{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "jp-addresstozip-address-to-zip",
  "component": "addresstozip",
  "generated_at": "2026-09-21T06:29:26.865Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 4,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a083b3-460f-7df5-9eb6-a434198570a5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "lookup_zipcode",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "lookup_zipcode"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 01:05:59.249351+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “lookup_zipcode” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/jp-addresstozip-address-to-zip/addresstozip#chg-chg_01a083b3-460f-7df5-9eb6-a434198570a5"
    },
    {
      "id": "chg_01a083b3-4610-7e80-9e65-651a1aa0588f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_address",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_address"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 01:05:59.249351+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “search_address” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/jp-addresstozip-address-to-zip/addresstozip#chg-chg_01a083b3-4610-7e80-9e65-651a1aa0588f"
    },
    {
      "id": "chg_01a083b3-4612-7671-bb35-317e4bc0a4ce",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 01:05:59.249351+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/jp-addresstozip-address-to-zip/addresstozip#chg-chg_01a083b3-4612-7671-bb35-317e4bc0a4ce"
    },
    {
      "id": "chg_01a036ab-2c3e-790c-b159-4db45423875f",
      "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 02:06:22.696853+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/jp-addresstozip-address-to-zip/addresstozip#chg-chg_01a036ab-2c3e-790c-b159-4db45423875f"
    }
  ],
  "days": [
    {
      "date": "2026-09-09",
      "total": 78,
      "delta": -3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "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": "2026-08-11",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-07-31",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-07-30",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-07-27",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-07-26",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}