{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "the-40-thieves-codecalc",
  "component": "codecalc",
  "generated_at": "2026-11-06T17:20:49.670Z",
  "tracking_since": "2026-08-20",
  "counts": {
    "critical": 0,
    "security": 21,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a1b087-c495-7d82-879a-66bfc2af489b",
      "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": "2026-11-06",
      "occurred_at": "2026-11-06 11:04:10.065797+00",
      "observed_since": "2026-11-05",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a1b087-c495-7d82-879a-66bfc2af489b"
    },
    {
      "id": "chg_01a1aac7-26fa-756f-96e8-cebae92ce37e",
      "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": "2026-11-05",
      "occurred_at": "2026-11-05 08:15:40.753176+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a1aac7-26fa-756f-96e8-cebae92ce37e"
    },
    {
      "id": "chg_01a1a114-1805-7717-a6b4-eb5d1ecae722",
      "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": "2026-11-03",
      "occurred_at": "2026-11-03 11:03:31.027065+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a1a114-1805-7717-a6b4-eb5d1ecae722"
    },
    {
      "id": "chg_01a1913a-db03-73af-a5ae-e63669bbd2b6",
      "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": "2026-10-31",
      "occurred_at": "2026-10-31 09:11:55.861569+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a1913a-db03-73af-a5ae-e63669bbd2b6"
    },
    {
      "id": "chg_01a18c79-198e-7728-91b4-8c6a5a51dcc2",
      "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": "2026-10-30",
      "occurred_at": "2026-10-30 11:01:49.026723+00",
      "observed_since": "2026-10-29",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a18c79-198e-7728-91b4-8c6a5a51dcc2"
    },
    {
      "id": "chg_01a143d2-b96a-7bb6-a1fe-62ea7eecbea8",
      "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": "2026-10-16",
      "occurred_at": "2026-10-16 08:27:25.746794+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a143d2-b96a-7bb6-a1fe-62ea7eecbea8"
    },
    {
      "id": "chg_01a1417d-a0d6-7831-93be-ac215b52f850",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.sandbox_failed",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-15",
      "occurred_at": "2026-10-15 21:35:14.552901+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a1417d-a0d6-7831-93be-ac215b52f850"
    },
    {
      "id": "chg_01a13187-7854-7250-8d21-9e4c9085e927",
      "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_failed",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "startup_failure",
        "status": "unreachable"
      },
      "occurred_on": "2026-10-12",
      "occurred_at": "2026-10-12 19:12:04.143978+00",
      "observed_since": "2026-10-06",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a13187-7854-7250-8d21-9e4c9085e927"
    },
    {
      "id": "chg_01a13187-7855-74e9-b375-84ff1be887e3",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.version_churn",
      "to_code": "stability.sandbox_failed",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "startup_failure",
        "status": "unreachable"
      },
      "occurred_on": "2026-10-12",
      "occurred_at": "2026-10-12 19:12:04.143978+00",
      "observed_since": "2026-10-06",
      "source": "scan",
      "summary": "Stability (fail → unverified)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a13187-7855-74e9-b375-84ff1be887e3"
    },
    {
      "id": "chg_01a0ec48-7bc4-74ef-8726-8d95aaca8d75",
      "kind": "check.reverified",
      "family": "build-provenance",
      "subject_kind": "check",
      "subject": "build-provenance",
      "subject_child": "",
      "from_code": "provenance.inconclusive",
      "to_code": "provenance.verified",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "repo": "The-40-Thieves/codecalc"
      },
      "occurred_on": "2026-09-29",
      "occurred_at": "2026-09-29 08:29:27.819881+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Provenance (unverified → pass)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a0ec48-7bc4-74ef-8726-8d95aaca8d75"
    },
    {
      "id": "chg_01a0ec48-7bc6-7778-90a0-a7c8887952f0",
      "kind": "provenance.repo_changed",
      "family": "build-provenance",
      "subject_kind": "package",
      "subject": "repo",
      "subject_child": "",
      "from_code": "provenance.inconclusive",
      "to_code": "provenance.verified",
      "from_value": null,
      "to_value": "The-40-Thieves/codecalc",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "The-40-Thieves/codecalc",
        "from": ""
      },
      "occurred_on": "2026-09-29",
      "occurred_at": "2026-09-29 08:29:27.819881+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "The attested source repository moved (The-40-Thieves/codecalc)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a0ec48-7bc6-7778-90a0-a7c8887952f0"
    },
    {
      "id": "chg_01a087c4-6c5b-783b-bbc8-3dafa9d11625",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.version_churn",
      "from_value": "0.63",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "0.12.0",
        "days": "20",
        "from": "0.3.1",
        "added": "6",
        "breaks": "0",
        "removed": "8"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 20:03:12.068329+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (0.63 → fail)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a087c4-6c5b-783b-bbc8-3dafa9d11625"
    },
    {
      "id": "chg_01a084fc-da0c-7888-9894-fd01d641cc76",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 07:05:58.475219+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a084fc-da0c-7888-9894-fd01d641cc76"
    },
    {
      "id": "chg_01a084fc-da0d-7953-bc51-843fa6e24e7f",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "0.63",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 07:05:58.475219+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (0.63 → unverified)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a084fc-da0d-7953-bc51-843fa6e24e7f"
    },
    {
      "id": "chg_01a084fc-da0d-7e7e-ab54-1fb055fc9e3e",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 07:05:58.475219+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a084fc-da0d-7e7e-ab54-1fb055fc9e3e"
    },
    {
      "id": "chg_01a07cd0-4221-718b-9ceb-97e158ec7798",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 17:00:17.983019+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a07cd0-4221-718b-9ceb-97e158ec7798"
    },
    {
      "id": "chg_01a07cd0-4222-72cc-8d4a-6bad0034e463",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "0.57",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 17:00:17.983019+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Stability (0.57 → unverified)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a07cd0-4222-72cc-8d4a-6bad0034e463"
    },
    {
      "id": "chg_01a079ca-022b-716e-933c-f2f49d85caf4",
      "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_not_cached"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 02:54:37.027841+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a079ca-022b-716e-933c-f2f49d85caf4"
    },
    {
      "id": "chg_01a02b46-3c51-7ab2-82cf-2aed08cecb3c",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "0.03",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 21:00:18.127858+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Stability (0.03 → unverified)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a02b46-3c51-7ab2-82cf-2aed08cecb3c"
    },
    {
      "id": "chg_01a02881-3ed5-7779-afad-518f5e19594c",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 08:05:53.960918+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a02881-3ed5-7779-afad-518f5e19594c"
    },
    {
      "id": "chg_01a0235b-1467-7ef8-bc01-5f576707ef98",
      "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 08:06:06.536003+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/the-40-thieves-codecalc/codecalc#chg-chg_01a0235b-1467-7ef8-bc01-5f576707ef98"
    }
  ],
  "days": [
    {
      "date": "2026-11-06",
      "total": 77,
      "delta": -15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-11-05",
      "total": 92,
      "delta": 15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-11-04",
      "total": 77,
      "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": "2026-11-03",
        "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": "2026-11-03",
      "total": 76,
      "delta": -20,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-10-31",
      "total": 96,
      "delta": 15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-30",
      "total": 81,
      "delta": -15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-16",
      "total": 96,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-15",
      "total": 96,
      "delta": 46,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    }
  ]
}