{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-teppek-teppek",
  "component": "mcp",
  "generated_at": "2026-09-22T17:37:59.362Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 1,
    "security": 11,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0b881-c204-751b-b67c-49087746d687",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "create_listing",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "create_listing"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 07:11:46.615089+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “create_listing” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-teppek-teppek/mcp#chg-chg_01a0b881-c204-751b-b67c-49087746d687"
    },
    {
      "id": "chg_01a0b881-c205-7570-8547-170c2e04e539",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_listings",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_listings"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 07:11:46.615089+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “search_listings” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-teppek-teppek/mcp#chg-chg_01a0b881-c205-7570-8547-170c2e04e539"
    },
    {
      "id": "chg_01a0b881-c205-7993-8af5-f20d3954a4c5",
      "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": "2026-09-19",
      "occurred_at": "2026-09-19 07:11:46.615089+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-teppek-teppek/mcp#chg-chg_01a0b881-c205-7993-8af5-f20d3954a4c5"
    },
    {
      "id": "chg_01a06618-f3b5-7d88-82a4-4a4fb1261577",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "reply_to_conversation",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "reply_to_conversation"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 07:08:26.250384+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “reply_to_conversation” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-teppek-teppek/mcp#chg-chg_01a06618-f3b5-7d88-82a4-4a4fb1261577"
    },
    {
      "id": "chg_01a06618-f3b7-721c-b7ab-40a67f9dbe16",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "send_message",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "send_message"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 07:08:26.250384+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “send_message” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-teppek-teppek/mcp#chg-chg_01a06618-f3b7-721c-b7ab-40a67f9dbe16"
    },
    {
      "id": "chg_01a06618-f3b6-7bf7-bda1-227bf4d39aa7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_listings",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_listings"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 07:08:26.250384+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “search_listings” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-teppek-teppek/mcp#chg-chg_01a06618-f3b6-7bf7-bda1-227bf4d39aa7"
    },
    {
      "id": "chg_01a0472c-d337-778e-aea5-5a544044dec4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "create_listing",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "create_listing"
      },
      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 07:01:54.979885+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Tool “create_listing” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-teppek-teppek/mcp#chg-chg_01a0472c-d337-778e-aea5-5a544044dec4"
    },
    {
      "id": "chg_01a0472c-d33c-7049-8e94-3c6f5acebfd1",
      "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 07:01:54.979885+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/com-teppek-teppek/mcp#chg-chg_01a0472c-d33c-7049-8e94-3c6f5acebfd1"
    },
    {
      "id": "chg_01a04206-4ccd-7c4e-bc37-ea11ead330c1",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.none_destructive",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "delete_listing"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 07:01:44.170314+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/com-teppek-teppek/mcp#chg-chg_01a04206-4ccd-7c4e-bc37-ea11ead330c1"
    },
    {
      "id": "chg_01a04206-4cd1-7650-893c-2eb05d1f656e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "create_listing",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "create_listing"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 07:01:44.170314+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “create_listing” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-teppek-teppek/mcp#chg-chg_01a04206-4cd1-7650-893c-2eb05d1f656e"
    },
    {
      "id": "chg_01a04206-4cd2-730c-af2d-a6d747155985",
      "kind": "tool.destructive_set",
      "family": "",
      "subject_kind": "tool",
      "subject": "delete_listing",
      "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": "delete_listing"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 07:01:44.170314+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “delete_listing” is now declared destructive",
      "link": "https://verifymcp.io/servers/com-teppek-teppek/mcp#chg-chg_01a04206-4cd2-730c-af2d-a6d747155985"
    },
    {
      "id": "chg_01a04206-4cd2-7e5d-b1b1-bfc1a69bb075",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "send_message",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "send_message"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 07:01:44.170314+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “send_message” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-teppek-teppek/mcp#chg-chg_01a04206-4cd2-7e5d-b1b1-bfc1a69bb075"
    }
  ],
  "days": [
    {
      "date": "2026-09-19",
      "total": 81,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-09-08",
      "total": 81,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-03",
      "total": 81,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-09-01",
      "total": 81,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-28",
      "total": 81,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 9
    },
    {
      "date": "2026-08-27",
      "total": 81,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-08-26",
      "total": 80,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 80,
      "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": "2026-08-24",
        "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
    }
  ]
}