{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "sparkflights-com-sparkflights",
  "component": "mcp-search",
  "generated_at": "2026-11-05T06:34:22.077Z",
  "tracking_since": "2026-10-29",
  "counts": {
    "critical": 0,
    "security": 6,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a1a9fa-0c8a-76dc-8b25-2b0dd77d6481",
      "kind": "resource.uri_changed",
      "family": "",
      "subject_kind": "resource",
      "subject": "Sparkflights deal card",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "ui://sparkflights/deal-card-0d3997e5.html",
      "to_value": "ui://sparkflights/deal-card.html",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "ui://sparkflights/deal-card.html",
        "from": "ui://sparkflights/deal-card-0d3997e5.html",
        "resource": "Sparkflights deal card"
      },
      "occurred_on": "2026-11-05",
      "occurred_at": "2026-11-05 04:31:39.131261+00",
      "observed_since": "2026-11-04",
      "source": "scan",
      "summary": "Resource “Sparkflights deal card” now points somewhere else (ui://sparkflights/deal-card-0d3997e5.html → ui://sparkflights/deal-card.html)",
      "link": "https://verifymcp.io/servers/sparkflights-com-sparkflights/mcp-search#chg-chg_01a1a9fa-0c8a-76dc-8b25-2b0dd77d6481"
    },
    {
      "id": "chg_01a1a4ce-b4cc-76dc-8fe6-1822e529f14b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_deals",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_deals"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 04:26:12.510723+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “search_deals” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sparkflights-com-sparkflights/mcp-search#chg-chg_01a1a4ce-b4cc-76dc-8fe6-1822e529f14b"
    },
    {
      "id": "chg_01a1a4ce-b4ce-7c25-92f2-4038b5bc927d",
      "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 04:26:12.510723+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/sparkflights-com-sparkflights/mcp-search#chg-chg_01a1a4ce-b4ce-7c25-92f2-4038b5bc927d"
    },
    {
      "id": "chg_01a1955b-abbd-7d21-8c70-0fae38784ebb",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.07",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "3",
        "added": "0",
        "breaks": "2",
        "removed": "0",
        "auth_transport": "0"
      },
      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 04:26:15.324351+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "Stability (0.07 → fail)",
      "link": "https://verifymcp.io/servers/sparkflights-com-sparkflights/mcp-search#chg-chg_01a1955b-abbd-7d21-8c70-0fae38784ebb"
    },
    {
      "id": "chg_01a1955b-abc5-7eaa-b52d-a76d03a1449f",
      "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": "2026-11-01",
      "occurred_at": "2026-11-01 04:26:15.324351+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/sparkflights-com-sparkflights/mcp-search#chg-chg_01a1955b-abc5-7eaa-b52d-a76d03a1449f"
    },
    {
      "id": "chg_01a1955b-abc6-73f0-9b45-5fccc648e43f",
      "kind": "server.breaking_without_version_bump",
      "family": "",
      "subject_kind": "server",
      "subject": "1.0.0",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "1.0.0",
      "to_value": "1.0.0",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "removed": "0",
        "version": "1.0.0",
        "breaking": "2"
      },
      "occurred_on": "2026-11-01",
      "occurred_at": "2026-11-01 04:26:15.324351+00",
      "observed_since": "2026-10-31",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/sparkflights-com-sparkflights/mcp-search#chg-chg_01a1955b-abc6-73f0-9b45-5fccc648e43f"
    }
  ],
  "days": [
    {
      "date": "2026-11-05",
      "total": 65,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-11-04",
      "total": 65,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-11-01",
      "total": 65,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 18
    },
    {
      "date": "2026-10-30",
      "total": 65,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-29",
      "total": 64,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}