{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "patent-precheck-patent-precheck",
  "component": "patentprecheck",
  "generated_at": "2026-09-20T22:23:10.047Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 7,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0bcc4-516f-7888-b31f-35d67c06468d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "precheck_pillars",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "precheck_pillars"
      },
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 03:02:57.560896+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “precheck_pillars” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/patent-precheck-patent-precheck/patentprecheck#chg-chg_01a0bcc4-516f-7888-b31f-35d67c06468d"
    },
    {
      "id": "chg_01a0b79e-16ea-77dc-91b9-600cd3fabe7e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "precheck_score",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "precheck_score"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 03:03:06.162966+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “precheck_score” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/patent-precheck-patent-precheck/patentprecheck#chg-chg_01a0b79e-16ea-77dc-91b9-600cd3fabe7e"
    },
    {
      "id": "chg_01a0b79e-16eb-776b-be33-23b482c48aa5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "precheck_search_corpus",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "precheck_search_corpus"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 03:03:06.162966+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “precheck_search_corpus” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/patent-precheck-patent-precheck/patentprecheck#chg-chg_01a0b79e-16eb-776b-be33-23b482c48aa5"
    },
    {
      "id": "chg_01a0b79e-16ec-7bdb-9fd5-59d4f02d0499",
      "kind": "server.breaking_without_version_bump",
      "family": "",
      "subject_kind": "server",
      "subject": "0.4.3",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "0.4.3",
      "to_value": "0.4.3",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "removed": "0",
        "version": "0.4.3",
        "breaking": "6"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 03:03:06.162966+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 0.4.3)",
      "link": "https://verifymcp.io/servers/patent-precheck-patent-precheck/patentprecheck#chg-chg_01a0b79e-16ec-7bdb-9fd5-59d4f02d0499"
    },
    {
      "id": "chg_01a0b79e-16e5-7bee-90bc-20c92aa2e1b0",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.churn",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "30",
        "added": "0",
        "breaks": "6",
        "removed": "0",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 03:03:06.162966+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/patent-precheck-patent-precheck/patentprecheck#chg-chg_01a0b79e-16e5-7bee-90bc-20c92aa2e1b0"
    },
    {
      "id": "chg_01a036de-0c21-734b-81bc-a32a50879a85",
      "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 03:01:56.777704+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/patent-precheck-patent-precheck/patentprecheck#chg-chg_01a036de-0c21-734b-81bc-a32a50879a85"
    },
    {
      "id": "chg_019fdf51-e811-74f6-9009-578868b76ba2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "precheck_search_corpus",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "precheck_search_corpus"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 03:01:54.791056+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Tool “precheck_search_corpus” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/patent-precheck-patent-precheck/patentprecheck#chg-chg_019fdf51-e811-74f6-9009-578868b76ba2"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 76,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-19",
      "total": 76,
      "delta": -4,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 15
    },
    {
      "date": "2026-09-14",
      "total": 80,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-08-26",
      "total": 81,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-23",
      "total": 79,
      "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": "2026-08-22",
        "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
    },
    {
      "date": "2026-08-11",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-08",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    }
  ]
}