{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "cyanheads-census-mcp-server",
  "component": "census",
  "generated_at": "2026-09-26T13:04:07.651Z",
  "tracking_since": "2026-09-19",
  "counts": {
    "critical": 0,
    "security": 7,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0d94b-dd68-7019-91ce-de7e33e5ef1a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "census_list_datasets",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "census_list_datasets"
      },
      "occurred_on": "2026-09-25",
      "occurred_at": "2026-09-25 16:00:21.447786+00",
      "observed_since": "2026-09-25",
      "source": "scan",
      "summary": "Tool “census_list_datasets” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-census-mcp-server/census#chg-chg_01a0d94b-dd68-7019-91ce-de7e33e5ef1a"
    },
    {
      "id": "chg_01a0d94b-dd5e-71f7-ab51-469a45355a74",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "census_get_variable",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "census_get_variable"
      },
      "occurred_on": "2026-09-25",
      "occurred_at": "2026-09-25 16:00:21.447786+00",
      "observed_since": "2026-09-25",
      "source": "scan",
      "summary": "Tool “census_get_variable” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-census-mcp-server/census#chg-chg_01a0d94b-dd5e-71f7-ab51-469a45355a74"
    },
    {
      "id": "chg_01a0d8de-00b8-79fd-9c65-8a65e1eba3fa",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "census_resolve_geography",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "census_resolve_geography"
      },
      "occurred_on": "2026-09-25",
      "occurred_at": "2026-09-25 14:00:21.132165+00",
      "observed_since": "2026-09-25",
      "source": "scan",
      "summary": "Tool “census_resolve_geography” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-census-mcp-server/census#chg-chg_01a0d8de-00b8-79fd-9c65-8a65e1eba3fa"
    },
    {
      "id": "chg_01a0d83a-a0d1-7151-b936-23d6737ded3d",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.17",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "6",
        "added": "0",
        "breaks": "3",
        "removed": "0",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-25",
      "occurred_at": "2026-09-25 11:01:55.593798+00",
      "observed_since": "2026-09-24",
      "source": "scan",
      "summary": "Stability (0.17 → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-census-mcp-server/census#chg-chg_01a0d83a-a0d1-7151-b936-23d6737ded3d"
    },
    {
      "id": "chg_01a0d83a-a0d4-71c2-810d-63592f4fdb2b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "census_compare_geographies",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "census_compare_geographies"
      },
      "occurred_on": "2026-09-25",
      "occurred_at": "2026-09-25 11:01:55.593798+00",
      "observed_since": "2026-09-25",
      "source": "scan",
      "summary": "Tool “census_compare_geographies” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-census-mcp-server/census#chg-chg_01a0d83a-a0d4-71c2-810d-63592f4fdb2b"
    },
    {
      "id": "chg_01a0d83a-a0d7-7451-8b1b-7a03d09422b4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "census_query_data",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "census_query_data"
      },
      "occurred_on": "2026-09-25",
      "occurred_at": "2026-09-25 11:01:55.593798+00",
      "observed_since": "2026-09-25",
      "source": "scan",
      "summary": "Tool “census_query_data” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-census-mcp-server/census#chg-chg_01a0d83a-a0d7-7451-8b1b-7a03d09422b4"
    },
    {
      "id": "chg_01a0d83a-a0d9-7569-a302-5bc01f25e309",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "census_search_variables",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "census_search_variables"
      },
      "occurred_on": "2026-09-25",
      "occurred_at": "2026-09-25 11:01:55.593798+00",
      "observed_since": "2026-09-25",
      "source": "scan",
      "summary": "Tool “census_search_variables” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-census-mcp-server/census#chg-chg_01a0d83a-a0d9-7569-a302-5bc01f25e309"
    }
  ],
  "days": [
    {
      "date": "2026-09-26",
      "total": 66,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 1,
        "to": 5,
        "delta": 4,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-25",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 1 to 5."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-25",
      "total": 65,
      "delta": -3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 40
    },
    {
      "date": "2026-09-24",
      "total": 68,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 13,
        "to": 17,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 4,
          "to_days": 5
        },
        "partial": false,
        "compared_to": "2026-09-23",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 13 to 17. That category is still filling its 30-day observation window: 4 days of observed history at the previous scan, 5 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-22",
      "total": 67,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 7,
        "to": 10,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 2,
          "to_days": 3
        },
        "partial": false,
        "compared_to": "2026-09-21",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-20",
      "total": 66,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-19",
      "total": 65,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}