{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-buscalc-calculations",
  "component": "api-mcp",
  "generated_at": "2026-11-05T08:57:02.232Z",
  "tracking_since": "2026-11-03",
  "counts": {
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    "security": 22,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a1a9c8-5908-72ff-8596-b17957a19809",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
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      "from_code": null,
      "to_code": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {},
      "occurred_on": "2026-11-05",
      "occurred_at": "2026-11-05 03:37:21.898092+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a9c8-5908-72ff-8596-b17957a19809"
    },
    {
      "id": "chg_01a1a85d-1e18-759a-b460-2df40741b27d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_break_even_sales",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_break_even_sales"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_break_even_sales” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e18-759a-b460-2df40741b27d"
    },
    {
      "id": "chg_01a1a85d-1e2a-74e4-a1c3-1e644d92b02a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_decision_feasibility",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_decision_feasibility"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_decision_feasibility” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e2a-74e4-a1c3-1e644d92b02a"
    },
    {
      "id": "chg_01a1a85d-1e2e-7ad4-9219-6679c51adee7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_equipment_loan_payment",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_equipment_loan_payment"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_equipment_loan_payment” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e2e-7ad4-9219-6679c51adee7"
    },
    {
      "id": "chg_01a1a85d-1e2f-738c-8e2e-8b910058f19e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_equipment_ownership_cost_per_hour",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_equipment_ownership_cost_per_hour"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_equipment_ownership_cost_per_hour” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e2f-738c-8e2e-8b910058f19e"
    },
    {
      "id": "chg_01a1a85d-1e31-7814-b7bd-371fd4b8d83a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_feet_and_inches",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_feet_and_inches"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_feet_and_inches” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e31-7814-b7bd-371fd4b8d83a"
    },
    {
      "id": "chg_01a1a85d-1e33-71f7-987d-c251fdb3ddee",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_financial_mathematics",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_financial_mathematics"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_financial_mathematics” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e33-71f7-987d-c251fdb3ddee"
    },
    {
      "id": "chg_01a1a85d-1e34-716d-8ea8-71da9e906d4e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_fleet_cost_per_mile",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_fleet_cost_per_mile"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_fleet_cost_per_mile” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e34-716d-8ea8-71da9e906d4e"
    },
    {
      "id": "chg_01a1a85d-1e37-7a75-b98a-fad0181e7d22",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_linear_algebra",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_linear_algebra"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_linear_algebra” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e37-7a75-b98a-fad0181e7d22"
    },
    {
      "id": "chg_01a1a85d-1e38-732c-a0ef-e1b7eba5d3e5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_markup_vs_margin",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_markup_vs_margin"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_markup_vs_margin” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e38-732c-a0ef-e1b7eba5d3e5"
    },
    {
      "id": "chg_01a1a85d-1e3a-7646-a40d-98e8e182d52c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_precious_metal_calculations",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_precious_metal_calculations"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_precious_metal_calculations” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e3a-7646-a40d-98e8e182d52c"
    },
    {
      "id": "chg_01a1a85d-1e3c-7193-80e1-86cab2605071",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_precious_metal_quotes",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_precious_metal_quotes"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_precious_metal_quotes” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e3c-7193-80e1-86cab2605071"
    },
    {
      "id": "chg_01a1a85d-1e3d-72d6-b5c6-29b6a6938d3c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_probability",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_probability"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_probability” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e3d-72d6-b5c6-29b6a6938d3c"
    },
    {
      "id": "chg_01a1a85d-1e44-7c6a-b735-cd692b9eb752",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_recipe_portion_cost",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_recipe_portion_cost"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_recipe_portion_cost” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e44-7c6a-b735-cd692b9eb752"
    },
    {
      "id": "chg_01a1a85d-1e48-7c57-affc-667938a7a544",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_sensitivity",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_sensitivity"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_sensitivity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e48-7c57-affc-667938a7a544"
    },
    {
      "id": "chg_01a1a85d-1e4b-775b-be92-049e3bf3e309",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_service_business_hourly_rate",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_service_business_hourly_rate"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_service_business_hourly_rate” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e4b-775b-be92-049e3bf3e309"
    },
    {
      "id": "chg_01a1a85d-1e4d-7394-9b6b-2705a1d3df07",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_statistics",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_statistics"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_statistics” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e4d-7394-9b6b-2705a1d3df07"
    },
    {
      "id": "chg_01a1a85d-1e50-78b4-9a3b-97b70286217e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_time_duration",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_time_duration"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_time_duration” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e50-78b4-9a3b-97b70286217e"
    },
    {
      "id": "chg_01a1a85d-1e50-7f18-aff6-e4d210cdaf0b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_uncertainty",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_uncertainty"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_uncertainty” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e50-7f18-aff6-e4d210cdaf0b"
    },
    {
      "id": "chg_01a1a85d-1e52-7e68-a845-b072322c1f65",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_unit_checks",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_unit_checks"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_unit_checks” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e52-7e68-a845-b072322c1f65"
    },
    {
      "id": "chg_01a1a85d-1e57-7779-a10a-acdf354e1046",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buscalc_value_of_information",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buscalc_value_of_information"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 21:00:36.103555+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “buscalc_value_of_information” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a85d-1e57-7779-a10a-acdf354e1046"
    },
    {
      "id": "chg_01a1a610-993d-7941-866b-29cb7929636e",
      "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": "2026-11-04",
      "occurred_at": "2026-11-04 10:17:48.069353+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-buscalc-calculations/api-mcp#chg-chg_01a1a610-993d-7941-866b-29cb7929636e"
    }
  ],
  "days": [
    {
      "date": "2026-11-05",
      "total": 72,
      "delta": 0,
      "tracked": true,
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