{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "throttler300-mcp-usage-metering",
  "component": "gap-functions",
  "generated_at": "2026-11-05T06:34:13.032Z",
  "tracking_since": "2026-11-03",
  "counts": {
    "critical": 0,
    "security": 6,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a1a74a-fe30-7662-abe4-66ae7330d4de",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "agent_heartbeat_registry",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "agent_heartbeat_registry"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 16:01:12.190769+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “agent_heartbeat_registry” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/throttler300-mcp-usage-metering/gap-functions#chg-chg_01a1a74a-fe30-7662-abe4-66ae7330d4de"
    },
    {
      "id": "chg_01a1a74a-fe31-7446-a807-ac5e888448cd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "agent_lease_lock",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "agent_lease_lock"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 16:01:12.190769+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “agent_lease_lock” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/throttler300-mcp-usage-metering/gap-functions#chg-chg_01a1a74a-fe31-7446-a807-ac5e888448cd"
    },
    {
      "id": "chg_01a1a74a-fe33-7eef-ae4c-47c5f7f59a4b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "agent_semaphore",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "agent_semaphore"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 16:01:12.190769+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “agent_semaphore” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/throttler300-mcp-usage-metering/gap-functions#chg-chg_01a1a74a-fe33-7eef-ae4c-47c5f7f59a4b"
    },
    {
      "id": "chg_01a1a74a-fe34-7d21-848c-173d7202ca5a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "agent_spend_ledger",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "agent_spend_ledger"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 16:01:12.190769+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “agent_spend_ledger” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/throttler300-mcp-usage-metering/gap-functions#chg-chg_01a1a74a-fe34-7d21-848c-173d7202ca5a"
    },
    {
      "id": "chg_01a1a74a-fe35-73d0-ae3c-196c299accc1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "mcp_usage_metering",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "mcp_usage_metering"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 16:01:12.190769+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Tool “mcp_usage_metering” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/throttler300-mcp-usage-metering/gap-functions#chg-chg_01a1a74a-fe35-73d0-ae3c-196c299accc1"
    },
    {
      "id": "chg_01a1a74a-fe35-7ada-8e8e-c9bd1f57dce2",
      "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 16:01:12.190769+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/throttler300-mcp-usage-metering/gap-functions#chg-chg_01a1a74a-fe35-7ada-8e8e-c9bd1f57dce2"
    }
  ],
  "days": [
    {
      "date": "2026-11-04",
      "total": 52,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 13
    },
    {
      "date": "2026-11-03",
      "total": 53,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}