{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "awslabs-mcp-server-for-oscal",
  "component": "mcp-server-for-oscal",
  "generated_at": "2026-09-20T21:11:29.331Z",
  "tracking_since": "2026-07-27",
  "counts": {
    "critical": 0,
    "security": 26,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0b2f5-22c4-78a2-a729-acd3974efd7d",
      "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": "2026-09-18",
      "occurred_at": "2026-09-18 05:20:04.38141+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_01a0b2f5-22c4-78a2-a729-acd3974efd7d"
    },
    {
      "id": "chg_01a0ad2a-d6c0-7403-85c4-7dd143b0c1cb",
      "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": "2026-09-17",
      "occurred_at": "2026-09-17 02:21:00.853157+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_01a0ad2a-d6c0-7403-85c4-7dd143b0c1cb"
    },
    {
      "id": "chg_01a09e5d-31b5-75a9-8d3e-1e0f7f6a5607",
      "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 05:21:42.693645+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_01a09e5d-31b5-75a9-8d3e-1e0f7f6a5607"
    },
    {
      "id": "chg_01a0846e-86d3-7993-b61c-8d64e22ee0d6",
      "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": "needs_declared_env",
        "status": "unreachable"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 04:30:31.000615+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_01a0846e-86d3-7993-b61c-8d64e22ee0d6"
    },
    {
      "id": "chg_01a0846e-86d4-77e3-abfb-7d09f8d90844",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.sandbox_failed",
      "from_value": "0.90",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "needs_declared_env",
        "status": "unreachable"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 04:30:31.000615+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (0.90 → unverified)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_01a0846e-86d4-77e3-abfb-7d09f8d90844"
    },
    {
      "id": "chg_01a06a33-4de7-78dc-8113-367afddb1606",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 02:15:42.105121+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_01a06a33-4de7-78dc-8113-367afddb1606"
    },
    {
      "id": "chg_01a03df4-7748-74af-95bc-bc9e539c33cc",
      "kind": "check.appeared",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": null,
      "to_code": "toolsafety.injection_clean",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-26",
      "occurred_at": "2026-08-26 12:03:46.404325+00",
      "observed_since": "2026-08-25",
      "source": "scan",
      "summary": "First check of Injection markers (pass)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_01a03df4-7748-74af-95bc-bc9e539c33cc"
    },
    {
      "id": "chg_01a03df4-774a-7097-8efb-cd9be2ee128c",
      "kind": "check.appeared",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": null,
      "to_code": "toolsafety.manipulation_clean",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "units": "41",
        "judged": "41"
      },
      "occurred_on": "2026-08-26",
      "occurred_at": "2026-08-26 12:03:46.404325+00",
      "observed_since": "2026-08-25",
      "source": "scan",
      "summary": "First check of Judged manipulation (pass)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_01a03df4-774a-7097-8efb-cd9be2ee128c"
    },
    {
      "id": "chg_01a02219-27be-7db7-b2da-16aa62c90ad5",
      "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": "81",
        "assessed": "82",
        "resolved": "81",
        "tree_source": "registry",
        "tree_status": "resolved"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 02:14:28.935848+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Known CVEs (partial → pass)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_01a02219-27be-7db7-b2da-16aa62c90ad5"
    },
    {
      "id": "chg_01a01cf4-4aba-7b07-a7d3-df39d0414fb4",
      "kind": "check.verdict",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.none",
      "to_code": "cve.tree_partial",
      "from_value": "pass",
      "to_value": "partial",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "seen": "84",
        "assessed": "59",
        "resolved": "58",
        "unresolved": "26",
        "tree_source": "registry",
        "tree_status": "partial"
      },
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 02:16:06.997483+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Known CVEs (pass → partial)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_01a01cf4-4aba-7b07-a7d3-df39d0414fb4"
    },
    {
      "id": "chg_01a00d7d-81e2-7d80-a71b-55a3cec356f5",
      "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": "2026-08-17",
      "occurred_at": "2026-08-17 02:12:04.125611+00",
      "observed_since": "2026-08-16",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_01a00d7d-81e2-7d80-a71b-55a3cec356f5"
    },
    {
      "id": "chg_019ff8e3-c64c-7321-930c-44bb91c6f8a7",
      "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 02:11:44.782498+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_019ff8e3-c64c-7321-930c-44bb91c6f8a7"
    },
    {
      "id": "chg_019ff3d3-c462-71ef-b682-ca8fc827e903",
      "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 02:36:09.672654+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_019ff3d3-c462-71ef-b682-ca8fc827e903"
    },
    {
      "id": "chg_019fdf33-359f-74ca-bbf9-545a781c1c95",
      "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": "2026-08-08",
      "occurred_at": "2026-08-08 02:28:23.021845+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_019fdf33-359f-74ca-bbf9-545a781c1c95"
    },
    {
      "id": "chg_019fd9fd-4743-7c82-ab82-f3c8e73e978b",
      "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": "2026-08-07",
      "occurred_at": "2026-08-07 02:11:22.527631+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_019fd9fd-4743-7c82-ab82-f3c8e73e978b"
    },
    {
      "id": "chg_019fd4ec-63e7-775e-801b-6c00cda443c3",
      "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": "2026-08-06",
      "occurred_at": "2026-08-06 02:34:49.660927+00",
      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_019fd4ec-63e7-775e-801b-6c00cda443c3"
    },
    {
      "id": "chg_019fd4ec-63e8-789b-9a4d-6989df4b7535",
      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.sandbox_failed",
      "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 02:34:49.660927+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/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_019fd4ec-63e8-789b-9a4d-6989df4b7535"
    },
    {
      "id": "chg_019fcfb1-d5d6-72b9-ac2e-0d6dd4900cc5",
      "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": "2026-08-05",
      "occurred_at": "2026-08-05 02:12:46.135609+00",
      "observed_since": "2026-08-04",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_019fcfb1-d5d6-72b9-ac2e-0d6dd4900cc5"
    },
    {
      "id": "chg_019fcab4-60c6-7322-92ab-84d16b7f01c2",
      "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": "80",
        "assessed": "81",
        "resolved": "80",
        "tree_source": "registry",
        "tree_status": "resolved"
      },
      "occurred_on": "2026-08-04",
      "occurred_at": "2026-08-04 02:57:26.70613+00",
      "observed_since": "2026-08-03",
      "source": "scan",
      "summary": "Known CVEs (unverified → pass)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_019fcab4-60c6-7322-92ab-84d16b7f01c2"
    },
    {
      "id": "chg_019fc47d-0fa6-7c0a-9c20-1528cfe5ce20",
      "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": "2026-08-02",
      "occurred_at": "2026-08-02 21:59:18.157097+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_019fc47d-0fa6-7c0a-9c20-1528cfe5ce20"
    },
    {
      "id": "chg_019fc47d-0fa7-7ab5-8fde-5dc236879bce",
      "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 21:59:18.157097+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Provenance (unverified → fail)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_019fc47d-0fa7-7ab5-8fde-5dc236879bce"
    },
    {
      "id": "chg_019fc47d-0fa8-792b-aa1b-8664e32e5589",
      "kind": "check.reverified",
      "family": "install-scripts",
      "subject_kind": "check",
      "subject": "install-scripts",
      "subject_child": "",
      "from_code": "installscript.inconclusive",
      "to_code": "installscript.allowlisted",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "hook": "build_backend",
        "tier": "allowlisted",
        "tool": "hatchling.build",
        "hooks": "build_backend"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 21:59:18.157097+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Install scripts (unverified → pass)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_019fc47d-0fa8-792b-aa1b-8664e32e5589"
    },
    {
      "id": "chg_019fc47d-0fa8-7e92-804d-a6fb1a1a9d9f",
      "kind": "installscript.hooks_changed",
      "family": "install-scripts",
      "subject_kind": "package",
      "subject": "hooks",
      "subject_child": "",
      "from_code": "installscript.inconclusive",
      "to_code": "installscript.allowlisted",
      "from_value": null,
      "to_value": "build_backend",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "build_backend",
        "from": ""
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 21:59:18.157097+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "The scripts that run when this package is installed changed (build_backend)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_019fc47d-0fa8-7e92-804d-a6fb1a1a9d9f"
    },
    {
      "id": "chg_019fc208-097b-7b48-8651-8f509d629414",
      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.sandbox_failed",
      "to_code": "stability.sandbox_pending",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 10:32:14.443787+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet.)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_019fc208-097b-7b48-8651-8f509d629414"
    },
    {
      "id": "chg_019fbd1d-eea7-7f0f-ae6d-c74b8a85190a",
      "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": "2026-08-01",
      "occurred_at": "2026-08-01 11:38:03.288927+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_019fbd1d-eea7-7f0f-ae6d-c74b8a85190a"
    },
    {
      "id": "chg_019fbd1d-eea8-7dbd-aa52-1ad8d7f237e7",
      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.sandbox_pending",
      "to_code": "stability.sandbox_failed",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "status": "unreachable"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 11:38:03.288927+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: our sandbox run of this package did not complete, so we have no schema to compare.)",
      "link": "https://verifymcp.io/servers/awslabs-mcp-server-for-oscal/mcp-server-for-oscal#chg-chg_019fbd1d-eea8-7dbd-aa52-1ad8d7f237e7"
    }
  ],
  "days": [
    {
      "date": "2026-09-18",
      "total": 21,
      "delta": -15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-17",
      "total": 36,
      "delta": 15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-14",
      "total": 21,
      "delta": -15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-09",
      "total": 36,
      "delta": -40,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-09-07",
      "total": 76,
      "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": "2026-09-06",
        "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": "2026-09-05",
      "total": 75,
      "delta": -2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-04",
      "total": 77,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-02",
      "total": 77,
      "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": "2026-09-01",
        "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
    }
  ]
}