{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "mcp-dir-nubank-mcp",
  "component": "p-nubank",
  "generated_at": "2026-09-27T23:13:15.938Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 38,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0c2d3-1456-7756-a5ac-ad40e0126512",
      "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": "2026-09-21",
      "occurred_at": "2026-09-21 07:16:47.92243+00",
      "observed_since": "2026-09-20",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a0c2d3-1456-7756-a5ac-ad40e0126512"
    },
    {
      "id": "chg_01a09ebb-8d4d-7f04-9653-d68bbf7da286",
      "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": "2026-09-14",
      "occurred_at": "2026-09-14 07:04:46.362775+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a09ebb-8d4d-7f04-9653-d68bbf7da286"
    },
    {
      "id": "chg_01a08a22-1df7-7814-a139-294c058a3979",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 07:04:46.626659+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a08a22-1df7-7814-a139-294c058a3979"
    },
    {
      "id": "chg_01a084fb-7400-7186-ae24-2895ba8ed883",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 07:04:26.73496+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/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a084fb-7400-7186-ae24-2895ba8ed883"
    },
    {
      "id": "chg_01a07aae-4079-7bb1-bce1-00d43337068a",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 07:03:55.090051+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a07aae-4079-7bb1-bce1-00d43337068a"
    },
    {
      "id": "chg_01a07587-c01f-7536-b07b-a48fa8516b72",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 07:03:45.876386+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a07587-c01f-7536-b07b-a48fa8516b72"
    },
    {
      "id": "chg_01a07061-3f0c-7248-909d-201dbce5a6c4",
      "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 07:03:36.096533+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/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a07061-3f0c-7248-909d-201dbce5a6c4"
    },
    {
      "id": "chg_01a06613-ed08-72dc-b03b-ef7d9a114153",
      "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 07:02:56.83851+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/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a06613-ed08-72dc-b03b-ef7d9a114153"
    },
    {
      "id": "chg_01a060ed-cf7c-7570-aba7-9e5af2298e0b",
      "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 07:03:12.871701+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/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a060ed-cf7c-7570-aba7-9e5af2298e0b"
    },
    {
      "id": "chg_01a05bc7-6536-7c19-9615-ac36aced6718",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_markers",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "openfinance_list_accounts",
        "count": "1",
        "field": "tool_description",
        "quote": "do NOT tell the user",
        "marker": "concealment",
        "offset": "1794",
        "markers": "concealment"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 07:03:09.329305+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Injection markers (unverified → fail)",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a05bc7-6536-7c19-9615-ac36aced6718"
    },
    {
      "id": "chg_01a05bc7-6538-71b5-908b-1488c8e1d463",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.churn",
      "to_code": "stability.stable",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 07:03:09.329305+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a05bc7-6538-71b5-908b-1488c8e1d463"
    },
    {
      "id": "chg_01a05bc7-6538-78ee-864c-80a411165bf3",
      "kind": "check.appeared",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": null,
      "to_code": "toolsafety.manipulation_clean",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "units": "26",
        "judged": "26"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 07:03:09.329305+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "First check of Judged manipulation (pass)",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a05bc7-6538-78ee-864c-80a411165bf3"
    },
    {
      "id": "chg_01a05bc7-6538-7e60-96cf-1660b904f78f",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_destructive_unverified",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "openfinance_disconnect_bank"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 07:03:09.329305+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: this server exposes a tool marked destructive (openfinance_disconnect_bank) and its handshake is open, but we could not confirm whether a tool call is gated, so we do not assert it is callable unauthenticated.)",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a05bc7-6538-7e60-96cf-1660b904f78f"
    },
    {
      "id": "chg_01a02848-2b8b-7a86-acfc-1c92bb5180c0",
      "kind": "check.reverified",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.churn",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "27",
        "added": "0",
        "breaks": "0",
        "removed": "25",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 07:03:33.368925+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Stability (unverified → fail)",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a02848-2b8b-7a86-acfc-1c92bb5180c0"
    },
    {
      "id": "chg_01a02321-ce28-7e25-96b4-8de5c03e5821",
      "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": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 07:03:33.038214+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a02321-ce28-7e25-96b4-8de5c03e5821"
    },
    {
      "id": "chg_01a02321-ce29-7bda-b0d2-53421737e251",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.83",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 07:03:33.038214+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Stability (0.83 → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a02321-ce29-7bda-b0d2-53421737e251"
    },
    {
      "id": "chg_01a02321-ce2b-72a4-83b9-d2937636f27e",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "not_mcp",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "not_mcp",
        "from": "verified"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 07:03:33.038214+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a02321-ce2b-72a4-83b9-d2937636f27e"
    },
    {
      "id": "chg_01a01dfc-69b4-7c81-a3a9-f46eb98a4131",
      "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 07:04:36.414658+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/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a01dfc-69b4-7c81-a3a9-f46eb98a4131"
    },
    {
      "id": "chg_01a018d5-8f98-76ae-a356-3854a7d3b0d5",
      "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": "2026-08-19",
      "occurred_at": "2026-08-19 07:04:04.130399+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/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a018d5-8f98-76ae-a356-3854a7d3b0d5"
    },
    {
      "id": "chg_01a013af-3148-702a-a7d2-a2043d0149c8",
      "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": "2026-08-18",
      "occurred_at": "2026-08-18 07:04:03.525123+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a013af-3148-702a-a7d2-a2043d0149c8"
    },
    {
      "id": "chg_01a00e88-cf76-7cf1-8c86-0124c43c69a5",
      "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": "2026-08-17",
      "occurred_at": "2026-08-17 07:04:02.015873+00",
      "observed_since": "2026-08-16",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a00e88-cf76-7cf1-8c86-0124c43c69a5"
    },
    {
      "id": "chg_01a00962-7eec-7060-9a69-31a7c3d5c8cb",
      "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": "2026-08-16",
      "occurred_at": "2026-08-16 07:04:04.945918+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a00962-7eec-7060-9a69-31a7c3d5c8cb"
    },
    {
      "id": "chg_01a0043c-11b1-7295-bf63-546659ba5b8b",
      "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": "2026-08-15",
      "occurred_at": "2026-08-15 07:04:00.652227+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_01a0043c-11b1-7295-bf63-546659ba5b8b"
    },
    {
      "id": "chg_019fff15-a26b-76e6-8c30-b280511044fd",
      "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": "2026-08-14",
      "occurred_at": "2026-08-14 07:03:55.596858+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_019fff15-a26b-76e6-8c30-b280511044fd"
    },
    {
      "id": "chg_019ff9ef-846c-7856-b4ec-d02032eedca6",
      "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": "2026-08-13",
      "occurred_at": "2026-08-13 07:04:11.570851+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_019ff9ef-846c-7856-b4ec-d02032eedca6"
    },
    {
      "id": "chg_019ff4c8-e63c-7a26-ae64-2738324ad695",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "toolkit_info",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "toolkit_info"
      },
      "occurred_on": "2026-08-12",
      "occurred_at": "2026-08-12 07:03:54.664941+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "Tool “toolkit_info” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_019ff4c8-e63c-7a26-ae64-2738324ad695"
    },
    {
      "id": "chg_019ff4c8-e63e-7cab-9b3d-f9b6d6c1cf9f",
      "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": "2026-08-12",
      "occurred_at": "2026-08-12 07:03:54.664941+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_019ff4c8-e63e-7cab-9b3d-f9b6d6c1cf9f"
    },
    {
      "id": "chg_019fea7c-1f0c-7706-b2de-dbf29c980213",
      "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": "2026-08-10",
      "occurred_at": "2026-08-10 07:03:50.722489+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_019fea7c-1f0c-7706-b2de-dbf29c980213"
    },
    {
      "id": "chg_019fe555-bbdb-7b47-8af7-55449ee43506",
      "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": "2026-08-09",
      "occurred_at": "2026-08-09 07:03:48.918069+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_019fe555-bbdb-7b47-8af7-55449ee43506"
    },
    {
      "id": "chg_019fe02f-5229-7c48-b1c9-af1264a6002d",
      "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": "2026-08-08",
      "occurred_at": "2026-08-08 07:03:45.428579+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_019fe02f-5229-7c48-b1c9-af1264a6002d"
    },
    {
      "id": "chg_019fdb08-d55b-765f-8fb7-dff48b86836e",
      "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": "2026-08-07",
      "occurred_at": "2026-08-07 07:03:37.022588+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_019fdb08-d55b-765f-8fb7-dff48b86836e"
    },
    {
      "id": "chg_019fd0bb-e3f6-78e5-ac9a-1013f40bd9fa",
      "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": "2026-08-05",
      "occurred_at": "2026-08-05 07:03:22.291463+00",
      "observed_since": "2026-08-04",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_019fd0bb-e3f6-78e5-ac9a-1013f40bd9fa"
    },
    {
      "id": "chg_019fc66e-16ec-74a0-b6a3-de8b411b1001",
      "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": "2026-08-03",
      "occurred_at": "2026-08-03 07:02:11.421109+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/mcp-dir-nubank-mcp/p-nubank#chg-chg_019fc66e-16ec-74a0-b6a3-de8b411b1001"
    },
    {
      "id": "chg_019fc149-ea3d-7a37-9d2b-f0fb7abbe743",
      "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": "2026-08-02",
      "occurred_at": "2026-08-02 07:04:34.607444+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/mcp-dir-nubank-mcp/p-nubank#chg-chg_019fc149-ea3d-7a37-9d2b-f0fb7abbe743"
    },
    {
      "id": "chg_019fbc23-1b47-7819-964e-2ff5dbcd83f3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "marketplace",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "marketplace"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 07:04:05.171173+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “marketplace” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_019fbc23-1b47-7819-964e-2ff5dbcd83f3"
    },
    {
      "id": "chg_019fbc23-1b48-7da2-bc2c-5c3397f5c2b7",
      "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": "2026-08-01",
      "occurred_at": "2026-08-01 07:04:05.171173+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-nubank-mcp/p-nubank#chg-chg_019fbc23-1b48-7da2-bc2c-5c3397f5c2b7"
    },
    {
      "id": "chg_019faf2b-b7ee-708f-b9e1-191da71d678c",
      "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": "2026-07-29",
      "occurred_at": "2026-07-29 18:38:25.748012+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/mcp-dir-nubank-mcp/p-nubank#chg-chg_019faf2b-b7ee-708f-b9e1-191da71d678c"
    },
    {
      "id": "chg_019fa9b3-044a-7bd3-9130-639a72b6220a",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 17:08:29.377096+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/mcp-dir-nubank-mcp/p-nubank#chg-chg_019fa9b3-044a-7bd3-9130-639a72b6220a"
    }
  ],
  "days": [
    {
      "date": "2026-09-27",
      "total": 64,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 83,
        "to": 87,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 25,
          "to_days": 26
        },
        "partial": false,
        "compared_to": "2026-09-26",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 83 to 87. That category is still filling its 30-day observation window: 25 days of observed history at the previous scan, 26 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-25",
      "total": 63,
      "delta": -3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-21",
      "total": 66,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-20",
      "total": 65,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-14",
      "total": 66,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-10",
      "total": 66,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-09",
      "total": 66,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-07",
      "total": 66,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    }
  ]
}