{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-teppek-teppek",
  "component": "mcp-2",
  "generated_at": "2026-09-22T18:36:08.416Z",
  "tracking_since": "2026-07-29",
  "counts": {
    "critical": 1,
    "security": 12,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0b709-aa1d-7555-a09f-7ec7f5094468",
      "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 00:20:58.972962+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-2#chg-chg_01a0b709-aa1d-7555-a09f-7ec7f5094468"
    },
    {
      "id": "chg_01a0b709-aa20-7abf-abc5-6c803f5fd81f",
      "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 00:20:58.972962+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-2#chg-chg_01a0b709-aa20-7abf-abc5-6c803f5fd81f"
    },
    {
      "id": "chg_01a0b709-aa21-7139-8a41-879ea1d4802e",
      "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 00:20:58.972962+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-2#chg-chg_01a0b709-aa21-7139-8a41-879ea1d4802e"
    },
    {
      "id": "chg_01a0649a-838d-7cdf-a006-e48c4798b669",
      "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 00:10:42.921318+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-2#chg-chg_01a0649a-838d-7cdf-a006-e48c4798b669"
    },
    {
      "id": "chg_01a0649a-838d-77cc-bf47-0fb390029575",
      "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 00:10:42.921318+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-2#chg-chg_01a0649a-838d-77cc-bf47-0fb390029575"
    },
    {
      "id": "chg_01a0649a-838c-72b8-9346-f5b0d393721f",
      "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 00:10:42.921318+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-2#chg-chg_01a0649a-838c-72b8-9346-f5b0d393721f"
    },
    {
      "id": "chg_01a045af-0aa2-7da2-bdc8-9ad3347b788a",
      "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": "2026-08-28",
      "occurred_at": "2026-08-28 00:04:54.476709+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-teppek-teppek/mcp-2#chg-chg_01a045af-0aa2-7da2-bdc8-9ad3347b788a"
    },
    {
      "id": "chg_01a045af-0aa7-7340-9bd3-f7f3a5fc4812",
      "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 00:04:54.476709+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-2#chg-chg_01a045af-0aa7-7340-9bd3-f7f3a5fc4812"
    },
    {
      "id": "chg_01a045af-0ac1-78d5-a0c4-f02e215dcd29",
      "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 00:04:54.476709+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-2#chg-chg_01a045af-0ac1-78d5-a0c4-f02e215dcd29"
    },
    {
      "id": "chg_01a04087-ee9e-7ddd-bc79-33915190a39d",
      "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 00:04:05.322556+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-2#chg-chg_01a04087-ee9e-7ddd-bc79-33915190a39d"
    },
    {
      "id": "chg_01a04087-ee9c-7505-9727-ef619c94fb9c",
      "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 00:04:05.322556+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-2#chg-chg_01a04087-ee9c-7505-9727-ef619c94fb9c"
    },
    {
      "id": "chg_01a04087-ee9c-7ba3-9edf-8bc159f73f4d",
      "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 00:04:05.322556+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-2#chg-chg_01a04087-ee9c-7ba3-9edf-8bc159f73f4d"
    },
    {
      "id": "chg_01a04087-ee95-7d00-a5e6-2c28d361005a",
      "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 00:04:05.322556+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/com-teppek-teppek/mcp-2#chg-chg_01a04087-ee95-7d00-a5e6-2c28d361005a"
    }
  ],
  "days": [
    {
      "date": "2026-09-19",
      "total": 75,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-09-09",
      "total": 75,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-03",
      "total": 75,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-09-01",
      "total": 75,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-28",
      "total": 75,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 10
    },
    {
      "date": "2026-08-27",
      "total": 75,
      "delta": 2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-08-26",
      "total": 73,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 73,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 87,
        "to": 90,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 26,
          "to_days": 27
        },
        "partial": false,
        "compared_to": "2026-08-24",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 87 to 90. That category is still filling its 30-day observation window: 26 days of observed history at the previous scan, 27 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}