{
  "server": "pipeworx-io-data-sncf",
  "component": "data-sncf-mcp",
  "generated_at": "2026-08-03T21:52:43.438Z",
  "tracking_since": "2026-07-26",
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  },
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      "occurred_at": "2026-08-03 04:02:41.978929+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-data-sncf/data-sncf-mcp#chg-chg_019fc5c9-c2f0-7968-9090-b63a180669a7"
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    {
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 04:02:41.978929+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-data-sncf/data-sncf-mcp#chg-chg_019fc5c9-c2f0-7537-8446-31af947009da"
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    {
      "id": "chg_019fc5c9-c2f0-70a4-92ef-2eef622adda5",
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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 04:02:41.978929+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-data-sncf/data-sncf-mcp#chg-chg_019fc5c9-c2f0-70a4-92ef-2eef622adda5"
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    {
      "id": "chg_019fc5c9-c2ef-72d5-93d8-9b2a260ed382",
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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": "2026-08-03",
      "occurred_at": "2026-08-03 04:02:41.978929+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-data-sncf/data-sncf-mcp#chg-chg_019fc5c9-c2ef-72d5-93d8-9b2a260ed382"
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    {
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 04:02:41.978929+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-data-sncf/data-sncf-mcp#chg-chg_019fc5c9-c2ee-72fd-9093-5f8a885463db"
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    {
      "id": "chg_019fc0a5-5ac5-7d00-9a37-65a08260105f",
      "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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      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 04:04:49.978941+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-data-sncf/data-sncf-mcp#chg-chg_019fc0a5-5ac5-7d00-9a37-65a08260105f"
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    {
      "id": "chg_019fc0a5-5ac6-7993-ac1e-81dc01c2b4ed",
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      "family": "",
      "subject_kind": "tool",
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 04:04:49.978941+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-data-sncf/data-sncf-mcp#chg-chg_019fc0a5-5ac6-7993-ac1e-81dc01c2b4ed"
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    {
      "id": "chg_019fc0a5-5ac7-78dd-89ec-783352b63d05",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 04:04:49.978941+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-data-sncf/data-sncf-mcp#chg-chg_019fc0a5-5ac7-78dd-89ec-783352b63d05"
    },
    {
      "id": "chg_019fc0a5-5ac7-736a-a7ff-fb3cbc3f0fef",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
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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"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 04:04:49.978941+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-data-sncf/data-sncf-mcp#chg-chg_019fc0a5-5ac7-736a-a7ff-fb3cbc3f0fef"
    },
    {
      "id": "chg_019fc0a5-5ac6-7e05-a7da-455db77c391d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 04:04:49.978941+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-data-sncf/data-sncf-mcp#chg-chg_019fc0a5-5ac6-7e05-a7da-455db77c391d"
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    {
      "id": "chg_019fbb7e-c4a3-722e-b9f8-46b33d97062b",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
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      "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 04:04:35.090626+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-data-sncf/data-sncf-mcp#chg-chg_019fbb7e-c4a3-722e-b9f8-46b33d97062b"
    },
    {
      "id": "chg_019fafb6-e415-74e1-845b-d6f560409b7a",
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      "family": "",
      "subject_kind": "server",
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 21:10:26.56256+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-data-sncf/data-sncf-mcp#chg-chg_019fafb6-e415-74e1-845b-d6f560409b7a"
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    {
      "id": "chg_019fafb6-e414-7eb2-95d7-8f2c2b016c25",
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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": "2026-07-29",
      "occurred_at": "2026-07-29 21:10:26.56256+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-data-sncf/data-sncf-mcp#chg-chg_019fafb6-e414-7eb2-95d7-8f2c2b016c25"
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    {
      "id": "chg_019fafb6-e414-7a49-a551-f809993a5b68",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
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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_grounded"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 21:10:26.56256+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-data-sncf/data-sncf-mcp#chg-chg_019fafb6-e414-7a49-a551-f809993a5b68"
    },
    {
      "id": "chg_019fafb6-e414-7305-a173-851bcf831fa7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 21:10:26.56256+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-data-sncf/data-sncf-mcp#chg-chg_019fafb6-e414-7305-a173-851bcf831fa7"
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    {
      "id": "chg_019fafb6-e412-7e18-bb28-4a00fa94affc",
      "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"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 21:10:26.56256+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-data-sncf/data-sncf-mcp#chg-chg_019fafb6-e412-7e18-bb28-4a00fa94affc"
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    {
      "id": "chg_019faa25-f01b-7723-b790-f2dca810a52a",
      "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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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 19:14:00.838319+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-data-sncf/data-sncf-mcp#chg-chg_019faa25-f01b-7723-b790-f2dca810a52a"
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    {
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 19:14:00.838319+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-data-sncf/data-sncf-mcp#chg-chg_019faa25-f01b-7e59-b6a5-8489a482a8b9"
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    {
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      "subject_kind": "server",
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      "materiality": "security",
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 19:14:00.838319+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-data-sncf/data-sncf-mcp#chg-chg_019faa25-f01d-7a30-af8b-d41e1afe3d8a"
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    {
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      "subject_kind": "tool",
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      "materiality": "security",
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      "occurred_at": "2026-07-28 19:14:00.838319+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-data-sncf/data-sncf-mcp#chg-chg_019faa25-f01d-74b9-b932-5d6fa8d2014c"
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      "id": "chg_019faa25-f01c-7756-a1d5-a056e30e3348",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 19:14:00.838319+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-data-sncf/data-sncf-mcp#chg-chg_019faa25-f01c-7756-a1d5-a056e30e3348"
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}