{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-tomorrowcentral-aws-cloud-cost-sentinel",
  "component": "api",
  "generated_at": "2026-09-20T17:40:03.816Z",
  "tracking_since": "2026-08-12",
  "counts": {
    "critical": 0,
    "security": 15,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a08edd-8e4b-7b53-abf4-7ce62c50e345",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 05:07:59.572989+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/com-tomorrowcentral-aws-cloud-cost-sentinel/api#chg-chg_01a08edd-8e4b-7b53-abf4-7ce62c50e345"
    },
    {
      "id": "chg_01a08edd-8e51-70c3-bc7f-6f13871ce997",
      "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": "2026-09-11",
      "occurred_at": "2026-09-11 05:07:59.572989+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-tomorrowcentral-aws-cloud-cost-sentinel/api#chg-chg_01a08edd-8e51-70c3-bc7f-6f13871ce997"
    },
    {
      "id": "chg_01a0751c-8b60-72f9-912f-bfc0805f565f",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 05:06:39.94242+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/com-tomorrowcentral-aws-cloud-cost-sentinel/api#chg-chg_01a0751c-8b60-72f9-912f-bfc0805f565f"
    },
    {
      "id": "chg_01a0751c-8b61-7124-8a58-81df1d6a16f4",
      "kind": "check.appeared",
      "family": "auth-registration",
      "subject_kind": "check",
      "subject": "auth-registration",
      "subject_child": "",
      "from_code": null,
      "to_code": "auth.registration_cimd",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 05:06:39.94242+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "First check of Authorization (pass)",
      "link": "https://verifymcp.io/servers/com-tomorrowcentral-aws-cloud-cost-sentinel/api#chg-chg_01a0751c-8b61-7124-8a58-81df1d6a16f4"
    },
    {
      "id": "chg_01a06acf-f31d-7639-920b-d22366f05b29",
      "kind": "check.reverified",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.inconclusive",
      "to_code": "headers.hsts_absent",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 05:06:48.121783+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "HSTS header (unverified → fail)",
      "link": "https://verifymcp.io/servers/com-tomorrowcentral-aws-cloud-cost-sentinel/api#chg-chg_01a06acf-f31d-7639-920b-d22366f05b29"
    },
    {
      "id": "chg_01a06acf-f31e-7291-848a-3952b0220ddb",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.unreachable",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 05:06:48.121783+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/com-tomorrowcentral-aws-cloud-cost-sentinel/api#chg-chg_01a06acf-f31e-7291-848a-3952b0220ddb"
    },
    {
      "id": "chg_01a06acf-f31e-779d-83af-69b994de1e85",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 05:06:48.121783+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/com-tomorrowcentral-aws-cloud-cost-sentinel/api#chg-chg_01a06acf-f31e-779d-83af-69b994de1e85"
    },
    {
      "id": "chg_01a06acf-f31e-7c7a-a817-0dfd38a81463",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.unreachable",
      "to_code": "auth.none_undeclared",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "auth": "none",
        "undeclared_tools": "7"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 05:06:48.121783+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 7 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/com-tomorrowcentral-aws-cloud-cost-sentinel/api#chg-chg_01a06acf-f31e-7c7a-a817-0dfd38a81463"
    },
    {
      "id": "chg_01a065aa-0ca1-7165-92ee-5c5ec115c9ad",
      "kind": "check.unverifiable",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_absent",
      "to_code": "headers.inconclusive",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 05:07:18.131038+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "HSTS header (fail → unverified)",
      "link": "https://verifymcp.io/servers/com-tomorrowcentral-aws-cloud-cost-sentinel/api#chg-chg_01a065aa-0ca1-7165-92ee-5c5ec115c9ad"
    },
    {
      "id": "chg_01a065aa-0ca2-7cff-a983-43a4c558a04d",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.70",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 05:07:18.131038+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Stability (0.70 → unverified)",
      "link": "https://verifymcp.io/servers/com-tomorrowcentral-aws-cloud-cost-sentinel/api#chg-chg_01a065aa-0ca2-7cff-a983-43a4c558a04d"
    },
    {
      "id": "chg_01a065aa-0ca3-7369-8144-0e335d523891",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 05:07:18.131038+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/com-tomorrowcentral-aws-cloud-cost-sentinel/api#chg-chg_01a065aa-0ca3-7369-8144-0e335d523891"
    },
    {
      "id": "chg_01a065aa-0ca3-799a-b345-2754edba2af4",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.unreachable",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 05:07:18.131038+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/com-tomorrowcentral-aws-cloud-cost-sentinel/api#chg-chg_01a065aa-0ca3-799a-b345-2754edba2af4"
    },
    {
      "id": "chg_01a065aa-0ca5-70d0-b90d-e82bd1862986",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.unreachable",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 05:07:18.131038+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Authorization (Authorisation not yet verified: we couldn't confirm whether this endpoint requires it.)",
      "link": "https://verifymcp.io/servers/com-tomorrowcentral-aws-cloud-cost-sentinel/api#chg-chg_01a065aa-0ca5-70d0-b90d-e82bd1862986"
    },
    {
      "id": "chg_01a065aa-0ca7-7124-be9e-929e852af143",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "unreachable",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "unreachable",
        "from": "verified"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 05:07:18.131038+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → unreachable)",
      "link": "https://verifymcp.io/servers/com-tomorrowcentral-aws-cloud-cost-sentinel/api#chg-chg_01a065aa-0ca7-7124-be9e-929e852af143"
    },
    {
      "id": "chg_019ffeab-5598-7535-bf75-d91b49b04204",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_job_result",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_job_result"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 05:07:49.094462+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “get_job_result” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-tomorrowcentral-aws-cloud-cost-sentinel/api#chg-chg_019ffeab-5598-7535-bf75-d91b49b04204"
    }
  ],
  "days": [
    {
      "date": "2026-09-11",
      "total": 87,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 11
    },
    {
      "date": "2026-09-10",
      "total": 87,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 93,
        "to": 97,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 28,
          "to_days": 29
        },
        "partial": false,
        "compared_to": "2026-09-09",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-09",
      "total": 86,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-08",
      "total": 86,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 87,
        "to": 90,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 26,
          "to_days": 27
        },
        "partial": false,
        "compared_to": "2026-09-07",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 87 to 90. That category is still filling its 30-day observation window: 26 days of observed history at the previous scan, 27 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-06",
      "total": 85,
      "delta": 15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-04",
      "total": 70,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-09-03",
      "total": 69,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 9
    },
    {
      "date": "2026-09-01",
      "total": 69,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 63,
        "to": 67,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 19,
          "to_days": 20
        },
        "partial": false,
        "compared_to": "2026-08-31",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 63 to 67. That category is still filling its 30-day observation window: 19 days of observed history at the previous scan, 20 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}