{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "ca-artsdata-mcp",
  "component": "mcp",
  "generated_at": "2026-09-20T16:38:52.126Z",
  "tracking_since": "2026-08-28",
  "counts": {
    "critical": 0,
    "security": 9,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0b921-c5a4-739c-9463-e1843b101f90",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_events",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_events"
      },
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 10:06:33.331818+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “search_events” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ca-artsdata-mcp/mcp#chg-chg_01a0b921-c5a4-739c-9463-e1843b101f90"
    },
    {
      "id": "chg_01a0b3fb-f202-7594-81b7-8798d93d4538",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_entities",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_entities"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 10:07:07.948131+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “search_entities” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ca-artsdata-mcp/mcp#chg-chg_01a0b3fb-f202-7594-81b7-8798d93d4538"
    },
    {
      "id": "chg_01a0b3fb-f203-7a37-b3db-b963bfc20f97",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_events",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_events"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 10:07:07.948131+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “search_events” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ca-artsdata-mcp/mcp#chg-chg_01a0b3fb-f203-7a37-b3db-b963bfc20f97"
    },
    {
      "id": "chg_01a0aed5-41c5-71c3-8537-f4126ec51da9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_events",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_events"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 10:06:45.998946+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “search_events” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ca-artsdata-mcp/mcp#chg-chg_01a0aed5-41c5-71c3-8537-f4126ec51da9"
    },
    {
      "id": "chg_01a09515-96e2-7254-bf96-d928252ca159",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 10:06:55.017082+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ca-artsdata-mcp/mcp#chg-chg_01a09515-96e2-7254-bf96-d928252ca159"
    },
    {
      "id": "chg_01a0807c-8b86-7718-8335-e3bf8cb0d5a2",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 10:07:20.541619+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ca-artsdata-mcp/mcp#chg-chg_01a0807c-8b86-7718-8335-e3bf8cb0d5a2"
    },
    {
      "id": "chg_01a05224-fa98-7497-bde5-02926b01ead9",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 10:09:09.886144+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/ca-artsdata-mcp/mcp#chg-chg_01a05224-fa98-7497-bde5-02926b01ead9"
    },
    {
      "id": "chg_01a05224-fa99-74d2-aa37-ca8fa1bff5ee",
      "kind": "check.appeared",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": null,
      "to_code": "toolsafety.manipulation_clean",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "units": "4",
        "judged": "4"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 10:09:09.886144+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "First check of Judged manipulation (pass)",
      "link": "https://verifymcp.io/servers/ca-artsdata-mcp/mcp#chg-chg_01a05224-fa99-74d2-aa37-ca8fa1bff5ee"
    },
    {
      "id": "chg_01a05224-fa9a-7017-ac2b-d952398bbe43",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_undeclared",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "auth": "none",
        "undeclared_tools": "3"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 10:09:09.886144+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 3 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.)",
      "link": "https://verifymcp.io/servers/ca-artsdata-mcp/mcp#chg-chg_01a05224-fa9a-7017-ac2b-d952398bbe43"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 78,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 73,
        "to": 77,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 22,
          "to_days": 23
        },
        "partial": false,
        "compared_to": "2026-09-19",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 73 to 77. That category is still filling its 30-day observation window: 22 days of observed history at the previous scan, 23 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-19",
      "total": 77,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-18",
      "total": 77,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-09-17",
      "total": 77,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-09-16",
      "total": 76,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-09-15",
      "total": 76,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-09-14",
      "total": 76,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 53,
        "to": 57,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 16,
          "to_days": 17
        },
        "partial": false,
        "compared_to": "2026-09-13",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 53 to 57. That category is still filling its 30-day observation window: 16 days of observed history at the previous scan, 17 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-12",
      "total": 75,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    }
  ]
}