{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "cyanheads-imf-mcp-server",
  "component": "imf",
  "generated_at": "2026-09-21T07:54:31.450Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 18,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a085aa-de95-72bc-ab97-736d5ec419a8",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 10:16:02.890948+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_01a085aa-de95-72bc-ab97-736d5ec419a8"
    },
    {
      "id": "chg_01a05672-d49f-7c48-84ff-45ab35600628",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "imf_query_dataset",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "imf_query_dataset"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 06:12:40.994755+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “imf_query_dataset” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_01a05672-d49f-7c48-84ff-45ab35600628"
    },
    {
      "id": "chg_01a05672-d4a3-7704-b290-d3d8d7440377",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 06:12:40.994755+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_01a05672-d4a3-7704-b290-d3d8d7440377"
    },
    {
      "id": "chg_01a05604-bccd-77c7-89b8-cba37560756c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "imf_get_database",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "imf_get_database"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 04:12:26.053387+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “imf_get_database” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_01a05604-bccd-77c7-89b8-cba37560756c"
    },
    {
      "id": "chg_01a037f9-6328-7eea-9083-3cb1828fd000",
      "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 08:11:25.690806+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_01a037f9-6328-7eea-9083-3cb1828fd000"
    },
    {
      "id": "chg_019feb26-5d6a-76e7-9e6a-a24726976ec5",
      "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 10:09:47.804482+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_019feb26-5d6a-76e7-9e6a-a24726976ec5"
    },
    {
      "id": "chg_019feb26-5d6a-7be8-88c9-e505a7216c42",
      "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": "5"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 10:09:47.804482+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 5 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-imf-mcp-server/imf#chg-chg_019feb26-5d6a-7be8-88c9-e505a7216c42"
    },
    {
      "id": "chg_019feb26-5d69-7113-8302-efc862549569",
      "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 10:09:47.804482+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "HSTS header (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_019feb26-5d69-7113-8302-efc862549569"
    },
    {
      "id": "chg_019fe0d9-5dc1-7506-9e03-930a4c03e266",
      "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 10:09:29.518287+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_019fe0d9-5dc1-7506-9e03-930a4c03e266"
    },
    {
      "id": "chg_019fe0d9-5dc2-78ac-a006-a40279644fae",
      "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 10:09:29.518287+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Stability (0.40 → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_019fe0d9-5dc2-78ac-a006-a40279644fae"
    },
    {
      "id": "chg_019fe0d9-5dc2-7f33-9b15-9028624b954b",
      "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 10:09:29.518287+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_019fe0d9-5dc2-7f33-9b15-9028624b954b"
    },
    {
      "id": "chg_019fe0d9-5dc3-7478-ae00-1860f63379ad",
      "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 10:09:29.518287+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-imf-mcp-server/imf#chg-chg_019fe0d9-5dc3-7478-ae00-1860f63379ad"
    },
    {
      "id": "chg_019fe0d9-5dc4-7762-be7d-b12ee686275f",
      "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 10:09:29.518287+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_019fe0d9-5dc4-7762-be7d-b12ee686275f"
    },
    {
      "id": "chg_019fd98b-d8fc-74a9-9ef7-f581cd4b5cbd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "imf_query_dataset",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "imf_query_dataset"
      },
      "occurred_on": "2026-08-07",
      "occurred_at": "2026-08-07 00:07:28.738761+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Tool “imf_query_dataset” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_019fd98b-d8fc-74a9-9ef7-f581cd4b5cbd"
    },
    {
      "id": "chg_019fd8a9-6e33-7451-a925-84a3ab2c4008",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "imf_list_databases",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "imf_list_databases"
      },
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 20:00:10.264544+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Tool “imf_list_databases” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_019fd8a9-6e33-7451-a925-84a3ab2c4008"
    },
    {
      "id": "chg_019fd872-a4cb-75ce-b429-1ba4f3bc3db6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "imf_query_dataset",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "imf_query_dataset"
      },
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 19:00:19.761092+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Tool “imf_query_dataset” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_019fd872-a4cb-75ce-b429-1ba4f3bc3db6"
    },
    {
      "id": "chg_019fd83b-ac12-7eea-892f-5261801ddf4e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "imf_get_database",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "imf_get_database"
      },
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 18:00:17.137731+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Tool “imf_get_database” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_019fd83b-ac12-7eea-892f-5261801ddf4e"
    },
    {
      "id": "chg_019fd804-9a99-7edb-b8a7-9b06c25aaf6b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "imf_dataframe_query",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "imf_dataframe_query"
      },
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 17:00:08.19761+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Tool “imf_dataframe_query” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-imf-mcp-server/imf#chg-chg_019fd804-9a99-7edb-b8a7-9b06c25aaf6b"
    }
  ],
  "days": [
    {
      "date": "2026-09-19",
      "total": 79,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-09",
      "total": 79,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-08",
      "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": "2026-09-07",
        "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": "2026-09-07",
      "total": 78,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-31",
      "total": 79,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 19
    },
    {
      "date": "2026-08-26",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 79,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "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
    }
  ]
}