{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "cyanheads-eia-energy-mcp-server",
  "component": "eia-energy",
  "generated_at": "2026-09-21T01:24:18.416Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 20,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a083e9-75d9-7b79-83cf-abd813a2e3b1",
      "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 02:05:10.41742+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_01a083e9-75d9-7b79-83cf-abd813a2e3b1"
    },
    {
      "id": "chg_01a036a9-7e33-74cf-b716-902993212a8f",
      "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 02:04:32.61757+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_01a036a9-7e33-74cf-b716-902993212a8f"
    },
    {
      "id": "chg_019fe969-ca5b-7239-94d5-4fdcfb22d003",
      "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": "6"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 02:04:12.211496+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 6 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-eia-energy-mcp-server/eia-energy#chg-chg_019fe969-ca5b-7239-94d5-4fdcfb22d003"
    },
    {
      "id": "chg_019fe969-ca5a-75fa-aa11-92696be54e81",
      "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 02:04:12.211496+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fe969-ca5a-75fa-aa11-92696be54e81"
    },
    {
      "id": "chg_019fe969-ca59-7490-a944-561cf8949a7f",
      "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 02:04:12.211496+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "HSTS header (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fe969-ca59-7490-a944-561cf8949a7f"
    },
    {
      "id": "chg_019fdf1d-0853-7a0e-8067-c391d679b698",
      "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 02:04:09.628489+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fdf1d-0853-7a0e-8067-c391d679b698"
    },
    {
      "id": "chg_019fdf1d-0852-77f0-bb97-ac6f877734e5",
      "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 02:04:09.628489+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fdf1d-0852-77f0-bb97-ac6f877734e5"
    },
    {
      "id": "chg_019fdf1d-0853-7f29-aa4a-04abe71b28bb",
      "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 02:04:09.628489+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-eia-energy-mcp-server/eia-energy#chg-chg_019fdf1d-0853-7f29-aa4a-04abe71b28bb"
    },
    {
      "id": "chg_019fdf1d-0853-734e-baf9-e4cb93ca7f79",
      "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 02:04:09.628489+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Stability (0.40 → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fdf1d-0853-734e-baf9-e4cb93ca7f79"
    },
    {
      "id": "chg_019fdf1d-0855-7550-bd31-94366260e016",
      "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 02:04:09.628489+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fdf1d-0855-7550-bd31-94366260e016"
    },
    {
      "id": "chg_019fd5e0-d58f-7c34-9451-9efab3ea0132",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "eia_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": "eia_dataframe_query"
      },
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 07:01:49.465022+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Tool “eia_dataframe_query” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fd5e0-d58f-7c34-9451-9efab3ea0132"
    },
    {
      "id": "chg_019fd5e0-d595-788d-affd-65b56ad60545",
      "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": "2026-08-06",
      "occurred_at": "2026-08-06 07:01:49.465022+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fd5e0-d595-788d-affd-65b56ad60545"
    },
    {
      "id": "chg_019fd5e0-d592-735b-912f-268bfd3438df",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "eia_query_route",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "eia_query_route"
      },
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 07:01:49.465022+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Tool “eia_query_route” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fd5e0-d592-735b-912f-268bfd3438df"
    },
    {
      "id": "chg_019fd5e0-d58e-7da9-94a0-14c1ad1366c3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "eia_dataframe_describe",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "eia_dataframe_describe"
      },
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 07:01:49.465022+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Tool “eia_dataframe_describe” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fd5e0-d58e-7da9-94a0-14c1ad1366c3"
    },
    {
      "id": "chg_019fd53e-968c-7633-9b04-bf93c759ffcb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "eia_describe_route",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "eia_describe_route"
      },
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 04:04:36.568459+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "Tool “eia_describe_route” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fd53e-968c-7633-9b04-bf93c759ffcb"
    },
    {
      "id": "chg_019fbabf-f089-78e5-9113-b2d4d4b53476",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "eia_search_routes",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "eia_search_routes"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 00:36:08.947477+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “eia_search_routes” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fbabf-f089-78e5-9113-b2d4d4b53476"
    },
    {
      "id": "chg_019fba18-83aa-739d-82b9-0922a019a33e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "eia_dataframe_describe",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "eia_dataframe_describe"
      },
      "occurred_on": "2026-07-31",
      "occurred_at": "2026-07-31 21:33:16.574591+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “eia_dataframe_describe” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fba18-83aa-739d-82b9-0922a019a33e"
    },
    {
      "id": "chg_019fba18-83aa-7948-bef7-e16f9b732c02",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "eia_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": "eia_dataframe_query"
      },
      "occurred_on": "2026-07-31",
      "occurred_at": "2026-07-31 21:33:16.574591+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “eia_dataframe_query” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fba18-83aa-7948-bef7-e16f9b732c02"
    },
    {
      "id": "chg_019fb9e0-bc4b-7e1b-9af6-adc3ad438213",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "eia_search_routes",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "eia_search_routes"
      },
      "occurred_on": "2026-07-31",
      "occurred_at": "2026-07-31 20:32:21.03998+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “eia_search_routes” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fb9e0-bc4b-7e1b-9af6-adc3ad438213"
    },
    {
      "id": "chg_019fb9e0-bc4a-7af1-9962-1339943a93a2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "eia_describe_route",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "eia_describe_route"
      },
      "occurred_on": "2026-07-31",
      "occurred_at": "2026-07-31 20:32:21.03998+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “eia_describe_route” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-eia-energy-mcp-server/eia-energy#chg-chg_019fb9e0-bc4a-7af1-9962-1339943a93a2"
    }
  ],
  "days": [
    {
      "date": "2026-09-19",
      "total": 80,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-09",
      "total": 80,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-08",
      "total": 80,
      "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": 79,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "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
    },
    {
      "date": "2026-08-11",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}