{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "dev-hatchloop-company-verification",
  "component": "mcp-company-verification",
  "generated_at": "2026-09-22T05:44:38.222Z",
  "tracking_since": "2026-09-01",
  "counts": {
    "critical": 0,
    "security": 14,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0c22a-1fdf-7623-9eae-7f9160f86ee3",
      "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": "2026-09-21",
      "occurred_at": "2026-09-21 04:12:15.526828+00",
      "observed_since": "2026-09-20",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-company-verification/mcp-company-verification#chg-chg_01a0c22a-1fdf-7623-9eae-7f9160f86ee3"
    },
    {
      "id": "chg_01a08984-0dad-7929-a9e9-9007d127a050",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 04:12:07.88984+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/dev-hatchloop-company-verification/mcp-company-verification#chg-chg_01a08984-0dad-7929-a9e9-9007d127a050"
    },
    {
      "id": "chg_01a08984-0daf-77e7-b6c0-cd16cfbb41a8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_outcome",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_outcome"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:12:07.88984+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “get_outcome” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-company-verification/mcp-company-verification#chg-chg_01a08984-0daf-77e7-b6c0-cd16cfbb41a8"
    },
    {
      "id": "chg_01a08984-0daf-7db7-9033-40809fa8a68d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_status",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_status"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:12:07.88984+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “get_status” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-company-verification/mcp-company-verification#chg-chg_01a08984-0daf-7db7-9033-40809fa8a68d"
    },
    {
      "id": "chg_01a08984-0db0-74d0-9767-9d1bad6d1c04",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "lookup_us_contracts",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "lookup_us_contracts"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:12:07.88984+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “lookup_us_contracts” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-company-verification/mcp-company-verification#chg-chg_01a08984-0db0-74d0-9767-9d1bad6d1c04"
    },
    {
      "id": "chg_01a08984-0db1-7c08-8229-2445e72df5b7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "preview_cost",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "preview_cost"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:12:07.88984+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “preview_cost” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-company-verification/mcp-company-verification#chg-chg_01a08984-0db1-7c08-8229-2445e72df5b7"
    },
    {
      "id": "chg_01a08984-0db2-71e1-b22a-b422fc3dbad8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "screen_sanctions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "screen_sanctions"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:12:07.88984+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “screen_sanctions” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-company-verification/mcp-company-verification#chg-chg_01a08984-0db2-71e1-b22a-b422fc3dbad8"
    },
    {
      "id": "chg_01a08984-0db3-7aae-9411-7321cd63ce22",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "self_test",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "self_test"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:12:07.88984+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “self_test” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-company-verification/mcp-company-verification#chg-chg_01a08984-0db3-7aae-9411-7321cd63ce22"
    },
    {
      "id": "chg_01a08984-0db4-705c-8d93-815e7bf2c056",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "verify_company_record",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "verify_company_record"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:12:07.88984+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “verify_company_record” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-company-verification/mcp-company-verification#chg-chg_01a08984-0db4-705c-8d93-815e7bf2c056"
    },
    {
      "id": "chg_01a07817-b7eb-7828-ad16-6c2b33de60af",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 19:00:15.445887+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-company-verification/mcp-company-verification#chg-chg_01a07817-b7eb-7828-ad16-6c2b33de60af"
    },
    {
      "id": "chg_01a06577-80a2-7dbd-9838-4a85a31e1e36",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_outcome",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_outcome"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 04:12:05.590267+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “get_outcome” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-company-verification/mcp-company-verification#chg-chg_01a06577-80a2-7dbd-9838-4a85a31e1e36"
    },
    {
      "id": "chg_01a06577-80a3-7809-b0d0-e4253f3a53d7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_status",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_status"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 04:12:05.590267+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “get_status” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-company-verification/mcp-company-verification#chg-chg_01a06577-80a3-7809-b0d0-e4253f3a53d7"
    },
    {
      "id": "chg_01a06577-80a3-7c5d-8619-6295875c6865",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "preview_cost",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "preview_cost"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 04:12:05.590267+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “preview_cost” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-company-verification/mcp-company-verification#chg-chg_01a06577-80a3-7c5d-8619-6295875c6865"
    },
    {
      "id": "chg_01a06577-80a4-71d8-825e-60826801bf49",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "screen_sanctions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "screen_sanctions"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 04:12:05.590267+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “screen_sanctions” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-hatchloop-company-verification/mcp-company-verification#chg-chg_01a06577-80a4-71d8-825e-60826801bf49"
    }
  ],
  "days": [
    {
      "date": "2026-09-21",
      "total": 82,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-19",
      "total": 81,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 57,
        "to": 60,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 17,
          "to_days": 18
        },
        "partial": false,
        "compared_to": "2026-09-18",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 57 to 60. That category is still filling its 30-day observation window: 17 days of observed history at the previous scan, 18 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-17",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 50,
        "to": 53,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 15,
          "to_days": 16
        },
        "partial": false,
        "compared_to": "2026-09-16",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 50 to 53. That category is still filling its 30-day observation window: 15 days of observed history at the previous scan, 16 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-15",
      "total": 79,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 43,
        "to": 47,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 13,
          "to_days": 14
        },
        "partial": false,
        "compared_to": "2026-09-14",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 43 to 47. That category is still filling its 30-day observation window: 13 days of observed history at the previous scan, 14 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-12",
      "total": 78,
      "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": "2026-09-11",
        "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": "2026-09-10",
      "total": 77,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 16
    },
    {
      "date": "2026-09-09",
      "total": 77,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 23,
        "to": 27,
        "delta": 4,
        "others": [
          {
            "category": "Schema Quality & AI Usability",
            "delta": -1
          }
        ],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 7,
          "to_days": 8
        },
        "partial": false,
        "compared_to": "2026-09-08",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes. Other categories moved too: Schema Quality & AI Usability fell 1."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-08",
      "total": 76,
      "delta": 3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    }
  ]
}