{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "dev-horizonshield-horizon-shield",
  "component": "mcp",
  "generated_at": "2026-10-04T17:59:42.039Z",
  "tracking_since": "2026-09-16",
  "counts": {
    "critical": 0,
    "security": 17,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0fed8-f1e6-7557-92e6-7d1cfac01c39",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "compare_jccdb_regions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "compare_jccdb_regions"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “compare_jccdb_regions” was removed",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1e6-7557-92e6-7d1cfac01c39"
    },
    {
      "id": "chg_01a0fed8-f1e6-7f08-9528-f63659937fe3",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_jccdb_coverage",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_jccdb_coverage"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “get_jccdb_coverage” was removed",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1e6-7f08-9528-f63659937fe3"
    },
    {
      "id": "chg_01a0fed8-f1e7-7568-9b7b-8bf6e490f8a0",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_jccdb_index_series",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_jccdb_index_series"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “get_jccdb_index_series” was removed",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1e7-7568-9b7b-8bf6e490f8a0"
    },
    {
      "id": "chg_01a0fed8-f1e8-7498-9db1-c14957c5ae99",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_jccdb_labor_rate",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_jccdb_labor_rate"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “get_jccdb_labor_rate” was removed",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1e8-7498-9db1-c14957c5ae99"
    },
    {
      "id": "chg_01a0fed8-f1e8-78fa-bd9b-32c9e8232887",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_jccdb_observations",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_jccdb_observations"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “get_jccdb_observations” was removed",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1e8-78fa-bd9b-32c9e8232887"
    },
    {
      "id": "chg_01a0fed8-f1ea-74e3-a11e-c3f3b50a5901",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_jccdb_work_unit_price",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_jccdb_work_unit_price"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “get_jccdb_work_unit_price” was removed",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1ea-74e3-a11e-c3f3b50a5901"
    },
    {
      "id": "chg_01a0fed8-f1ea-79ac-8eff-62594d008b13",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_us_area_factor",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_us_area_factor"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “get_us_area_factor” was removed",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1ea-79ac-8eff-62594d008b13"
    },
    {
      "id": "chg_01a0fed8-f1eb-7028-91ac-ae205a1d6335",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_us_construction_prices",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_us_construction_prices"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “get_us_construction_prices” was removed",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1eb-7028-91ac-ae205a1d6335"
    },
    {
      "id": "chg_01a0fed8-f1eb-76d1-b1d2-82b15be482ed",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_us_contract_discounts",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_us_contract_discounts"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “get_us_contract_discounts” was removed",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1eb-76d1-b1d2-82b15be482ed"
    },
    {
      "id": "chg_01a0fed8-f1ec-7456-a3e2-e725b4819138",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_us_import_landed_cost",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_us_import_landed_cost"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “get_us_import_landed_cost” was removed",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1ec-7456-a3e2-e725b4819138"
    },
    {
      "id": "chg_01a0fed8-f1ec-7a6b-8d33-19e27fb3ca8e",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_us_permits",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_us_permits"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “get_us_permits” was removed",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1ec-7a6b-8d33-19e27fb3ca8e"
    },
    {
      "id": "chg_01a0fed8-f1ed-7054-8715-1fa5206eaabe",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_us_prevailing_wage",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_us_prevailing_wage"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “get_us_prevailing_wage” was removed",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1ed-7054-8715-1fa5206eaabe"
    },
    {
      "id": "chg_01a0fed8-f1ed-760d-bb5e-8b3e1c41a691",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_us_price_chain",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_us_price_chain"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “get_us_price_chain” was removed",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1ed-760d-bb5e-8b3e1c41a691"
    },
    {
      "id": "chg_01a0fed8-f1ed-7bc9-a50f-be35056182e8",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_us_trade_margins",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_us_trade_margins"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “get_us_trade_margins” was removed",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1ed-7bc9-a50f-be35056182e8"
    },
    {
      "id": "chg_01a0fed8-f1ee-726b-b589-648da9abb0b7",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_jccdb_items",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "search_jccdb_items"
      },
      "occurred_on": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "Tool “search_jccdb_items” was removed",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1ee-726b-b589-648da9abb0b7"
    },
    {
      "id": "chg_01a0fed8-f1ee-7d7c-b27e-60a29f8d40aa",
      "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": "2026-10-02",
      "occurred_at": "2026-10-02 23:00:24.869923+00",
      "observed_since": "2026-10-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0fed8-f1ee-7d7c-b27e-60a29f8d40aa"
    },
    {
      "id": "chg_01a0de3b-3887-788d-a01c-fe5174b98422",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 15:00:17.922416+00",
      "observed_since": "2026-09-26",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-horizonshield-horizon-shield/mcp#chg-chg_01a0de3b-3887-788d-a01c-fe5174b98422"
    }
  ],
  "days": [
    {
      "date": "2026-10-04",
      "total": 78,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-02",
      "total": 78,
      "delta": 2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 19
    },
    {
      "date": "2026-10-01",
      "total": 76,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 47,
        "to": 50,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 14,
          "to_days": 15
        },
        "partial": false,
        "compared_to": "2026-09-30",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 47 to 50. That category is still filling its 30-day observation window: 14 days of observed history at the previous scan, 15 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-29",
      "total": 75,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 40,
        "to": 43,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 12,
          "to_days": 13
        },
        "partial": false,
        "compared_to": "2026-09-28",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 40 to 43. That category is still filling its 30-day observation window: 12 days of observed history at the previous scan, 13 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-28",
      "total": 74,
      "delta": 3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-27",
      "total": 71,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 33,
        "to": 37,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 10,
          "to_days": 11
        },
        "partial": false,
        "compared_to": "2026-09-26",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 33 to 37. That category is still filling its 30-day observation window: 10 days of observed history at the previous scan, 11 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-26",
      "total": 70,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 35
    },
    {
      "date": "2026-09-25",
      "total": 71,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}