{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "estate-cubi-cubi-properties",
  "component": "mcp",
  "generated_at": "2026-10-23T21:12:41.888Z",
  "tracking_since": "2026-10-01",
  "counts": {
    "critical": 0,
    "security": 12,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a167e4-b2c9-7e62-8585-8439c67fcec4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "filter_listings",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "filter_listings"
      },
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 08:33:23.633892+00",
      "observed_since": "2026-10-22",
      "source": "scan",
      "summary": "Tool “filter_listings” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/estate-cubi-cubi-properties/mcp#chg-chg_01a167e4-b2c9-7e62-8585-8439c67fcec4"
    },
    {
      "id": "chg_01a15870-9620-7619-a948-c195c028647b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "filter_listings",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "filter_listings"
      },
      "occurred_on": "2026-10-20",
      "occurred_at": "2026-10-20 08:32:15.888482+00",
      "observed_since": "2026-10-19",
      "source": "scan",
      "summary": "Tool “filter_listings” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/estate-cubi-cubi-properties/mcp#chg-chg_01a15870-9620-7619-a948-c195c028647b"
    },
    {
      "id": "chg_01a13994-dd69-71a2-aee3-a4cea9b453b8",
      "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": "2026-10-14",
      "occurred_at": "2026-10-14 08:43:38.443713+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/estate-cubi-cubi-properties/mcp#chg-chg_01a13994-dd69-71a2-aee3-a4cea9b453b8"
    },
    {
      "id": "chg_01a105ed-6d78-79bb-b076-a513f2f610a8",
      "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": "2026-10-04",
      "occurred_at": "2026-10-04 08:00:08.445154+00",
      "observed_since": "2026-10-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/estate-cubi-cubi-properties/mcp#chg-chg_01a105ed-6d78-79bb-b076-a513f2f610a8"
    },
    {
      "id": "chg_01a100c7-1109-719b-97c5-47bef08bb1e1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "filter_listings",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "filter_listings"
      },
      "occurred_on": "2026-10-03",
      "occurred_at": "2026-10-03 08:00:08.117992+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “filter_listings” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/estate-cubi-cubi-properties/mcp#chg-chg_01a100c7-1109-719b-97c5-47bef08bb1e1"
    },
    {
      "id": "chg_01a100c7-110a-74b6-ba53-9306cca27e08",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_listing",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_listing"
      },
      "occurred_on": "2026-10-03",
      "occurred_at": "2026-10-03 08:00:08.117992+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “get_listing” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/estate-cubi-cubi-properties/mcp#chg-chg_01a100c7-110a-74b6-ba53-9306cca27e08"
    },
    {
      "id": "chg_01a100c7-110a-7a04-9e70-20a1c394a535",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_properties",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_properties"
      },
      "occurred_on": "2026-10-03",
      "occurred_at": "2026-10-03 08:00:08.117992+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “search_properties” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/estate-cubi-cubi-properties/mcp#chg-chg_01a100c7-110a-7a04-9e70-20a1c394a535"
    },
    {
      "id": "chg_01a0fba0-c8f9-7740-8704-f7a33fb251af",
      "kind": "check.reverified",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.churn",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "1",
        "added": "1",
        "breaks": "0",
        "removed": "1",
        "auth_transport": "0"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 08:00:13.285929+00",
      "observed_since": "2026-10-01",
      "source": "scan",
      "summary": "Stability (unverified → fail)",
      "link": "https://verifymcp.io/servers/estate-cubi-cubi-properties/mcp#chg-chg_01a0fba0-c8f9-7740-8704-f7a33fb251af"
    },
    {
      "id": "chg_01a0fba0-c8fa-7724-92d6-a5177156621e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "filter_listings",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "filter_listings"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 08:00:13.285929+00",
      "observed_since": "2026-10-01",
      "source": "scan",
      "summary": "Tool “filter_listings” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/estate-cubi-cubi-properties/mcp#chg-chg_01a0fba0-c8fa-7724-92d6-a5177156621e"
    },
    {
      "id": "chg_01a0fba0-c8fb-7309-af84-6e11814121df",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_listing",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_listing"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 08:00:13.285929+00",
      "observed_since": "2026-10-01",
      "source": "scan",
      "summary": "Tool “get_listing” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/estate-cubi-cubi-properties/mcp#chg-chg_01a0fba0-c8fb-7309-af84-6e11814121df"
    },
    {
      "id": "chg_01a0fba0-c8fb-7cea-aadf-26fac2446fac",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "raise_stats",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "raise_stats"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 08:00:13.285929+00",
      "observed_since": "2026-10-01",
      "source": "scan",
      "summary": "Tool “raise_stats” was removed",
      "link": "https://verifymcp.io/servers/estate-cubi-cubi-properties/mcp#chg-chg_01a0fba0-c8fb-7cea-aadf-26fac2446fac"
    },
    {
      "id": "chg_01a0fba0-c8fc-78a5-8f53-eb8812fead1e",
      "kind": "server.breaking_without_version_bump",
      "family": "",
      "subject_kind": "server",
      "subject": "1.30.0",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "1.30.0",
      "to_value": "1.30.0",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "removed": "1",
        "version": "1.30.0",
        "breaking": "0"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 08:00:13.285929+00",
      "observed_since": "2026-10-01",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.30.0)",
      "link": "https://verifymcp.io/servers/estate-cubi-cubi-properties/mcp#chg-chg_01a0fba0-c8fc-78a5-8f53-eb8812fead1e"
    }
  ],
  "days": [
    {
      "date": "2026-10-23",
      "total": 72,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-10-22",
      "total": 72,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 53,
        "to": 56,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-21",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 53 to 56."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-20",
      "total": 71,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-10-18",
      "total": 70,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 39,
        "to": 43,
        "delta": 4,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-17",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 39 to 43."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-16",
      "total": 69,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 33,
        "to": 36,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-15",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 33 to 36."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-14",
      "total": 68,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-10-13",
      "total": 68,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 23,
        "to": 26,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-12",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 23 to 26."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-12",
      "total": 67,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 16,
        "to": 23,
        "delta": 7,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-10",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 16 to 23."
      },
      "event_count": 0
    }
  ]
}