}