{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "co-terastudio-tera-studio",
  "component": "terastudio",
  "generated_at": "2026-11-05T10:38:58.619Z",
  "tracking_since": "2026-10-28",
  "counts": {
    "critical": 0,
    "security": 8,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a1a9a9-ccf2-78d9-9808-b904b2791cce",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_absent",
      "to_code": "headers.hsts_present",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-11-05",
      "occurred_at": "2026-11-05 03:03:59.966925+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "HSTS header (fail → pass)",
      "link": "https://verifymcp.io/servers/co-terastudio-tera-studio/terastudio#chg-chg_01a1a9a9-ccf2-78d9-9808-b904b2791cce"
    },
    {
      "id": "chg_01a19a37-5423-744c-94b8-77a5f8e264aa",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.13",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "5",
        "added": "2",
        "breaks": "0",
        "removed": "1",
        "auth_transport": "0"
      },
      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 03:04:39.679253+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Stability (0.13 → fail)",
      "link": "https://verifymcp.io/servers/co-terastudio-tera-studio/terastudio#chg-chg_01a19a37-5423-744c-94b8-77a5f8e264aa"
    },
    {
      "id": "chg_01a19a37-5424-79bb-b562-86075a9e2ec8",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "start_song_in_my_voice",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "start_song_in_my_voice"
      },
      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 03:04:39.679253+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Tool “start_song_in_my_voice” was removed",
      "link": "https://verifymcp.io/servers/co-terastudio-tera-studio/terastudio#chg-chg_01a19a37-5424-79bb-b562-86075a9e2ec8"
    },
    {
      "id": "chg_01a19a37-5425-79a9-a8fb-bfc79c445c52",
      "kind": "resource.uri_changed",
      "family": "",
      "subject_kind": "resource",
      "subject": "song-key-tool",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "ui://tera-studio/song-key-v1.html",
      "to_value": "ui://tera-studio/song-key-v1.1.2.html",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "ui://tera-studio/song-key-v1.1.2.html",
        "from": "ui://tera-studio/song-key-v1.html",
        "resource": "song-key-tool"
      },
      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 03:04:39.679253+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "Resource “song-key-tool” now points somewhere else (ui://tera-studio/song-key-v1.html → ui://tera-studio/song-key-v1.1.2.html)",
      "link": "https://verifymcp.io/servers/co-terastudio-tera-studio/terastudio#chg-chg_01a19a37-5425-79a9-a8fb-bfc79c445c52"
    },
    {
      "id": "chg_01a19a37-5425-7f23-8ba2-7236a514c943",
      "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": "2026-11-02",
      "occurred_at": "2026-11-02 03:04:39.679253+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/co-terastudio-tera-studio/terastudio#chg-chg_01a19a37-5425-7f23-8ba2-7236a514c943"
    },
    {
      "id": "chg_01a19a37-5426-7418-a9b9-3aa6def2d75b",
      "kind": "server.breaking_without_version_bump",
      "family": "",
      "subject_kind": "server",
      "subject": "1.0.0",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "1.0.0",
      "to_value": "1.0.0",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "removed": "1",
        "version": "1.0.0",
        "breaking": "0"
      },
      "occurred_on": "2026-11-02",
      "occurred_at": "2026-11-02 03:04:39.679253+00",
      "observed_since": "2026-11-01",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/co-terastudio-tera-studio/terastudio#chg-chg_01a19a37-5426-7418-a9b9-3aa6def2d75b"
    },
    {
      "id": "chg_01a1859e-a8c4-742b-b3ff-9fadda28a32f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "find_song_key_and_tempo",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "find_song_key_and_tempo"
      },
      "occurred_on": "2026-10-29",
      "occurred_at": "2026-10-29 03:05:29.865933+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "Tool “find_song_key_and_tempo” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/co-terastudio-tera-studio/terastudio#chg-chg_01a1859e-a8c4-742b-b3ff-9fadda28a32f"
    },
    {
      "id": "chg_01a1859e-a8c4-7e3b-a307-9e6962a25576",
      "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": "2026-10-29",
      "occurred_at": "2026-10-29 03:05:29.865933+00",
      "observed_since": "2026-10-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/co-terastudio-tera-studio/terastudio#chg-chg_01a1859e-a8c4-7e3b-a307-9e6962a25576"
    }
  ],
  "days": [
    {
      "date": "2026-11-05",
      "total": 75,
      "delta": 3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-11-02",
      "total": 72,
      "delta": -2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-10-31",
      "total": 74,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 7,
        "to": 10,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 2,
          "to_days": 3
        },
        "partial": false,
        "compared_to": "2026-10-30",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-29",
      "total": 73,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-10-28",
      "total": 73,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}