{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "io-snowsignals-snowsignals",
  "component": "snowsignals",
  "generated_at": "2026-09-24T21:39:11.137Z",
  "tracking_since": "2026-09-06",
  "counts": {
    "critical": 0,
    "security": 12,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0b8b4-6320-76d0-ad0b-84595311c9ea",
      "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 08:07:04.558129+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/io-snowsignals-snowsignals/snowsignals#chg-chg_01a0b8b4-6320-76d0-ad0b-84595311c9ea"
    },
    {
      "id": "chg_01a0b38e-dae2-73ee-8250-883898d65e24",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.37",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "12",
        "added": "8",
        "breaks": "0",
        "removed": "8",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 08:07:58.703415+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Stability (0.37 → fail)",
      "link": "https://verifymcp.io/servers/io-snowsignals-snowsignals/snowsignals#chg-chg_01a0b38e-dae2-73ee-8250-883898d65e24"
    },
    {
      "id": "chg_01a0b38e-dae3-7846-94af-43ec2733aca0",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "compose_phases",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "compose_phases"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 08:07:58.703415+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “compose_phases” was removed",
      "link": "https://verifymcp.io/servers/io-snowsignals-snowsignals/snowsignals#chg-chg_01a0b38e-dae3-7846-94af-43ec2733aca0"
    },
    {
      "id": "chg_01a0b38e-dae3-7e67-8c2f-7f3d9e4407e5",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deposit_poll",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "deposit_poll"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 08:07:58.703415+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “deposit_poll” was removed",
      "link": "https://verifymcp.io/servers/io-snowsignals-snowsignals/snowsignals#chg-chg_01a0b38e-dae3-7e67-8c2f-7f3d9e4407e5"
    },
    {
      "id": "chg_01a0b38e-dae4-7544-b516-0fb91a4f1c1f",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_balance",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_balance"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 08:07:58.703415+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “get_balance” was removed",
      "link": "https://verifymcp.io/servers/io-snowsignals-snowsignals/snowsignals#chg-chg_01a0b38e-dae4-7544-b516-0fb91a4f1c1f"
    },
    {
      "id": "chg_01a0b38e-dae4-7aa2-a8b3-bda3c857d1c7",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_notifications",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_notifications"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 08:07:58.703415+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “get_notifications” was removed",
      "link": "https://verifymcp.io/servers/io-snowsignals-snowsignals/snowsignals#chg-chg_01a0b38e-dae4-7aa2-a8b3-bda3c857d1c7"
    },
    {
      "id": "chg_01a0b38e-dae4-7f39-8130-e8a291355b24",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_phase",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_phase"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 08:07:58.703415+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “get_phase” was removed",
      "link": "https://verifymcp.io/servers/io-snowsignals-snowsignals/snowsignals#chg-chg_01a0b38e-dae4-7f39-8130-e8a291355b24"
    },
    {
      "id": "chg_01a0b38e-dae5-7509-a9aa-a2436ad8f2a4",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_usage",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_usage"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 08:07:58.703415+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “get_usage” was removed",
      "link": "https://verifymcp.io/servers/io-snowsignals-snowsignals/snowsignals#chg-chg_01a0b38e-dae5-7509-a9aa-a2436ad8f2a4"
    },
    {
      "id": "chg_01a0b38e-dae5-790f-b932-9b9bebbcf81a",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_phase_meta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "list_phase_meta"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 08:07:58.703415+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “list_phase_meta” was removed",
      "link": "https://verifymcp.io/servers/io-snowsignals-snowsignals/snowsignals#chg-chg_01a0b38e-dae5-790f-b932-9b9bebbcf81a"
    },
    {
      "id": "chg_01a0b38e-dae5-7d7f-84b0-71dfd106d279",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "phase_resolution_stats",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "phase_resolution_stats"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 08:07:58.703415+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “phase_resolution_stats” was removed",
      "link": "https://verifymcp.io/servers/io-snowsignals-snowsignals/snowsignals#chg-chg_01a0b38e-dae5-7d7f-84b0-71dfd106d279"
    },
    {
      "id": "chg_01a0b38e-dae8-7ce0-b9f2-8528e37fd753",
      "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 08:07:58.703415+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/io-snowsignals-snowsignals/snowsignals#chg-chg_01a0b38e-dae8-7ce0-b9f2-8528e37fd753"
    },
    {
      "id": "chg_01a0b38e-dae9-72ed-a005-6c47dfd68504",
      "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": "8",
        "version": "1.0.0",
        "breaking": "0"
      },
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 08:07:58.703415+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/io-snowsignals-snowsignals/snowsignals#chg-chg_01a0b38e-dae9-72ed-a005-6c47dfd68504"
    }
  ],
  "days": [
    {
      "date": "2026-09-19",
      "total": 78,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-09-18",
      "total": 78,
      "delta": -5,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 19
    },
    {
      "date": "2026-09-16",
      "total": 83,
      "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": "2026-09-15",
        "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": "2026-09-14",
      "total": 82,
      "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": "2026-09-13",
        "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": "2026-09-11",
      "total": 81,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 13,
        "to": 17,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 4,
          "to_days": 5
        },
        "partial": false,
        "compared_to": "2026-09-10",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 13 to 17. That category is still filling its 30-day observation window: 4 days of observed history at the previous scan, 5 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-09",
      "total": 80,
      "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": "2026-09-08",
        "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": "2026-09-07",
      "total": 79,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-06",
      "total": 78,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}