{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "cyanheads-npi-providers-mcp-server",
  "component": "npi-providers",
  "generated_at": "2026-09-21T07:17:43.889Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 12,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a03718-d075-7c3b-91bc-e9d2d9b350e2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "npi_search_providers",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "npi_search_providers"
      },
      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 04:06:08.132995+00",
      "observed_since": "2026-08-25",
      "source": "scan",
      "summary": "Tool “npi_search_providers” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-npi-providers-mcp-server/npi-providers#chg-chg_01a03718-d075-7c3b-91bc-e9d2d9b350e2"
    },
    {
      "id": "chg_01a03718-d073-73bd-873a-35a901e2ef11",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "npi_lookup_taxonomy",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "npi_lookup_taxonomy"
      },
      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 04:06:08.132995+00",
      "observed_since": "2026-08-25",
      "source": "scan",
      "summary": "Tool “npi_lookup_taxonomy” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-npi-providers-mcp-server/npi-providers#chg-chg_01a03718-d073-73bd-873a-35a901e2ef11"
    },
    {
      "id": "chg_01a03718-d071-7775-ab75-f3efa2027759",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.97",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "30",
        "added": "0",
        "breaks": "1",
        "removed": "0",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 04:06:08.132995+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-npi-providers-mcp-server/npi-providers#chg-chg_01a03718-d071-7775-ab75-f3efa2027759"
    },
    {
      "id": "chg_01a036e1-912f-7aef-955e-dd188761d910",
      "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 03:05:47.444231+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-npi-providers-mcp-server/npi-providers#chg-chg_01a036e1-912f-7aef-955e-dd188761d910"
    },
    {
      "id": "chg_019fe9a2-a3f6-7e21-91b4-5e925f0d5e88",
      "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": "2026-08-10",
      "occurred_at": "2026-08-10 03:06:17.913424+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "HSTS header (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-npi-providers-mcp-server/npi-providers#chg-chg_019fe9a2-a3f6-7e21-91b4-5e925f0d5e88"
    },
    {
      "id": "chg_019fe9a2-a3fd-7689-aa3a-9d8a58f9b3f4",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.http_error",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 03:06:17.913424+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-npi-providers-mcp-server/npi-providers#chg-chg_019fe9a2-a3fd-7689-aa3a-9d8a58f9b3f4"
    },
    {
      "id": "chg_019fe9a2-a3fe-739d-a401-682035375144",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_undeclared",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "auth": "none",
        "undeclared_tools": "3"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 03:06:17.913424+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 3 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/cyanheads-npi-providers-mcp-server/npi-providers#chg-chg_019fe9a2-a3fe-739d-a401-682035375144"
    },
    {
      "id": "chg_019fdf55-b014-7e0b-b64a-6dbbed5c108b",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.none_unlisted",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 03:06:02.596848+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn't read the tool list to see what that exposes.)",
      "link": "https://verifymcp.io/servers/cyanheads-npi-providers-mcp-server/npi-providers#chg-chg_019fdf55-b014-7e0b-b64a-6dbbed5c108b"
    },
    {
      "id": "chg_019fdf55-b014-786c-b17c-1eea8363bdb4",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_present",
      "to_code": "headers.hsts_absent",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 03:06:02.596848+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-npi-providers-mcp-server/npi-providers#chg-chg_019fdf55-b014-786c-b17c-1eea8363bdb4"
    },
    {
      "id": "chg_019fdf55-b013-706e-a0e1-d7649c2300ce",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.http_error",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "530",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 03:06:02.596848+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-npi-providers-mcp-server/npi-providers#chg-chg_019fdf55-b013-706e-a0e1-d7649c2300ce"
    },
    {
      "id": "chg_019fdf55-b014-727f-a9e7-dbd2cfd554f1",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.40",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 03:06:02.596848+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Stability (0.40 → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-npi-providers-mcp-server/npi-providers#chg-chg_019fdf55-b014-727f-a9e7-dbd2cfd554f1"
    },
    {
      "id": "chg_019fdf55-b016-72c0-97ce-01196b2c8212",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "not_mcp",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "not_mcp",
        "from": "verified"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 03:06:02.596848+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/cyanheads-npi-providers-mcp-server/npi-providers#chg-chg_019fdf55-b016-72c0-97ce-01196b2c8212"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 77,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-26",
      "total": 77,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 76,
      "delta": -3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 17
    },
    {
      "date": "2026-08-24",
      "total": 79,
      "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": "2026-08-23",
        "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": "2026-08-11",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-10",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-08-08",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-07-31",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}