{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "dma9527-irs-taxpayer",
  "component": "irs-taxpayer-mcp",
  "generated_at": "2026-09-21T20:22:09.683Z",
  "tracking_since": "2026-07-27",
  "counts": {
    "critical": 0,
    "security": 22,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0b87a-7db3-714c-bec7-82e6620a9625",
      "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": "2026-09-19",
      "occurred_at": "2026-09-19 07:03:50.339706+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_01a0b87a-7db3-714c-bec7-82e6620a9625"
    },
    {
      "id": "chg_01a0b516-955e-76bf-99d8-081ac895af9a",
      "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": "2026-09-18",
      "occurred_at": "2026-09-18 15:15:50.822843+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_01a0b516-955e-76bf-99d8-081ac895af9a"
    },
    {
      "id": "chg_01a0850b-af97-7989-a290-f426444dc1d2",
      "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 07:22:10.646301+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_01a0850b-af97-7989-a290-f426444dc1d2"
    },
    {
      "id": "chg_01a07f23-e70c-7cef-b485-1096348dcdae",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 03:50:54.369065+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_01a07f23-e70c-7cef-b485-1096348dcdae"
    },
    {
      "id": "chg_01a075a4-6767-74ad-8941-20998acbcff0",
      "kind": "check.reverified",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.inconclusive",
      "to_code": "cve.none",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "seen": "96",
        "assessed": "97",
        "resolved": "96",
        "tree_source": "registry",
        "tree_status": "resolved"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 07:35:03.675412+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Known CVEs (unverified → pass)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_01a075a4-6767-74ad-8941-20998acbcff0"
    },
    {
      "id": "chg_01a06eed-620e-7049-ad6b-fbb90c4432a0",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.version_churn",
      "to_code": "stability.sandbox_pending",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 00:17:25.988116+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Stability (fail → unverified)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_01a06eed-620e-7049-ad6b-fbb90c4432a0"
    },
    {
      "id": "chg_01a06eed-620f-7a6a-af7b-bad1e92c54c6",
      "kind": "check.unverifiable",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.none",
      "to_code": "cve.inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "root_version_missing"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 00:17:25.988116+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Known CVEs (pass → unverified)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_01a06eed-620f-7a6a-af7b-bad1e92c54c6"
    },
    {
      "id": "chg_01a06eed-6210-7671-b704-0bc89903ed18",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 00:17:25.988116+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_01a06eed-6210-7671-b704-0bc89903ed18"
    },
    {
      "id": "chg_01a06eed-6210-7adb-ae8d-40023dfb2144",
      "kind": "check.verdict",
      "family": "build-provenance",
      "subject_kind": "check",
      "subject": "build-provenance",
      "subject_child": "",
      "from_code": "provenance.none",
      "to_code": "provenance.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "repo": "dma9527/irs-taxpayer-mcp"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 00:17:25.988116+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Provenance (fail → pass)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_01a06eed-6210-7adb-ae8d-40023dfb2144"
    },
    {
      "id": "chg_01a06eed-6211-76e5-a721-e64a47ac851a",
      "kind": "provenance.repo_changed",
      "family": "build-provenance",
      "subject_kind": "package",
      "subject": "repo",
      "subject_child": "",
      "from_code": "provenance.none",
      "to_code": "provenance.verified",
      "from_value": null,
      "to_value": "dma9527/irs-taxpayer-mcp",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "dma9527/irs-taxpayer-mcp",
        "from": ""
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 00:17:25.988116+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "The attested source repository moved (dma9527/irs-taxpayer-mcp)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_01a06eed-6211-76e5-a721-e64a47ac851a"
    },
    {
      "id": "chg_01a06e76-910a-722a-ad69-dd9999b6f719",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.version_churn",
      "from_value": "0.80",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "0.6.0",
        "days": "25",
        "from": "0.5.3",
        "added": "1",
        "breaks": "2",
        "removed": "0"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 22:07:39.079699+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Stability (0.80 → fail)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_01a06e76-910a-722a-ad69-dd9999b6f719"
    },
    {
      "id": "chg_01a06e70-08d5-7bc1-addd-33c52036f0ce",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 22:00:31.0329+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Stability (0.80 → unverified)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_01a06e70-08d5-7bc1-addd-33c52036f0ce"
    },
    {
      "id": "chg_01a06e70-08d6-7c3a-bdc5-f37af50f09dc",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 22:00:31.0329+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_01a06e70-08d6-7c3a-bdc5-f37af50f09dc"
    },
    {
      "id": "chg_01a060fa-a720-7e94-b54e-dc08113ee197",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 07:17:14.498022+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_01a060fa-a720-7e94-b54e-dc08113ee197"
    },
    {
      "id": "chg_01a037c6-0b7e-704a-abf2-6938204fb018",
      "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": "2026-08-25",
      "occurred_at": "2026-08-25 07:15:20.978521+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_01a037c6-0b7e-704a-abf2-6938204fb018"
    },
    {
      "id": "chg_019fe038-cdbf-7bd5-8f1a-9842ceb66e68",
      "kind": "check.verdict",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.tree_partial",
      "to_code": "cve.none",
      "from_value": "partial",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "seen": "96",
        "assessed": "97",
        "resolved": "96",
        "tree_source": "registry",
        "tree_status": "resolved"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 07:14:06.890897+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Known CVEs (partial → pass)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_019fe038-cdbf-7bd5-8f1a-9842ceb66e68"
    },
    {
      "id": "chg_019fc458-40e0-7777-9161-5390a8f6ecc4",
      "kind": "check.reverified",
      "family": "build-provenance",
      "subject_kind": "check",
      "subject": "build-provenance",
      "subject_child": "",
      "from_code": "provenance.inconclusive",
      "to_code": "provenance.none",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 21:19:05.933461+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Provenance (unverified → fail)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_019fc458-40e0-7777-9161-5390a8f6ecc4"
    },
    {
      "id": "chg_019fc458-40e2-729d-8557-327ba4f9aa7d",
      "kind": "check.reverified",
      "family": "install-scripts",
      "subject_kind": "check",
      "subject": "install-scripts",
      "subject_child": "",
      "from_code": "installscript.inconclusive",
      "to_code": "installscript.none",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "tier": "none"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 21:19:05.933461+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Install scripts (unverified → pass)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_019fc458-40e2-729d-8557-327ba4f9aa7d"
    },
    {
      "id": "chg_019fc458-40e2-78e6-920f-2dd6388a2b99",
      "kind": "check.reverified",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.inconclusive",
      "to_code": "cve.tree_partial",
      "from_value": "unverified",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "seen": "99",
        "assessed": "96",
        "resolved": "95",
        "unresolved": "4",
        "tree_source": "registry",
        "tree_status": "partial"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 21:19:05.933461+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Known CVEs (unverified → partial)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_019fc458-40e2-78e6-920f-2dd6388a2b99"
    },
    {
      "id": "chg_019fc458-40e2-7cdd-a77e-149bf014482d",
      "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": "2026-08-02",
      "occurred_at": "2026-08-02 21:19:05.933461+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: not enough scan history yet (needs a 30-day window).)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_019fc458-40e2-7cdd-a77e-149bf014482d"
    },
    {
      "id": "chg_019fc31a-de80-7962-ba5a-21183ad3c066",
      "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": "2026-08-02",
      "occurred_at": "2026-08-02 15:32:25.841378+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_019fc31a-de80-7962-ba5a-21183ad3c066"
    },
    {
      "id": "chg_019fb18f-35ec-7372-944d-c911d95ac94d",
      "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": {},
      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 05:46:20.513758+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/dma9527-irs-taxpayer/irs-taxpayer-mcp#chg-chg_019fb18f-35ec-7372-944d-c911d95ac94d"
    }
  ],
  "days": [
    {
      "date": "2026-09-21",
      "total": 89,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 91,
        "to": 94,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-20",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 91 to 94."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-19",
      "total": 88,
      "delta": 16,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-18",
      "total": 72,
      "delta": -15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-16",
      "total": 87,
      "delta": -2,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 98,
        "to": 78,
        "delta": -20,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-15",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 98 to 78."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-14",
      "total": 89,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 91,
        "to": 94,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-13",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 91 to 94."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-12",
      "total": 88,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 84,
        "to": 88,
        "delta": 4,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-11",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 84 to 88."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-10",
      "total": 87,
      "delta": -2,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 98,
        "to": 81,
        "delta": -17,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-09",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 98 to 81."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-09",
      "total": 89,
      "delta": 15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}