{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "space-btw-btw",
  "component": "btw",
  "generated_at": "2026-09-20T18:19:22.207Z",
  "tracking_since": "2026-09-02",
  "counts": {
    "critical": 0,
    "security": 16,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0b81c-86f8-7624-9960-8b85a4534b5f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "hold",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "hold"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 05:21:12.358439+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “hold” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0b81c-86f8-7624-9960-8b85a4534b5f"
    },
    {
      "id": "chg_01a0b81c-86f9-76cf-97e8-dd6ba792dbd4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "join",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "join"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 05:21:12.358439+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “join” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0b81c-86f9-76cf-97e8-dd6ba792dbd4"
    },
    {
      "id": "chg_01a0b2f4-e8ec-7042-b0db-dcfd802c7eab",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "book_stats",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "book_stats"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 05:19:49.827532+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “book_stats” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0b2f4-e8ec-7042-b0db-dcfd802c7eab"
    },
    {
      "id": "chg_01a0b2f4-e8ec-78b1-8aed-46e508f5895a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_chain",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_chain"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 05:19:49.827532+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “get_chain” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0b2f4-e8ec-78b1-8aed-46e508f5895a"
    },
    {
      "id": "chg_01a0b2f4-e8ec-7df9-b9ca-040982818cb9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "join",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "join"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 05:19:49.827532+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “join” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0b2f4-e8ec-7df9-b9ca-040982818cb9"
    },
    {
      "id": "chg_01a0b2f4-e8ef-73e9-be96-86de673b4390",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "join_chain",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "join_chain"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 05:19:49.827532+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “join_chain” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0b2f4-e8ef-73e9-be96-86de673b4390"
    },
    {
      "id": "chg_01a0b2f4-e8f0-769a-8521-7ba6c748f4ec",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "leave",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "leave"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 05:19:49.827532+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “leave” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0b2f4-e8f0-769a-8521-7ba6c748f4ec"
    },
    {
      "id": "chg_01a0b2f4-e8f1-763d-a517-b1ae4d1b4ef4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_chains",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_chains"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 05:19:49.827532+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “list_chains” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0b2f4-e8f1-763d-a517-b1ae4d1b4ef4"
    },
    {
      "id": "chg_01a0b2f4-e8f1-7d3d-91e2-b129e6a1d365",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "park",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "park"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 05:19:49.827532+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “park” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0b2f4-e8f1-7d3d-91e2-b129e6a1d365"
    },
    {
      "id": "chg_01a0b2f4-e8f2-72dd-963e-3c993a030371",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "park_intent",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "park_intent"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 05:19:49.827532+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “park_intent” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0b2f4-e8f2-72dd-963e-3c993a030371"
    },
    {
      "id": "chg_01a0b2f4-e8f2-7713-b825-40f4a3a05670",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "status",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "status"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 05:19:49.827532+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “status” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0b2f4-e8f2-7713-b825-40f4a3a05670"
    },
    {
      "id": "chg_01a0b2f4-e8f3-79a8-9fc6-12426a469e35",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "waitlist",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "waitlist"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 05:19:49.827532+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “waitlist” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0b2f4-e8f3-79a8-9fc6-12426a469e35"
    },
    {
      "id": "chg_01a0b2f4-e8f4-797d-9534-3a1a5143d207",
      "kind": "tool.added",
      "family": "",
      "subject_kind": "tool",
      "subject": "release",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "release",
        "destructive": "true"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 05:19:49.827532+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "New tool “release”, which the server declares destructive",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0b2f4-e8f4-797d-9534-3a1a5143d207"
    },
    {
      "id": "chg_01a0b2f4-e8f6-73bd-a3af-0b3af39e4b20",
      "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": "2026-09-18",
      "occurred_at": "2026-09-18 05:19:49.827532+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0b2f4-e8f6-73bd-a3af-0b3af39e4b20"
    },
    {
      "id": "chg_01a0a898-48b2-7870-8fec-7defd8cfebaa",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_chains",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_chains"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 05:02:27.414053+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “list_chains” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0a898-48b2-7870-8fec-7defd8cfebaa"
    },
    {
      "id": "chg_01a0a898-48b5-7e17-b725-1cd0da7f3b4a",
      "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": "2026-09-16",
      "occurred_at": "2026-09-16 05:02:27.414053+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/space-btw-btw/btw#chg-chg_01a0a898-48b5-7e17-b725-1cd0da7f3b4a"
    }
  ],
  "days": [
    {
      "date": "2026-09-19",
      "total": 66,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-09-18",
      "total": 66,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 28
    },
    {
      "date": "2026-09-16",
      "total": 65,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 11
    },
    {
      "date": "2026-09-15",
      "total": 64,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 40,
        "to": 43,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 12,
          "to_days": 13
        },
        "partial": false,
        "compared_to": "2026-09-14",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 40 to 43. That category is still filling its 30-day observation window: 12 days of observed history at the previous scan, 13 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-12",
      "total": 63,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 30,
        "to": 33,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 9,
          "to_days": 10
        },
        "partial": false,
        "compared_to": "2026-09-11",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 30 to 33. That category is still filling its 30-day observation window: 9 days of observed history at the previous scan, 10 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-10",
      "total": 62,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 23,
        "to": 27,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 7,
          "to_days": 8
        },
        "partial": false,
        "compared_to": "2026-09-09",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-08",
      "total": 61,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 17,
        "to": 20,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 5,
          "to_days": 6
        },
        "partial": false,
        "compared_to": "2026-09-07",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 17 to 20. That category is still filling its 30-day observation window: 5 days of observed history at the previous scan, 6 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-06",
      "total": 60,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 10,
        "to": 13,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 3,
          "to_days": 4
        },
        "partial": false,
        "compared_to": "2026-09-05",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 10 to 13. That category is still filling its 30-day observation window: 3 days of observed history at the previous scan, 4 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}