{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pipeworx-io-duffel",
  "component": "duffel-mcp",
  "generated_at": "2026-09-20T22:02:47.019Z",
  "tracking_since": "2026-07-26",
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    "security": 95,
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  },
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      "id": "chg_01a09434-0462-736e-90ea-a8096817a42e",
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      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a09434-0462-736e-90ea-a8096817a42e"
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      "id": "chg_01a09434-0463-7887-a3e1-f9dde168fc19",
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      "occurred_at": "2026-09-12 06:00:31.026017+00",
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      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a09434-0463-7887-a3e1-f9dde168fc19"
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    {
      "id": "chg_01a09434-0466-7563-8ac0-097d541aeb9e",
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      "occurred_at": "2026-09-12 06:00:31.026017+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a09434-0466-7563-8ac0-097d541aeb9e"
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    {
      "id": "chg_01a08f0d-eb95-72ac-b7a8-1db0f052a679",
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      "subject_kind": "check",
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      "occurred_at": "2026-09-11 06:00:49.058583+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a08f0d-eb95-72ac-b7a8-1db0f052a679"
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    {
      "id": "chg_01a08f0d-eb96-7465-baaa-e78f8612eab7",
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      "summary": "Injection markers (unverified → pass)",
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    {
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      "occurred_at": "2026-09-11 06:00:49.058583+00",
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      "summary": "Stability (fail → pass)",
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    {
      "id": "chg_01a089e7-90eb-7485-b818-e9e8641248fa",
      "kind": "check.unverifiable",
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      "subject_kind": "check",
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      "from_code": "auth.rfc9728_invoke",
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      "occurred_at": "2026-09-10 06:00:49.48244+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a089e7-90eb-7485-b818-e9e8641248fa"
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    {
      "id": "chg_01a089e7-90ec-7655-a897-e997935ca5cd",
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      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a089e7-90ec-7655-a897-e997935ca5cd"
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    {
      "id": "chg_01a089e7-90ec-7b30-9da8-f101a54f3406",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
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      "from_code": "toolsafety.injection_clean",
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      "from_value": "pass",
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      "detail": {},
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      "occurred_at": "2026-09-10 06:00:49.48244+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a089e7-90ec-7b30-9da8-f101a54f3406"
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    {
      "id": "chg_01a084c1-6f94-7cbc-ab8e-76f798871293",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
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      "from_value": "fail",
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      "materiality": "security",
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      "occurred_at": "2026-09-09 06:01:04.570707+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a084c1-6f94-7cbc-ab8e-76f798871293"
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    {
      "id": "chg_01a084c1-6f95-7a98-8402-3ca5257a4e00",
      "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",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 06:01:04.570707+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a084c1-6f95-7a98-8402-3ca5257a4e00"
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    {
      "id": "chg_01a084c1-6f96-7175-85f2-f7f584edcefe",
      "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",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 06:01:04.570707+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a084c1-6f96-7175-85f2-f7f584edcefe"
    },
    {
      "id": "chg_01a084c1-6f96-75bd-8b42-c22e09386936",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
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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_grounded"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 06:01:04.570707+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a084c1-6f96-75bd-8b42-c22e09386936"
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    {
      "id": "chg_01a084c1-6f97-7073-a3f2-06f8ceb2690c",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "deep_research",
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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": "2026-09-09",
      "occurred_at": "2026-09-09 06:01:04.570707+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a084c1-6f97-7073-a3f2-06f8ceb2690c"
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    {
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      "subject_kind": "server",
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      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 06:01:04.570707+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a084c1-6f97-75b1-a614-b21b9b30247c"
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    {
      "id": "chg_01a07a75-4473-7020-a45c-37e8d040f353",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 06:01:40.56383+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a07a75-4473-7020-a45c-37e8d040f353"
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    {
      "id": "chg_01a07a75-4474-74e8-817c-63864e8f3149",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 06:01:40.56383+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a07a75-4474-74e8-817c-63864e8f3149"
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    {
      "id": "chg_01a07a75-4474-7c30-976f-007c5fb32aaf",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
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      "subject_child": "",
      "from_code": "stability.churn",
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      "from_value": "fail",
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      "materiality": "security",
      "direction": "improvement",
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      "detail": {},
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 06:01:40.56383+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a07a75-4474-7c30-976f-007c5fb32aaf"
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    {
      "id": "chg_01a0754e-7d52-76e8-8af7-9688262a2b29",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.churn",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "30",
        "added": "0",
        "breaks": "0",
        "removed": "32",
        "auth_transport": "0"
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      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 06:01:13.071586+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a0754e-7d52-76e8-8af7-9688262a2b29"
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    {
      "id": "chg_01a0754e-7d54-70c7-8abb-9fb5c9fb7cb7",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
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      "occurred_at": "2026-09-06 06:01:13.071586+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a0754e-7d54-70c7-8abb-9fb5c9fb7cb7"
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    {
      "id": "chg_01a0754e-7d54-7847-b596-4cfa3315789d",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 06:01:13.071586+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a0754e-7d54-7847-b596-4cfa3315789d"
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    {
      "id": "chg_01a07028-4463-73a8-b194-4c3effe8ae57",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
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      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 06:01:21.967688+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a07028-4463-73a8-b194-4c3effe8ae57"
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    {
      "id": "chg_01a07028-4466-706e-8c93-c111e6851c27",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 06:01:21.967688+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a07028-4466-706e-8c93-c111e6851c27"
    },
    {
      "id": "chg_01a07028-4466-7e01-93a4-917cbf396acb",
      "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"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 06:01:21.967688+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a07028-4466-7e01-93a4-917cbf396acb"
    },
    {
      "id": "chg_01a07028-4467-77e9-bd39-c487f08b7948",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 06:01:21.967688+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a07028-4467-77e9-bd39-c487f08b7948"
    },
    {
      "id": "chg_01a07028-4468-766b-a7d4-83cf1cc1fc01",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 06:01:21.967688+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a07028-4468-766b-a7d4-83cf1cc1fc01"
    },
    {
      "id": "chg_01a06b01-bedc-734c-9c41-3863411cf804",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 06:01:11.34648+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a06b01-bedc-734c-9c41-3863411cf804"
    },
    {
      "id": "chg_01a06b01-bedd-7ae5-9630-4705e7457ef5",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 06:01:11.34648+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a06b01-bedd-7ae5-9630-4705e7457ef5"
    },
    {
      "id": "chg_01a06b01-bede-708f-8ebc-462eb3f874ee",
      "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"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 06:01:11.34648+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a06b01-bede-708f-8ebc-462eb3f874ee"
    },
    {
      "id": "chg_01a06b01-bede-759f-bf2a-285483dd7ef7",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 06:01:11.34648+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a06b01-bede-759f-bf2a-285483dd7ef7"
    },
    {
      "id": "chg_01a06b01-bede-79b8-8020-22672cafd2f4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "entity_profile",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "entity_profile"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 06:01:11.34648+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “entity_profile” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a06b01-bede-79b8-8020-22672cafd2f4"
    },
    {
      "id": "chg_01a06b01-bee0-7286-817a-cfe5fbdee4bb",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 06:01:11.34648+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a06b01-bee0-7286-817a-cfe5fbdee4bb"
    },
    {
      "id": "chg_01a065db-6f8d-7ad5-9559-d186454867a4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 06:01:14.727662+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a065db-6f8d-7ad5-9559-d186454867a4"
    },
    {
      "id": "chg_01a065db-6f8e-7803-99dd-7cd3372baa45",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 06:01:14.727662+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a065db-6f8e-7803-99dd-7cd3372baa45"
    },
    {
      "id": "chg_01a065db-6f8e-7dac-84a4-9f8eeacd6351",
      "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"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 06:01:14.727662+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a065db-6f8e-7dac-84a4-9f8eeacd6351"
    },
    {
      "id": "chg_01a065db-6f8f-734e-af8e-82e7da1e4e99",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 06:01:14.727662+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a065db-6f8f-734e-af8e-82e7da1e4e99"
    },
    {
      "id": "chg_01a065db-6f8f-7a25-9241-518191e73200",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_kalshi_spread"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 06:01:14.727662+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a065db-6f8f-7a25-9241-518191e73200"
    },
    {
      "id": "chg_01a065db-6f90-707c-81a5-44486f26e279",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 06:01:14.727662+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a065db-6f90-707c-81a5-44486f26e279"
    },
    {
      "id": "chg_01a060b5-019b-79a8-9338-5c9ecee18130",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 06:01:10.068486+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a060b5-019b-79a8-9338-5c9ecee18130"
    },
    {
      "id": "chg_01a060b5-019e-765c-a818-3c0613c6e0e5",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 06:01:10.068486+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a060b5-019e-765c-a818-3c0613c6e0e5"
    },
    {
      "id": "chg_01a060b5-019e-7bd5-9dee-23e7f3ca8380",
      "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"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 06:01:10.068486+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a060b5-019e-7bd5-9dee-23e7f3ca8380"
    },
    {
      "id": "chg_01a060b5-019f-7193-a8a1-cfe84c160e1d",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 06:01:10.068486+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a060b5-019f-7193-a8a1-cfe84c160e1d"
    },
    {
      "id": "chg_01a060b5-019f-76c5-8cd1-8118c5dc88dc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "resolve_entity",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "resolve_entity"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 06:01:10.068486+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “resolve_entity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a060b5-019f-76c5-8cd1-8118c5dc88dc"
    },
    {
      "id": "chg_01a060b5-01a1-74ab-986b-10c475bf8f73",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 06:01:10.068486+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a060b5-01a1-74ab-986b-10c475bf8f73"
    },
    {
      "id": "chg_01a05b8e-9eb6-7123-bec0-42ccf78222a5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 06:01:08.50415+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a05b8e-9eb6-7123-bec0-42ccf78222a5"
    },
    {
      "id": "chg_01a05b8e-9eb7-704a-8dad-ad8f199dc251",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 06:01:08.50415+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a05b8e-9eb7-704a-8dad-ad8f199dc251"
    },
    {
      "id": "chg_01a05b8e-9eb7-760d-a5e6-26d1e748f590",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
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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_grounded"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 06:01:08.50415+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a05b8e-9eb7-760d-a5e6-26d1e748f590"
    },
    {
      "id": "chg_01a05b8e-9eb7-7aed-8dd8-75dfa830f653",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 06:01:08.50415+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a05b8e-9eb7-7aed-8dd8-75dfa830f653"
    },
    {
      "id": "chg_01a05b8e-9eb8-73a0-866d-032688c482ad",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 06:01:08.50415+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a05b8e-9eb8-73a0-866d-032688c482ad"
    },
    {
      "id": "chg_01a05668-432d-7f15-ad12-2618cc603e0f",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 06:01:08.483334+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a05668-432d-7f15-ad12-2618cc603e0f"
    },
    {
      "id": "chg_01a05668-432f-7c34-9795-2df9f90a06a4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 06:01:08.483334+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a05668-432f-7c34-9795-2df9f90a06a4"
    },
    {
      "id": "chg_01a05668-4330-72f0-b335-766ec469cb32",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 06:01:08.483334+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a05668-4330-72f0-b335-766ec469cb32"
    },
    {
      "id": "chg_01a05668-4330-7ac1-89df-1fc100e7aa4e",
      "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"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 06:01:08.483334+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a05668-4330-7ac1-89df-1fc100e7aa4e"
    },
    {
      "id": "chg_01a05668-4331-7244-8306-7c030d0a9446",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 06:01:08.483334+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a05668-4331-7244-8306-7c030d0a9446"
    },
    {
      "id": "chg_01a05668-4331-77ec-9f7b-bab25a56157c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_kalshi_spread"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 06:01:08.483334+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a05668-4331-77ec-9f7b-bab25a56157c"
    },
    {
      "id": "chg_01a05668-4332-71d0-85cf-8fced1b05bff",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 06:01:08.483334+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a05668-4332-71d0-85cf-8fced1b05bff"
    },
    {
      "id": "chg_01a05142-01ef-7b22-9848-6236b1c6fd85",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 06:01:15.390064+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a05142-01ef-7b22-9848-6236b1c6fd85"
    },
    {
      "id": "chg_01a04c1b-9130-73b6-a309-0f917def6d73",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 06:01:10.11143+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a04c1b-9130-73b6-a309-0f917def6d73"
    },
    {
      "id": "chg_01a04c1b-9131-75a2-b7a3-bafe006da9b7",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 06:01:10.11143+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a04c1b-9131-75a2-b7a3-bafe006da9b7"
    },
    {
      "id": "chg_01a04c1b-9131-7cde-8df3-0e75a4460ecc",
      "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"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 06:01:10.11143+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a04c1b-9131-7cde-8df3-0e75a4460ecc"
    },
    {
      "id": "chg_01a04c1b-9133-7af4-8d72-cfaa1527f44a",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 06:01:10.11143+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a04c1b-9133-7af4-8d72-cfaa1527f44a"
    },
    {
      "id": "chg_01a04c1b-9134-71a9-8f18-daca252082e9",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 06:01:10.11143+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a04c1b-9134-71a9-8f18-daca252082e9"
    },
    {
      "id": "chg_01a046f5-46e0-7638-aacf-fcaa8d0fa9af",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 06:01:14.55219+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a046f5-46e0-7638-aacf-fcaa8d0fa9af"
    },
    {
      "id": "chg_01a041ce-eb2d-7370-bb9c-a2d24f5c127c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "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": "2026-08-27",
      "occurred_at": "2026-08-27 06:01:14.68485+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a041ce-eb2d-7370-bb9c-a2d24f5c127c"
    },
    {
      "id": "chg_01a041ce-eb2e-7646-93fb-28aefe859fe4",
      "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": "2026-08-27",
      "occurred_at": "2026-08-27 06:01:14.68485+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a041ce-eb2e-7646-93fb-28aefe859fe4"
    },
    {
      "id": "chg_01a041ce-eb2e-7bda-bf47-f630b21a414b",
      "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"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 06:01:14.68485+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a041ce-eb2e-7bda-bf47-f630b21a414b"
    },
    {
      "id": "chg_01a041ce-eb2f-78f0-a702-97c766fa2b1e",
      "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": "2026-08-27",
      "occurred_at": "2026-08-27 06:01:14.68485+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a041ce-eb2f-78f0-a702-97c766fa2b1e"
    },
    {
      "id": "chg_01a041ce-eb2f-7e15-a7d1-0592ffef2d6e",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 06:01:14.68485+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a041ce-eb2f-7e15-a7d1-0592ffef2d6e"
    },
    {
      "id": "chg_01a03782-1d47-7b29-9d28-52a61640b09c",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 06:01:09.066434+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a03782-1d47-7b29-9d28-52a61640b09c"
    },
    {
      "id": "chg_01a0325f-fd30-7d2f-a75a-7ce89bbe4774",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 06:05:46.573772+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a0325f-fd30-7d2f-a75a-7ce89bbe4774"
    },
    {
      "id": "chg_01a0325f-fd31-77f0-ab36-0f2422bcf2f9",
      "kind": "check.appeared",
      "family": "auth-registration",
      "subject_kind": "check",
      "subject": "auth-registration",
      "subject_child": "",
      "from_code": null,
      "to_code": "auth.registration_cimd",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 06:05:46.573772+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "First check of Authorization (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a0325f-fd31-77f0-ab36-0f2422bcf2f9"
    },
    {
      "id": "chg_01a02d39-9ecc-7d41-b7e1-5f37458a134f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 06:05:45.985756+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a02d39-9ecc-7d41-b7e1-5f37458a134f"
    },
    {
      "id": "chg_01a02d39-9ecd-7e91-97ad-35e231e68dc5",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 06:05:45.985756+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a02d39-9ecd-7e91-97ad-35e231e68dc5"
    },
    {
      "id": "chg_01a02d39-9ece-7549-b234-6a09755980e0",
      "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"
      },
      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 06:05:45.985756+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a02d39-9ece-7549-b234-6a09755980e0"
    },
    {
      "id": "chg_01a02d39-9ece-7a47-82cc-3d08c779049a",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 06:05:45.985756+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a02d39-9ece-7a47-82cc-3d08c779049a"
    },
    {
      "id": "chg_01a02d39-9ecf-7005-abe8-e759827457be",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 06:05:45.985756+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a02d39-9ecf-7005-abe8-e759827457be"
    },
    {
      "id": "chg_01a02812-d1da-793b-9a65-019b56381c3f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 06:05:16.993356+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a02812-d1da-793b-9a65-019b56381c3f"
    },
    {
      "id": "chg_01a02812-d1dc-70d0-8bb6-b7a4946121ca",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 06:05:16.993356+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a02812-d1dc-70d0-8bb6-b7a4946121ca"
    },
    {
      "id": "chg_01a02812-d1dc-7d8a-be25-e8a04bd2d6b7",
      "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"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 06:05:16.993356+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a02812-d1dc-7d8a-be25-e8a04bd2d6b7"
    },
    {
      "id": "chg_01a02812-d1dd-798f-827a-64dd69bc1369",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 06:05:16.993356+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a02812-d1dd-798f-827a-64dd69bc1369"
    },
    {
      "id": "chg_01a02812-d1de-7233-8108-6171a919a7dd",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 06:05:16.993356+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a02812-d1de-7233-8108-6171a919a7dd"
    },
    {
      "id": "chg_01a022ec-b02a-70c0-a184-0e0d9bb53bd0",
      "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"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 06:05:31.898049+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a022ec-b02a-70c0-a184-0e0d9bb53bd0"
    },
    {
      "id": "chg_01a022ec-b02d-7936-8007-eedc8ae0b858",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "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": "2026-08-21",
      "occurred_at": "2026-08-21 06:05:31.898049+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a022ec-b02d-7936-8007-eedc8ae0b858"
    },
    {
      "id": "chg_01a022ec-b02e-753c-bc9c-b2a8d6d20be2",
      "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": "2026-08-21",
      "occurred_at": "2026-08-21 06:05:31.898049+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a022ec-b02e-753c-bc9c-b2a8d6d20be2"
    },
    {
      "id": "chg_01a022ec-b02f-757c-a15c-913d4fab0713",
      "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"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 06:05:31.898049+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a022ec-b02f-757c-a15c-913d4fab0713"
    },
    {
      "id": "chg_01a022ec-b02f-7c66-9acf-3fb83da54f8f",
      "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": "2026-08-21",
      "occurred_at": "2026-08-21 06:05:31.898049+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a022ec-b02f-7c66-9acf-3fb83da54f8f"
    },
    {
      "id": "chg_01a022ec-b030-76a9-9785-89bb10ecf3f9",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 06:05:31.898049+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a022ec-b030-76a9-9785-89bb10ecf3f9"
    },
    {
      "id": "chg_01a01dc6-4bb4-747e-ab1b-86390823536f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "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": "2026-08-20",
      "occurred_at": "2026-08-20 06:05:29.7979+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a01dc6-4bb4-747e-ab1b-86390823536f"
    },
    {
      "id": "chg_01a01dc6-4bb5-7aaa-83f5-cb50e0808e12",
      "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": "2026-08-20",
      "occurred_at": "2026-08-20 06:05:29.7979+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a01dc6-4bb5-7aaa-83f5-cb50e0808e12"
    },
    {
      "id": "chg_01a01dc6-4bb6-716d-9cf6-9873784af651",
      "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"
      },
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 06:05:29.7979+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a01dc6-4bb6-716d-9cf6-9873784af651"
    },
    {
      "id": "chg_01a01dc6-4bb6-7934-9d11-5bc436bbeac9",
      "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": "2026-08-20",
      "occurred_at": "2026-08-20 06:05:29.7979+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a01dc6-4bb6-7934-9d11-5bc436bbeac9"
    },
    {
      "id": "chg_01a01dc6-4bb7-700c-ba58-60a8df5ab60a",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 06:05:29.7979+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a01dc6-4bb7-700c-ba58-60a8df5ab60a"
    },
    {
      "id": "chg_01a0189f-bde5-7564-971b-e4e3b288eb30",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "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": "2026-08-19",
      "occurred_at": "2026-08-19 06:05:17.043093+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a0189f-bde5-7564-971b-e4e3b288eb30"
    },
    {
      "id": "chg_01a0189f-bde6-717b-bbb1-ba030f83940e",
      "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": "2026-08-19",
      "occurred_at": "2026-08-19 06:05:17.043093+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a0189f-bde6-717b-bbb1-ba030f83940e"
    },
    {
      "id": "chg_01a0189f-bde6-7713-ada9-e80368aba466",
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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_grounded"
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      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 06:05:17.043093+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a0189f-bde6-7713-ada9-e80368aba466"
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    {
      "id": "chg_01a0189f-bde7-74e7-b8c6-c9c36a8a5719",
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      "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"
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      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 06:05:17.043093+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a0189f-bde7-74e7-b8c6-c9c36a8a5719"
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    {
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 06:05:17.043093+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a0189f-bde7-7ddd-9060-d2dd42bf2c9e"
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    {
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      "occurred_at": "2026-08-18 06:05:16.918711+00",
      "observed_since": "2026-08-17",
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      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a01379-6174-7cc9-815b-531ff4945c02"
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    {
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      "materiality": "security",
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      "occurred_at": "2026-08-18 06:05:16.918711+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a01379-6176-74bc-9bb9-253e2ba6050a"
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    {
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      "from_value": null,
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-18",
      "occurred_at": "2026-08-18 06:05:16.918711+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-duffel/duffel-mcp#chg-chg_01a01379-6176-7f3d-9b9f-223c6057656c"
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