{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "yusong652-itasca-mcp",
  "component": "itasca-mcp",
  "generated_at": "2026-09-21T02:18:27.170Z",
  "tracking_since": "2026-08-05",
  "counts": {
    "critical": 0,
    "security": 19,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0ba9c-949b-7e29-b4e3-944439336d06",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "0.80",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 17:00:18.905627+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Stability (0.80 → unverified)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_01a0ba9c-949b-7e29-b4e3-944439336d06"
    },
    {
      "id": "chg_01a0ba9c-949d-7772-9470-8818dca48363",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.sandbox_pending",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 17:00:18.905627+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_01a0ba9c-949d-7772-9470-8818dca48363"
    },
    {
      "id": "chg_01a0ae9e-f1a0-74c6-8065-f539d643174b",
      "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": "2026-09-17",
      "occurred_at": "2026-09-17 09:07:26.924927+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_01a0ae9e-f1a0-74c6-8065-f539d643174b"
    },
    {
      "id": "chg_01a0ab97-6c2c-7857-8325-32dc2b385de2",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.sandbox_pending",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 19:00:21.855316+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Stability (pass → unverified)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_01a0ab97-6c2c-7857-8325-32dc2b385de2"
    },
    {
      "id": "chg_01a0ab97-6c2f-7510-86b4-66a73058590a",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.sandbox_pending",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 19:00:21.855316+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_01a0ab97-6c2f-7510-86b4-66a73058590a"
    },
    {
      "id": "chg_01a0a452-1884-733b-bfaa-e31b1592ef21",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-15",
      "occurred_at": "2026-09-15 09:07:18.687456+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_01a0a452-1884-733b-bfaa-e31b1592ef21"
    },
    {
      "id": "chg_01a0a452-1886-7316-ac21-2c6f2ca9ca22",
      "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": "2026-09-15",
      "occurred_at": "2026-09-15 09:07:18.687456+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_01a0a452-1886-7316-ac21-2c6f2ca9ca22"
    },
    {
      "id": "chg_01a09fce-4504-7b39-808b-c132b555342a",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "vendor_no_verdict"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 12:04:50.169992+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_01a09fce-4504-7b39-808b-c132b555342a"
    },
    {
      "id": "chg_01a08044-dc26-7284-b0ed-61f63ac4051a",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 09:06:31.277104+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_01a08044-dc26-7284-b0ed-61f63ac4051a"
    },
    {
      "id": "chg_01a070d1-468a-7cca-bc5a-3a388fab04d5",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 09:05:58.068053+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_01a070d1-468a-7cca-bc5a-3a388fab04d5"
    },
    {
      "id": "chg_01a023c9-9c7c-73a9-954b-fa6e04a9a895",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 10:06:50.269443+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_01a023c9-9c7c-73a9-954b-fa6e04a9a895"
    },
    {
      "id": "chg_01a01945-8817-7e4e-baa1-57143b048388",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "vendor_no_verdict"
      },
      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 09:06:21.914135+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_01a01945-8817-7e4e-baa1-57143b048388"
    },
    {
      "id": "chg_01a01563-2bf2-7a7a-befb-0e8c9fa0cd12",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-18",
      "occurred_at": "2026-08-18 15:00:15.941649+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_01a01563-2bf2-7a7a-befb-0e8c9fa0cd12"
    },
    {
      "id": "chg_019ffa5a-76fb-7a21-92e9-616d4ee9d80f",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "vendor_no_verdict"
      },
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 09:01:00.507078+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_019ffa5a-76fb-7a21-92e9-616d4ee9d80f"
    },
    {
      "id": "chg_019ff561-eda5-7332-af18-ecf06762c4e3",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-12",
      "occurred_at": "2026-08-12 09:51:03.557488+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_019ff561-eda5-7332-af18-ecf06762c4e3"
    },
    {
      "id": "chg_019feae7-302b-758e-afb4-4e470dce05de",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "vendor_no_verdict"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 09:00:47.38953+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_019feae7-302b-758e-afb4-4e470dce05de"
    },
    {
      "id": "chg_019fe5c1-644a-7d16-922a-f50f39a55495",
      "kind": "check.reverified",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
      "to_code": "supplychain.malware_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 09:01:24.409655+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_019fe5c1-644a-7d16-922a-f50f39a55495"
    },
    {
      "id": "chg_019fdb74-b314-712c-b83e-44bd777ce491",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "vendor_no_verdict"
      },
      "occurred_on": "2026-08-07",
      "occurred_at": "2026-08-07 09:01:26.147477+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_019fdb74-b314-712c-b83e-44bd777ce491"
    },
    {
      "id": "chg_019fd5be-70f4-701d-8eea-fc371caa5146",
      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.sandbox_pending",
      "to_code": "stability.insufficient_history",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 06:24:15.559375+00",
      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: not enough scan history yet (needs a 30-day window).)",
      "link": "https://verifymcp.io/servers/yusong652-itasca-mcp/itasca-mcp#chg-chg_019fd5be-70f4-701d-8eea-fc371caa5146"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "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": "2026-09-19",
        "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": "2026-09-19",
      "total": 78,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-09-18",
      "total": 78,
      "delta": -3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-17",
      "total": 81,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-16",
      "total": 80,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-09-15",
      "total": 80,
      "delta": 15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-14",
      "total": 65,
      "delta": -15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-13",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 90,
        "to": 93,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 27,
          "to_days": 28
        },
        "partial": false,
        "compared_to": "2026-09-12",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 90 to 93. That category is still filling its 30-day observation window: 27 days of observed history at the previous scan, 28 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}