{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "com-whatagentsbuy-whatagentsbuy",
  "component": "whatagentsbuy",
  "generated_at": "2026-10-06T18:13:47.145Z",
  "tracking_since": "2026-08-18",
  "counts": {
    "critical": 0,
    "security": 8,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0b3fe-e294-78ce-bc37-5b2e56968562",
      "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": "2026-09-18",
      "occurred_at": "2026-09-18 10:10:20.148093+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0b3fe-e294-78ce-bc37-5b2e56968562"
    },
    {
      "id": "chg_01a08aca-459a-72fd-b574-56426f9bda4c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "check_before_paying",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "check_before_paying"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 10:08:26.778177+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “check_before_paying” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a08aca-459a-72fd-b574-56426f9bda4c"
    },
    {
      "id": "chg_01a08aca-459b-7ba5-94c3-1ce24888aa19",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 10:08:26.778177+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a08aca-459b-7ba5-94c3-1ce24888aa19"
    },
    {
      "id": "chg_01a0807e-9f21-7b8d-99db-9d9072d5cea3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "check_before_paying",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "check_before_paying"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 10:09:36.686451+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “check_before_paying” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0807e-9f21-7b8d-99db-9d9072d5cea3"
    },
    {
      "id": "chg_01a0807e-9f22-788f-91b5-ebb0fe4fbf61",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 10:09:36.686451+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0807e-9f22-788f-91b5-ebb0fe4fbf61"
    },
    {
      "id": "chg_01a0574d-4456-7307-95dc-51fa076ebf09",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "look_up_seller",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "look_up_seller"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 10:11:16.263665+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “look_up_seller” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0574d-4456-7307-95dc-51fa076ebf09"
    },
    {
      "id": "chg_01a0574d-4457-74b2-bd71-cef109f9748c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "rank_sellers",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "rank_sellers"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 10:11:16.263665+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “rank_sellers” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0574d-4457-74b2-bd71-cef109f9748c"
    },
    {
      "id": "chg_01a0574d-4457-7927-868b-62acb6e86aa2",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 10:11:16.263665+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-whatagentsbuy-whatagentsbuy/whatagentsbuy#chg-chg_01a0574d-4457-7927-868b-62acb6e86aa2"
    }
  ],
  "days": [
    {
      "date": "2026-09-28",
      "total": 77,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-25",
      "total": 77,
      "delta": 12,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-18",
      "total": 65,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-16",
      "total": 65,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 6,
        "to": 9,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-15",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 6 to 9."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-14",
      "total": 64,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 0,
        "to": 3,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-13",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 0 to 3."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-10",
      "total": 63,
      "delta": -2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-09-08",
      "total": 65,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-08-31",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    }
  ]
}