{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "trade-rubin-exchange",
  "component": "mcp",
  "generated_at": "2026-09-24T15:09:11.327Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 2,
    "security": 30,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0ace5-e551-7308-9ab7-ee7e5f056f31",
      "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": "2026-09-17",
      "occurred_at": "2026-09-17 01:05:42.640801+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a0ace5-e551-7308-9ab7-ee7e5f056f31"
    },
    {
      "id": "chg_01a088d9-6fce-7cfd-a540-34bffc7b8fcd",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.unreachable",
      "to_code": "auth.none_destructive",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "cancel_order"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 01:05:46.39848+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a088d9-6fce-7cfd-a540-34bffc7b8fcd"
    },
    {
      "id": "chg_01a088d9-6fd0-708d-a2bf-4df3359f5390",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 01:05:46.39848+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "HSTS header (unverified → fail)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a088d9-6fd0-708d-a2bf-4df3359f5390"
    },
    {
      "id": "chg_01a088d9-6fd0-7695-a96a-08386817dabe",
      "kind": "check.reverified",
      "family": "dnssec",
      "subject_kind": "check",
      "subject": "dnssec",
      "subject_child": "",
      "from_code": "dnssec.inconclusive",
      "to_code": "dnssec.absent",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 01:05:46.39848+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "DNSSEC (unverified → fail)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a088d9-6fd0-7695-a96a-08386817dabe"
    },
    {
      "id": "chg_01a088d9-6fd1-7046-9089-1a3f510ee0e6",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 01:05:46.39848+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a088d9-6fd1-7046-9089-1a3f510ee0e6"
    },
    {
      "id": "chg_01a088d9-6fd1-7579-8072-37a9ba951559",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 01:05:46.39848+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a088d9-6fd1-7579-8072-37a9ba951559"
    },
    {
      "id": "chg_01a088d9-6fd1-7b0d-9151-9f666ada2cab",
      "kind": "check.reverified",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.stable",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 01:05:46.39848+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Stability (unverified → pass)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a088d9-6fd1-7b0d-9151-9f666ada2cab"
    },
    {
      "id": "chg_01a088d9-6fd2-7079-8f32-6d6cffdc84e7",
      "kind": "check.reverified",
      "family": "tls",
      "subject_kind": "check",
      "subject": "tls",
      "subject_child": "",
      "from_code": "tls.unreachable",
      "to_code": "tls.valid",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 01:05:46.39848+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "TLS certificate (unverified → pass)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a088d9-6fd2-7079-8f32-6d6cffdc84e7"
    },
    {
      "id": "chg_01a083b2-dff2-7613-a185-e2a93c46c979",
      "kind": "check.unverifiable",
      "family": "dnssec",
      "subject_kind": "check",
      "subject": "dnssec",
      "subject_child": "",
      "from_code": "dnssec.absent",
      "to_code": "dnssec.inconclusive",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 01:05:33.128554+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "DNSSEC (fail → unverified)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a083b2-dff2-7613-a185-e2a93c46c979"
    },
    {
      "id": "chg_01a083b2-dff3-7b95-ae7e-801c266c1820",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.unreachable",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 01:05:33.128554+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a083b2-dff3-7b95-ae7e-801c266c1820"
    },
    {
      "id": "chg_01a083b2-dff4-7191-9e63-196e7a66d69a",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 01:05:33.128554+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "HSTS header (fail → unverified)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a083b2-dff4-7191-9e63-196e7a66d69a"
    },
    {
      "id": "chg_01a083b2-dff4-7989-bf15-dae9da19a68d",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.insufficient_history",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 01:05:33.128554+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (pass → unverified)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a083b2-dff4-7989-bf15-dae9da19a68d"
    },
    {
      "id": "chg_01a083b2-dff4-7ea6-8a8d-93cff1da351a",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 01:05:33.128554+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a083b2-dff4-7ea6-8a8d-93cff1da351a"
    },
    {
      "id": "chg_01a083b2-dff5-7375-b480-1b621b0789d6",
      "kind": "check.unverifiable",
      "family": "tls",
      "subject_kind": "check",
      "subject": "tls",
      "subject_child": "",
      "from_code": "tls.valid",
      "to_code": "tls.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 01:05:33.128554+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "TLS certificate (pass → unverified)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a083b2-dff5-7375-b480-1b621b0789d6"
    },
    {
      "id": "chg_01a083b2-dff6-7608-9c3b-714b20093cb6",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 01:05:33.128554+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a083b2-dff6-7608-9c3b-714b20093cb6"
    },
    {
      "id": "chg_01a083b2-dff8-7303-8a51-fe3d1f4b2cbd",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 01:05:33.128554+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → unreachable)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a083b2-dff8-7303-8a51-fe3d1f4b2cbd"
    },
    {
      "id": "chg_01a03673-6b6c-7e8b-94a4-b1645c1bbc99",
      "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": "2026-08-25",
      "occurred_at": "2026-08-25 01:05:28.865461+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a03673-6b6c-7e8b-94a4-b1645c1bbc99"
    },
    {
      "id": "chg_01a0314d-40e7-7ad2-9f5a-cf703160c5ec",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_balance",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_balance"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 01:05:41.566143+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “get_balance” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a0314d-40e7-7ad2-9f5a-cf703160c5ec"
    },
    {
      "id": "chg_01a0314d-40e8-7464-a5f9-7232493906e1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "whoami",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "whoami"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 01:05:41.566143+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “whoami” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a0314d-40e8-7464-a5f9-7232493906e1"
    },
    {
      "id": "chg_01a0314d-40ec-7d55-893d-ee9173b19db8",
      "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": "2026-08-24",
      "occurred_at": "2026-08-24 01:05:41.566143+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a0314d-40ec-7d55-893d-ee9173b19db8"
    },
    {
      "id": "chg_01a01267-6ddc-728a-9101-1f7cab128e42",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.unreachable",
      "to_code": "auth.none_destructive",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "cancel_order"
      },
      "occurred_on": "2026-08-18",
      "occurred_at": "2026-08-18 01:06:03.288241+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a01267-6ddc-728a-9101-1f7cab128e42"
    },
    {
      "id": "chg_01a01267-6ddd-7245-93da-0b42ada9cbde",
      "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": "2026-08-18",
      "occurred_at": "2026-08-18 01:06:03.288241+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "HSTS header (unverified → fail)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a01267-6ddd-7245-93da-0b42ada9cbde"
    },
    {
      "id": "chg_01a01267-6dde-7d1c-a4e0-fce7d3941688",
      "kind": "check.reverified",
      "family": "dnssec",
      "subject_kind": "check",
      "subject": "dnssec",
      "subject_child": "",
      "from_code": "dnssec.inconclusive",
      "to_code": "dnssec.absent",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-18",
      "occurred_at": "2026-08-18 01:06:03.288241+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "DNSSEC (unverified → fail)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a01267-6dde-7d1c-a4e0-fce7d3941688"
    },
    {
      "id": "chg_01a01267-6de0-7171-b8bf-f6e67fb2a262",
      "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": "2026-08-18",
      "occurred_at": "2026-08-18 01:06:03.288241+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a01267-6de0-7171-b8bf-f6e67fb2a262"
    },
    {
      "id": "chg_01a01267-6de2-7a67-af3a-9e26fca3b38d",
      "kind": "check.reverified",
      "family": "tls",
      "subject_kind": "check",
      "subject": "tls",
      "subject_child": "",
      "from_code": "tls.unreachable",
      "to_code": "tls.valid",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-18",
      "occurred_at": "2026-08-18 01:06:03.288241+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "TLS certificate (unverified → pass)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a01267-6de2-7a67-af3a-9e26fca3b38d"
    },
    {
      "id": "chg_01a002f4-a640-7cc6-9367-ec07ec8566fe",
      "kind": "check.unverifiable",
      "family": "dnssec",
      "subject_kind": "check",
      "subject": "dnssec",
      "subject_child": "",
      "from_code": "dnssec.absent",
      "to_code": "dnssec.inconclusive",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-15",
      "occurred_at": "2026-08-15 01:06:22.81529+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "DNSSEC (fail → unverified)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a002f4-a640-7cc6-9367-ec07ec8566fe"
    },
    {
      "id": "chg_01a002f4-a643-7b68-a1ec-da0da6347f88",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.unreachable",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-15",
      "occurred_at": "2026-08-15 01:06:22.81529+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a002f4-a643-7b68-a1ec-da0da6347f88"
    },
    {
      "id": "chg_01a002f4-a644-718a-843a-ccd9d76d9e47",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.63",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-15",
      "occurred_at": "2026-08-15 01:06:22.81529+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "Stability (0.63 → unverified)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a002f4-a644-718a-843a-ccd9d76d9e47"
    },
    {
      "id": "chg_01a002f4-a647-75e2-8530-d0bc66e2da5a",
      "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": "2026-08-15",
      "occurred_at": "2026-08-15 01:06:22.81529+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "HSTS header (fail → unverified)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a002f4-a647-75e2-8530-d0bc66e2da5a"
    },
    {
      "id": "chg_01a002f4-a647-7a39-b5f0-724608863caa",
      "kind": "check.unverifiable",
      "family": "tls",
      "subject_kind": "check",
      "subject": "tls",
      "subject_child": "",
      "from_code": "tls.valid",
      "to_code": "tls.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-15",
      "occurred_at": "2026-08-15 01:06:22.81529+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "TLS certificate (pass → unverified)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a002f4-a647-7a39-b5f0-724608863caa"
    },
    {
      "id": "chg_01a002f4-a648-7086-83df-891cb3c476f5",
      "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": "2026-08-15",
      "occurred_at": "2026-08-15 01:06:22.81529+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a002f4-a648-7086-83df-891cb3c476f5"
    },
    {
      "id": "chg_01a002f4-a64a-7e3e-9b0f-132e4d6de5f9",
      "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": "2026-08-15",
      "occurred_at": "2026-08-15 01:06:22.81529+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → unreachable)",
      "link": "https://verifymcp.io/servers/trade-rubin-exchange/mcp#chg-chg_01a002f4-a64a-7e3e-9b0f-132e4d6de5f9"
    }
  ],
  "days": [
    {
      "date": "2026-09-17",
      "total": 79,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-15",
      "total": 78,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 90,
        "to": 93,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 27,
          "to_days": 28
        },
        "partial": false,
        "compared_to": "2026-09-14",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 90 to 93. That category is still filling its 30-day observation window: 27 days of observed history at the previous scan, 28 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-14",
      "total": 77,
      "delta": -2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-10",
      "total": 79,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 11
    },
    {
      "date": "2026-09-09",
      "total": 79,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 11
    },
    {
      "date": "2026-08-26",
      "total": 79,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-24",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 17
    }
  ]
}