{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "baronsigma-factrail",
  "component": "mcp",
  "generated_at": "2026-11-05T06:37:07.363Z",
  "tracking_since": "2026-09-24",
  "counts": {
    "critical": 0,
    "security": 19,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a1774b-92c5-7086-9790-d65dc322f3f1",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.insufficient_history",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 08:20:03.807967+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "Stability (pass → unverified)",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a1774b-92c5-7086-9790-d65dc322f3f1"
    },
    {
      "id": "chg_01a1774b-92c7-7335-9643-26fbda844769",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.http_error",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "502",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 08:20:03.807967+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a1774b-92c7-7335-9643-26fbda844769"
    },
    {
      "id": "chg_01a1774b-92c7-7a46-8856-f67eda3df467",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_no_destructive",
      "to_code": "auth.unreachable",
      "from_value": "partial",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-26",
      "occurred_at": "2026-10-26 08:20:03.807967+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a1774b-92c7-7a46-8856-f67eda3df467"
    },
    {
      "id": "chg_01a1774b-92c9-72bc-af3e-24864269ed22",
      "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": "2026-10-26",
      "occurred_at": "2026-10-26 08:20:03.807967+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a1774b-92c9-72bc-af3e-24864269ed22"
    },
    {
      "id": "chg_01a1774b-92cd-7c1d-b068-e990d8fcad44",
      "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": "2026-10-26",
      "occurred_at": "2026-10-26 08:20:03.807967+00",
      "observed_since": "2026-10-25",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a1774b-92cd-7c1d-b068-e990d8fcad44"
    },
    {
      "id": "chg_01a16d00-6633-7dd8-bdc3-ee69dcdebfc4",
      "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": "2026-10-24",
      "occurred_at": "2026-10-24 08:21:45.116719+00",
      "observed_since": "2026-10-23",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a16d00-6633-7dd8-bdc3-ee69dcdebfc4"
    },
    {
      "id": "chg_01a0ec05-4898-71ca-a623-c0f409742c53",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "analyze_company",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "analyze_company"
      },
      "occurred_on": "2026-09-29",
      "occurred_at": "2026-09-29 07:16:04.112853+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Tool “analyze_company” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a0ec05-4898-71ca-a623-c0f409742c53"
    },
    {
      "id": "chg_01a0ec05-4899-7106-82e4-76f7ccb101f7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "assess_import",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "assess_import"
      },
      "occurred_on": "2026-09-29",
      "occurred_at": "2026-09-29 07:16:04.112853+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Tool “assess_import” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a0ec05-4899-7106-82e4-76f7ccb101f7"
    },
    {
      "id": "chg_01a0ec05-4899-79ac-b2a8-4323c631c97a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "factrail_assess",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "factrail_assess"
      },
      "occurred_on": "2026-09-29",
      "occurred_at": "2026-09-29 07:16:04.112853+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Tool “factrail_assess” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a0ec05-4899-79ac-b2a8-4323c631c97a"
    },
    {
      "id": "chg_01a0ec05-489a-7534-9807-e8d62b18fb7c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "factrail_capabilities",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "factrail_capabilities"
      },
      "occurred_on": "2026-09-29",
      "occurred_at": "2026-09-29 07:16:04.112853+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Tool “factrail_capabilities” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a0ec05-489a-7534-9807-e8d62b18fb7c"
    },
    {
      "id": "chg_01a0ec05-489b-719f-ae05-22f6b4601f49",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "factrail_get_receipt",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "factrail_get_receipt"
      },
      "occurred_on": "2026-09-29",
      "occurred_at": "2026-09-29 07:16:04.112853+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Tool “factrail_get_receipt” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a0ec05-489b-719f-ae05-22f6b4601f49"
    },
    {
      "id": "chg_01a0ec05-489b-7d3f-b5eb-e2dd1c56d893",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "factrail_verify",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "factrail_verify"
      },
      "occurred_on": "2026-09-29",
      "occurred_at": "2026-09-29 07:16:04.112853+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Tool “factrail_verify” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a0ec05-489b-7d3f-b5eb-e2dd1c56d893"
    },
    {
      "id": "chg_01a0ec05-489d-701d-9df2-6242da313968",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "verify_french_company",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "verify_french_company"
      },
      "occurred_on": "2026-09-29",
      "occurred_at": "2026-09-29 07:16:04.112853+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Tool “verify_french_company” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a0ec05-489d-701d-9df2-6242da313968"
    },
    {
      "id": "chg_01a0ea08-82e2-72c6-a232-201db0d179d6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "analyze_company",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "analyze_company"
      },
      "occurred_on": "2026-09-28",
      "occurred_at": "2026-09-28 22:00:17.563428+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Tool “analyze_company” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a0ea08-82e2-72c6-a232-201db0d179d6"
    },
    {
      "id": "chg_01a0ea08-82f2-79f2-8024-ed994eca96cd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "assess_import",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "assess_import"
      },
      "occurred_on": "2026-09-28",
      "occurred_at": "2026-09-28 22:00:17.563428+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Tool “assess_import” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a0ea08-82f2-79f2-8024-ed994eca96cd"
    },
    {
      "id": "chg_01a0ea08-82fb-7122-812d-94398765f5a7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "factrail_assess",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "factrail_assess"
      },
      "occurred_on": "2026-09-28",
      "occurred_at": "2026-09-28 22:00:17.563428+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Tool “factrail_assess” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a0ea08-82fb-7122-812d-94398765f5a7"
    },
    {
      "id": "chg_01a0ea08-82fb-7b7a-949d-add1e983fb28",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "factrail_get_receipt",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "factrail_get_receipt"
      },
      "occurred_on": "2026-09-28",
      "occurred_at": "2026-09-28 22:00:17.563428+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Tool “factrail_get_receipt” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a0ea08-82fb-7b7a-949d-add1e983fb28"
    },
    {
      "id": "chg_01a0ea08-82fc-78b9-ab08-4ca0a51b8ad5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "factrail_verify",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "factrail_verify"
      },
      "occurred_on": "2026-09-28",
      "occurred_at": "2026-09-28 22:00:17.563428+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Tool “factrail_verify” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a0ea08-82fc-78b9-ab08-4ca0a51b8ad5"
    },
    {
      "id": "chg_01a0ea08-82fe-756a-a6af-447d627342b3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "verify_french_company",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "verify_french_company"
      },
      "occurred_on": "2026-09-28",
      "occurred_at": "2026-09-28 22:00:17.563428+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Tool “verify_french_company” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/baronsigma-factrail/mcp#chg-chg_01a0ea08-82fe-756a-a6af-447d627342b3"
    }
  ],
  "days": [
    {
      "date": "2026-10-26",
      "total": 18,
      "delta": -62,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-10-24",
      "total": 80,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-23",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 93,
        "to": 97,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 28,
          "to_days": 29
        },
        "partial": false,
        "compared_to": "2026-10-22",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-20",
      "total": 79,
      "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": "2026-10-19",
        "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": "2026-10-18",
      "total": 78,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 77,
        "to": 80,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 23,
          "to_days": 24
        },
        "partial": false,
        "compared_to": "2026-10-17",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 77 to 80. That category is still filling its 30-day observation window: 23 days of observed history at the previous scan, 24 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-16",
      "total": 77,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 70,
        "to": 73,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 21,
          "to_days": 22
        },
        "partial": false,
        "compared_to": "2026-10-15",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 70 to 73. That category is still filling its 30-day observation window: 21 days of observed history at the previous scan, 22 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-14",
      "total": 76,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 63,
        "to": 67,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 19,
          "to_days": 20
        },
        "partial": false,
        "compared_to": "2026-10-13",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 63 to 67. That category is still filling its 30-day observation window: 19 days of observed history at the previous scan, 20 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-12",
      "total": 75,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 53,
        "to": 60,
        "delta": 7,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 16,
          "to_days": 18
        },
        "partial": false,
        "compared_to": "2026-10-10",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 53 to 60. That category is still filling its 30-day observation window: 16 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
    }
  ]
}