{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "cyanheads-pubchem-mcp-server",
  "component": "cyanheads-pubchem-mcp-server",
  "generated_at": "2026-09-21T09:30:19.978Z",
  "tracking_since": "2026-07-27",
  "counts": {
    "critical": 0,
    "security": 26,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0bd46-8569-7993-962e-942be9126b1a",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.version_churn",
      "to_code": "stability.stable",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 05:25:10.45589+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_01a0bd46-8569-7993-962e-942be9126b1a"
    },
    {
      "id": "chg_01a0bad5-9a50-756b-b555-12d91d2b5bba",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.version_churn",
      "from_value": "0.97",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "0.6.3",
        "days": "30",
        "from": "0.6.0",
        "added": "0",
        "breaks": "0",
        "removed": "10"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 18:02:35.969332+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Stability (0.97 → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_01a0bad5-9a50-756b-b555-12d91d2b5bba"
    },
    {
      "id": "chg_01a0bad5-9a50-7b1e-aebe-ea1fbc424e10",
      "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_tools_unlisted",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 18:02:35.969332+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_01a0bad5-9a50-7b1e-aebe-ea1fbc424e10"
    },
    {
      "id": "chg_01a0bad3-912e-7037-a9c2-60011bb6d535",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.sandbox_pending",
      "from_value": "0.97",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 18:00:22.495267+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Stability (0.97 → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_01a0bad3-912e-7037-a9c2-60011bb6d535"
    },
    {
      "id": "chg_01a0bad3-9130-7921-a242-dcb55f108acb",
      "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 18:00:22.495267+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_01a0bad3-9130-7921-a242-dcb55f108acb"
    },
    {
      "id": "chg_01a0b820-0768-7a9f-a253-f7259f6c3392",
      "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": "2026-09-19",
      "occurred_at": "2026-09-19 05:25:01.533411+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_01a0b820-0768-7a9f-a253-f7259f6c3392"
    },
    {
      "id": "chg_01a0a393-865c-7a4c-a566-2b63f81b89b2",
      "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": "49",
        "assessed": "50",
        "resolved": "49",
        "tree_source": "registry",
        "tree_status": "resolved"
      },
      "occurred_on": "2026-09-15",
      "occurred_at": "2026-09-15 05:39:09.33187+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Known CVEs (partial → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_01a0a393-865c-7a4c-a566-2b63f81b89b2"
    },
    {
      "id": "chg_01a09e60-89ab-76fc-8188-b83e8e707cf4",
      "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": "2026-09-14",
      "occurred_at": "2026-09-14 05:25:21.781064+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_01a09e60-89ab-76fc-8188-b83e8e707cf4"
    },
    {
      "id": "chg_01a09c41-63d6-764e-b003-6a1fdd4fed73",
      "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": "2026-09-13",
      "occurred_at": "2026-09-13 19:32:05.785164+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_01a09c41-63d6-764e-b003-6a1fdd4fed73"
    },
    {
      "id": "chg_01a09c41-63e1-7d21-b96d-92b9b04e47d3",
      "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": "21",
        "assessed": "21",
        "resolved": "20",
        "unresolved": "1",
        "tree_source": "registry",
        "tree_status": "partial"
      },
      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 19:32:05.785164+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Known CVEs (pass → partial)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_01a09c41-63e1-7d21-b96d-92b9b04e47d3"
    },
    {
      "id": "chg_01a09c41-63e3-78d7-9a8f-dfee8bc11e3d",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.sandbox_tools_unlisted",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 19:32:05.785164+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_01a09c41-63e3-78d7-9a8f-dfee8bc11e3d"
    },
    {
      "id": "chg_01a09c41-63e4-72ee-87a9-4125bc14dd50",
      "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": "11",
        "judged": "11"
      },
      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 19:32:05.785164+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "First check of Judged manipulation (pass)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_01a09c41-63e4-72ee-87a9-4125bc14dd50"
    },
    {
      "id": "chg_01a027e7-e8db-7b03-9c4d-2578e28857f5",
      "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 05:18:24.538886+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_01a027e7-e8db-7b03-9c4d-2578e28857f5"
    },
    {
      "id": "chg_01a026ba-ec77-7497-b366-be3665fc7e78",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.version_churn",
      "from_value": "0.50",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "0.6.1",
        "days": "16",
        "from": "0.6.0",
        "added": "0",
        "breaks": "0",
        "removed": "10"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 23:49:39.266407+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Stability (0.50 → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_01a026ba-ec77-7497-b366-be3665fc7e78"
    },
    {
      "id": "chg_01a026ba-ec78-72b5-8cd4-76a9d99b2e88",
      "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": "2026-08-21",
      "occurred_at": "2026-08-21 23:49:39.266407+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_01a026ba-ec78-72b5-8cd4-76a9d99b2e88"
    },
    {
      "id": "chg_019fdaa4-1d25-73d2-abcc-e035923309ac",
      "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": "127",
        "assessed": "128",
        "resolved": "127",
        "tree_source": "registry",
        "tree_status": "resolved"
      },
      "occurred_on": "2026-08-07",
      "occurred_at": "2026-08-07 05:13:36.132419+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Known CVEs (partial → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_019fdaa4-1d25-73d2-abcc-e035923309ac"
    },
    {
      "id": "chg_019fd58b-1bb6-7c90-a1e9-b29c14bc7494",
      "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 05:28:11.378783+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/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_019fd58b-1bb6-7c90-a1e9-b29c14bc7494"
    },
    {
      "id": "chg_019fd058-d854-7aca-9824-9216a94a88d1",
      "kind": "check.verdict",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.transitive",
      "to_code": "cve.tree_partial",
      "from_value": "fail",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "seen": "132",
        "assessed": "126",
        "resolved": "125",
        "unresolved": "7",
        "tree_source": "registry",
        "tree_status": "partial"
      },
      "occurred_on": "2026-08-05",
      "occurred_at": "2026-08-05 05:15:11.250373+00",
      "observed_since": "2026-08-04",
      "source": "scan",
      "summary": "Known CVEs (fail → partial)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_019fd058-d854-7aca-9824-9216a94a88d1"
    },
    {
      "id": "chg_019fd058-d854-7079-8415-0dd7ad033863",
      "kind": "advisory.resolved",
      "family": "vulnerabilities",
      "subject_kind": "advisory",
      "subject": "CVE-2026-69207",
      "subject_child": "",
      "from_code": "cve.transitive",
      "to_code": "cve.tree_partial",
      "from_value": "medium",
      "to_value": null,
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "id": "CVE-2026-69207"
      },
      "occurred_on": "2026-08-05",
      "occurred_at": "2026-08-05 05:15:11.250373+00",
      "observed_since": "2026-08-04",
      "source": "scan",
      "summary": "CVE-2026-69207 no longer affects this package",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_019fd058-d854-7079-8415-0dd7ad033863"
    },
    {
      "id": "chg_019fcb33-13c9-767d-badf-7cf041172df2",
      "kind": "check.verdict",
      "family": "vulnerabilities",
      "subject_kind": "check",
      "subject": "vulnerabilities",
      "subject_child": "",
      "from_code": "cve.tree_partial",
      "to_code": "cve.transitive",
      "from_value": "partial",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "path": "@cyanheads/mcp-ts-core > hono",
        "refs": "[\"CVE-2026-69207\"]",
        "seen": "132",
        "package": "hono",
        "version": "4.12.33",
        "assessed": "126",
        "resolved": "125",
        "severity": "medium",
        "transitive": "1",
        "unresolved": "7",
        "vulnerable": "[{\"name\":\"hono\",\"version\":\"4.12.33\",\"depth\":2,\"path\":[\"@cyanheads/mcp-ts-core\",\"hono\"],\"refs\":[\"CVE-2026-69207\"]}]",
        "tree_source": "registry",
        "tree_status": "partial"
      },
      "occurred_on": "2026-08-04",
      "occurred_at": "2026-08-04 05:15:50.074778+00",
      "observed_since": "2026-08-03",
      "source": "scan",
      "summary": "Known CVEs (partial → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_019fcb33-13c9-767d-badf-7cf041172df2"
    },
    {
      "id": "chg_019fcb33-13c8-74a4-ab50-798278eb126a",
      "kind": "advisory.identified",
      "family": "vulnerabilities",
      "subject_kind": "advisory",
      "subject": "CVE-2026-69207",
      "subject_child": "",
      "from_code": null,
      "to_code": "cve.transitive",
      "from_value": null,
      "to_value": "medium",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "id": "CVE-2026-69207",
        "severity": "medium"
      },
      "occurred_on": "2026-08-04",
      "occurred_at": "2026-08-04 05:15:50.074778+00",
      "observed_since": "2026-08-03",
      "source": "scan",
      "summary": "CVE-2026-69207 affects this package (medium)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_019fcb33-13c8-74a4-ab50-798278eb126a"
    },
    {
      "id": "chg_019fc4cc-0f9f-7a2b-93c8-85b5eb815356",
      "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 23:25:35.500594+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Provenance (unverified → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_019fc4cc-0f9f-7a2b-93c8-85b5eb815356"
    },
    {
      "id": "chg_019fc4cc-0fa1-7622-b76d-9cd77308f8f9",
      "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": "132",
        "assessed": "126",
        "resolved": "125",
        "unresolved": "7",
        "tree_source": "registry",
        "tree_status": "partial"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 23:25:35.500594+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Known CVEs (unverified → partial)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_019fc4cc-0fa1-7622-b76d-9cd77308f8f9"
    },
    {
      "id": "chg_019fc4cc-0fa0-7e90-8d04-2914f8720063",
      "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 23:25:35.500594+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Install scripts (unverified → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_019fc4cc-0fa0-7e90-8d04-2914f8720063"
    },
    {
      "id": "chg_019fbd70-bc2e-735f-aa85-e0e4ab9370f4",
      "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 13:08:29.842448+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_019fbd70-bc2e-735f-aa85-e0e4ab9370f4"
    },
    {
      "id": "chg_019fa91f-c239-7f40-b428-0af2215c2549",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 14:27:38.672901+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-pubchem-mcp-server/cyanheads-pubchem-mcp-server#chg-chg_019fa91f-c239-7f40-b428-0af2215c2549"
    }
  ],
  "days": [
    {
      "date": "2026-09-21",
      "total": 54,
      "delta": -3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-20",
      "total": 57,
      "delta": 14,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-19",
      "total": 43,
      "delta": -39,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 10
    },
    {
      "date": "2026-09-18",
      "total": 82,
      "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": "2026-09-17",
        "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": "2026-09-15",
      "total": 81,
      "delta": 2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-14",
      "total": 79,
      "delta": 15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-13",
      "total": 64,
      "delta": 21,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 9
    },
    {
      "date": "2026-09-08",
      "total": 43,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}