{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "snefhew-factline-nl",
  "component": "mcp-nl",
  "generated_at": "2026-11-05T13:33:00.649Z",
  "tracking_since": "2026-10-12",
  "counts": {
    "critical": 0,
    "security": 15,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a18f82-c246-741d-9abf-ed691d62fd15",
      "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": "2026-10-31",
      "occurred_at": "2026-10-31 01:11:13.680057+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#chg-chg_01a18f82-c246-741d-9abf-ed691d62fd15"
    },
    {
      "id": "chg_01a17a03-a548-7689-a970-9db10a437baf",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "nl_address_batch",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "nl_address_batch"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 21:00:21.590282+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “nl_address_batch” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#chg-chg_01a17a03-a548-7689-a970-9db10a437baf"
    },
    {
      "id": "chg_01a17a03-a54a-7b70-a358-65260cbaeefb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "nl_address_lookup",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "nl_address_lookup"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 21:00:21.590282+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “nl_address_lookup” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#chg-chg_01a17a03-a54a-7b70-a358-65260cbaeefb"
    },
    {
      "id": "chg_01a17a03-a54b-7b3e-8a6f-2cba72424d11",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "nl_address_reverse",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "nl_address_reverse"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 21:00:21.590282+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “nl_address_reverse” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#chg-chg_01a17a03-a54b-7b3e-8a6f-2cba72424d11"
    },
    {
      "id": "chg_01a17a03-a54c-7446-ae96-8bc4a079ce23",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "nl_crime",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "nl_crime"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 21:00:21.590282+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “nl_crime” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#chg-chg_01a17a03-a54c-7446-ae96-8bc4a079ce23"
    },
    {
      "id": "chg_01a17a03-a54d-7102-bce8-06e74b02efe8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "nl_energy_label",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "nl_energy_label"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 21:00:21.590282+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “nl_energy_label” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#chg-chg_01a17a03-a54d-7102-bce8-06e74b02efe8"
    },
    {
      "id": "chg_01a17a03-a54d-78d0-a45c-f37841362001",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "nl_flood_risk",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "nl_flood_risk"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 21:00:21.590282+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “nl_flood_risk” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#chg-chg_01a17a03-a54d-78d0-a45c-f37841362001"
    },
    {
      "id": "chg_01a17a03-a54e-7703-8363-72ce46b339fd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "nl_home_compare",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "nl_home_compare"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 21:00:21.590282+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “nl_home_compare” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#chg-chg_01a17a03-a54e-7703-8363-72ce46b339fd"
    },
    {
      "id": "chg_01a17a03-a54e-7e9c-8e67-d9f5d4894d37",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "nl_home_report",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "nl_home_report"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 21:00:21.590282+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “nl_home_report” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#chg-chg_01a17a03-a54e-7e9c-8e67-d9f5d4894d37"
    },
    {
      "id": "chg_01a17a03-a551-7255-a3ff-f01fe5414a09",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "nl_house_prices",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "nl_house_prices"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 21:00:21.590282+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “nl_house_prices” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#chg-chg_01a17a03-a551-7255-a3ff-f01fe5414a09"
    },
    {
      "id": "chg_01a17a03-a551-7aeb-8900-458384c5743b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "nl_neighbourhood",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "nl_neighbourhood"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 21:00:21.590282+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “nl_neighbourhood” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#chg-chg_01a17a03-a551-7aeb-8900-458384c5743b"
    },
    {
      "id": "chg_01a17a03-a552-7390-b440-f2c52dbb2c14",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "nl_postcode_addresses",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "nl_postcode_addresses"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 21:00:21.590282+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “nl_postcode_addresses” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#chg-chg_01a17a03-a552-7390-b440-f2c52dbb2c14"
    },
    {
      "id": "chg_01a17a03-a552-7cf0-8b0c-59604b9d6875",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "nl_rent_check",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "nl_rent_check"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 21:00:21.590282+00",
      "observed_since": "2026-10-26",
      "source": "scan",
      "summary": "Tool “nl_rent_check” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#chg-chg_01a17a03-a552-7cf0-8b0c-59604b9d6875"
    },
    {
      "id": "chg_01a15bfc-abf3-796b-b4de-2ad5d344047b",
      "kind": "check.verdict",
      "family": "dnssec",
      "subject_kind": "check",
      "subject": "dnssec",
      "subject_child": "",
      "from_code": "dnssec.absent",
      "to_code": "dnssec.validated",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-21",
      "occurred_at": "2026-10-21 01:04:08.16102+00",
      "observed_since": "2026-10-20",
      "source": "scan",
      "summary": "DNSSEC (fail → pass)",
      "link": "https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#chg-chg_01a15bfc-abf3-796b-b4de-2ad5d344047b"
    },
    {
      "id": "chg_01a15bfc-abf4-7b1e-b581-225c6e5a3223",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_absent",
      "to_code": "headers.hsts_present",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-21",
      "occurred_at": "2026-10-21 01:04:08.16102+00",
      "observed_since": "2026-10-20",
      "source": "scan",
      "summary": "HSTS header (fail → pass)",
      "link": "https://verifymcp.io/servers/snefhew-factline-nl/mcp-nl#chg-chg_01a15bfc-abf4-7b1e-b581-225c6e5a3223"
    }
  ],
  "days": [
    {
      "date": "2026-11-04",
      "total": 87,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 73,
        "to": 77,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 22,
          "to_days": 23
        },
        "partial": false,
        "compared_to": "2026-11-03",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 73 to 77. That category is still filling its 30-day observation window: 22 days of observed history at the previous scan, 23 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-11-03",
      "total": 86,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-11-02",
      "total": 86,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-11-01",
      "total": 85,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-10-31",
      "total": 85,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 15
    },
    {
      "date": "2026-10-30",
      "total": 85,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 57,
        "to": 60,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 17,
          "to_days": 18
        },
        "partial": false,
        "compared_to": "2026-10-29",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 57 to 60. That category is still filling its 30-day observation window: 17 days of observed history at the previous scan, 18 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-29",
      "total": 84,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-28",
      "total": 84,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    }
  ]
}