{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "it-machinesignal-discovery",
  "component": "mcp",
  "generated_at": "2026-09-21T09:27:52.557Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 17,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0702f-5850-70ab-981a-c6132ecd4e5d",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 06:09:05.78042+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "HSTS header (unverified → fail)",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_01a0702f-5850-70ab-981a-c6132ecd4e5d"
    },
    {
      "id": "chg_01a0702f-5851-749a-b858-27b49ad4ee47",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 06:09:05.78042+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_01a0702f-5851-749a-b858-27b49ad4ee47"
    },
    {
      "id": "chg_01a0702f-5853-74ef-9a42-8b5164d63907",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.unreachable",
      "to_code": "auth.none_no_destructive",
      "from_value": "unverified",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 06:09:05.78042+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_01a0702f-5853-74ef-9a42-8b5164d63907"
    },
    {
      "id": "chg_01a0702f-5853-7a3d-bc50-0b9b53d64a47",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 06:09:05.78042+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_01a0702f-5853-7a3d-bc50-0b9b53d64a47"
    },
    {
      "id": "chg_01a0702f-5853-7ecf-bd75-be948522be81",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 06:09:05.78042+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Stability (unverified → pass)",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_01a0702f-5853-7ecf-bd75-be948522be81"
    },
    {
      "id": "chg_01a0702f-5854-74b8-a027-5e046de97b67",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 06:09:05.78042+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "TLS certificate (unverified → pass)",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_01a0702f-5854-74b8-a027-5e046de97b67"
    },
    {
      "id": "chg_01a06b09-8122-7ab3-bef6-e5fe694c3e5a",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 06:09:40.021242+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "HSTS header (fail → unverified)",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_01a06b09-8122-7ab3-bef6-e5fe694c3e5a"
    },
    {
      "id": "chg_01a06b09-8123-7810-917a-01aca4f3a15b",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 06:09:40.021242+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Stability (pass → unverified)",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_01a06b09-8123-7810-917a-01aca4f3a15b"
    },
    {
      "id": "chg_01a06b09-8123-7c2c-97df-ec730dc6acf4",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_no_destructive",
      "to_code": "auth.unreachable",
      "from_value": "partial",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 06:09:40.021242+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_01a06b09-8123-7c2c-97df-ec730dc6acf4"
    },
    {
      "id": "chg_01a06b09-8124-710d-a735-648f14530f70",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 06:09:40.021242+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_01a06b09-8124-710d-a735-648f14530f70"
    },
    {
      "id": "chg_01a06b09-8124-754c-9568-ed8652cc7103",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 06:09:40.021242+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "TLS certificate (pass → unverified)",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_01a06b09-8124-754c-9568-ed8652cc7103"
    },
    {
      "id": "chg_01a06b09-8124-7919-8213-69e0a8ea8d53",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 06:09:40.021242+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_01a06b09-8124-7919-8213-69e0a8ea8d53"
    },
    {
      "id": "chg_01a06b09-8125-79e7-ae95-665a86b9eea5",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 06:09:40.021242+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → unreachable)",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_01a06b09-8125-79e7-ae95-665a86b9eea5"
    },
    {
      "id": "chg_01a03789-0345-7015-bdbf-c55c667efdcf",
      "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 06:08:41.19082+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_01a03789-0345-7015-bdbf-c55c667efdcf"
    },
    {
      "id": "chg_019faddf-4223-7d79-968f-ddbd99cc79ad",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "check_buyer_fit",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "check_buyer_fit"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 12:35:17.627388+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “check_buyer_fit” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_019faddf-4223-7d79-968f-ddbd99cc79ad"
    },
    {
      "id": "chg_019faddf-4224-7f3c-9fe8-ab314a17d129",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_product_catalog",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_product_catalog"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 12:35:17.627388+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “get_product_catalog” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_019faddf-4224-7f3c-9fe8-ab314a17d129"
    },
    {
      "id": "chg_019faddf-4225-7745-88ed-1b8399069dd3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_synthetic_example",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_synthetic_example"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 12:35:17.627388+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “get_synthetic_example” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/it-machinesignal-discovery/mcp#chg-chg_019faddf-4225-7745-88ed-1b8399069dd3"
    }
  ],
  "days": [
    {
      "date": "2026-09-05",
      "total": 87,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 10
    },
    {
      "date": "2026-09-04",
      "total": 87,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 10
    },
    {
      "date": "2026-08-26",
      "total": 87,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 87,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-11",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-07-31",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-07-29",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-07-27",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}