{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "openaccountants-openaccountants",
  "component": "api-mcp",
  "generated_at": "2026-09-21T07:49:34.825Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 11,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a09394-679a-782c-bc1e-d35bcd16cc92",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 03:06:11.630035+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/openaccountants-openaccountants/api-mcp#chg-chg_01a09394-679a-782c-bc1e-d35bcd16cc92"
    },
    {
      "id": "chg_01a06a60-cbb8-7225-b717-2b63c4d518cc",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 03:05:23.576611+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/openaccountants-openaccountants/api-mcp#chg-chg_01a06a60-cbb8-7225-b717-2b63c4d518cc"
    },
    {
      "id": "chg_01a055c7-7ba2-7b9e-9130-f76be192bde9",
      "kind": "check.reverified",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": "toolsafety.manipulation_unjudged",
      "to_code": "toolsafety.manipulation_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "units": "15",
        "judged": "15"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 03:05:31.720748+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Judged manipulation (unverified → pass)",
      "link": "https://verifymcp.io/servers/openaccountants-openaccountants/api-mcp#chg-chg_01a055c7-7ba2-7b9e-9130-f76be192bde9"
    },
    {
      "id": "chg_01a04654-c9f2-7773-a443-b79dd4c3c117",
      "kind": "check.unverifiable",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": "toolsafety.manipulation_clean",
      "to_code": "toolsafety.manipulation_unjudged",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "units": "15",
        "judged": "14",
        "reason": "partially_judged"
      },
      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 03:05:56.85163+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Judged manipulation (pass → unverified)",
      "link": "https://verifymcp.io/servers/openaccountants-openaccountants/api-mcp#chg-chg_01a04654-c9f2-7773-a443-b79dd4c3c117"
    },
    {
      "id": "chg_01a04654-c9f6-722c-81bd-755dfd8d024e",
      "kind": "tool.destructive_set",
      "family": "",
      "subject_kind": "tool",
      "subject": "share_with_openaccountants",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "false",
      "to_value": "true",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "true",
        "from": "false",
        "tool": "share_with_openaccountants"
      },
      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 03:05:56.85163+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Tool “share_with_openaccountants” is now declared destructive",
      "link": "https://verifymcp.io/servers/openaccountants-openaccountants/api-mcp#chg-chg_01a04654-c9f6-722c-81bd-755dfd8d024e"
    },
    {
      "id": "chg_01a04654-c9f6-779b-9631-76becebc8048",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 03:05:56.85163+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/openaccountants-openaccountants/api-mcp#chg-chg_01a04654-c9f6-779b-9631-76becebc8048"
    },
    {
      "id": "chg_01a0412e-68bf-787b-8f5d-ea34aac3f35b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_rules",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_rules"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 03:05:55.611004+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “search_rules” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/openaccountants-openaccountants/api-mcp#chg-chg_01a0412e-68bf-787b-8f5d-ea34aac3f35b"
    },
    {
      "id": "chg_01a036e1-49be-762d-a984-aa780d1eec6d",
      "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 03:05:29.177689+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/openaccountants-openaccountants/api-mcp#chg-chg_01a036e1-49be-762d-a984-aa780d1eec6d"
    },
    {
      "id": "chg_019fcfe1-9549-7f1f-9285-ae46abee154c",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-05",
      "occurred_at": "2026-08-05 03:04:55.334718+00",
      "observed_since": "2026-08-04",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/openaccountants-openaccountants/api-mcp#chg-chg_019fcfe1-9549-7f1f-9285-ae46abee154c"
    },
    {
      "id": "chg_019fcab9-855b-735f-bbe4-c52bdcbb9c7f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_rules",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_rules"
      },
      "occurred_on": "2026-08-04",
      "occurred_at": "2026-08-04 03:03:03.749175+00",
      "observed_since": "2026-08-03",
      "source": "scan",
      "summary": "Tool “search_rules” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/openaccountants-openaccountants/api-mcp#chg-chg_019fcab9-855b-735f-bbe4-c52bdcbb9c7f"
    },
    {
      "id": "chg_019fcab9-855b-7dfe-8fa2-2301628d2a9b",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-04",
      "occurred_at": "2026-08-04 03:03:03.749175+00",
      "observed_since": "2026-08-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/openaccountants-openaccountants/api-mcp#chg-chg_019fcab9-855b-7dfe-8fa2-2301628d2a9b"
    }
  ],
  "days": [
    {
      "date": "2026-09-12",
      "total": 89,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-04",
      "total": 89,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-08-31",
      "total": 89,
      "delta": 8,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-08-28",
      "total": 81,
      "delta": -8,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-08-27",
      "total": 89,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-08-26",
      "total": 89,
      "delta": 2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 87,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-24",
      "total": 87,
      "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": "2026-08-23",
        "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
    }
  ]
}