{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "uk-co-impossibrew-agent-beer-finder",
  "component": "mcp-registry",
  "generated_at": "2026-11-05T13:02:56.246Z",
  "tracking_since": "2026-11-02",
  "counts": {
    "critical": 0,
    "security": 18,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a1a4fc-beca-74ec-a30d-81e9f5ad410c",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.03",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "2",
        "added": "10",
        "breaks": "0",
        "removed": "1",
        "auth_transport": "0"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 05:16:29.751255+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Stability (0.03 → fail)",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a1a4fc-beca-74ec-a30d-81e9f5ad410c"
    },
    {
      "id": "chg_01a1a4fc-becb-75ed-b7e3-ffb8f6445fa7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "build_basket",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "build_basket"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 05:16:29.751255+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “build_basket” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a1a4fc-becb-75ed-b7e3-ffb8f6445fa7"
    },
    {
      "id": "chg_01a1a4fc-becc-727e-a033-02d941e15329",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "order_help",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "order_help"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 05:16:29.751255+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “order_help” was removed",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a1a4fc-becc-727e-a033-02d941e15329"
    },
    {
      "id": "chg_01a1a4fc-becd-74da-be4c-5c766e278e90",
      "kind": "tool.added",
      "family": "",
      "subject_kind": "tool",
      "subject": "cancel_order",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cancel_order",
        "destructive": "true"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 05:16:29.751255+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "New tool “cancel_order”, which the server declares destructive",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a1a4fc-becd-74da-be4c-5c766e278e90"
    },
    {
      "id": "chg_01a1a4fc-becd-790f-8f7a-43bd2dc21639",
      "kind": "tool.added",
      "family": "",
      "subject_kind": "tool",
      "subject": "cancel_subscription",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cancel_subscription",
        "destructive": "true"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 05:16:29.751255+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "New tool “cancel_subscription”, which the server declares destructive",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a1a4fc-becd-790f-8f7a-43bd2dc21639"
    },
    {
      "id": "chg_01a1a4fc-becd-7eac-b8fd-43d0cd7b06b1",
      "kind": "tool.added",
      "family": "",
      "subject_kind": "tool",
      "subject": "change_delivery_address",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "change_delivery_address",
        "destructive": "true"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 05:16:29.751255+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "New tool “change_delivery_address”, which the server declares destructive",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a1a4fc-becd-7eac-b8fd-43d0cd7b06b1"
    },
    {
      "id": "chg_01a1a4fc-bed0-7916-b68a-89a6db647447",
      "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 05:16:29.751255+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/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a1a4fc-bed0-7916-b68a-89a6db647447"
    },
    {
      "id": "chg_01a1a4fc-bed1-70d4-92a3-8df754c72887",
      "kind": "server.breaking_without_version_bump",
      "family": "",
      "subject_kind": "server",
      "subject": "0.3.0",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "0.3.0",
      "to_value": "0.3.0",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "removed": "1",
        "version": "0.3.0",
        "breaking": "0"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 05:16:29.751255+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 0.3.0)",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a1a4fc-bed1-70d4-92a3-8df754c72887"
    },
    {
      "id": "chg_01a19fd8-3b0e-7b2a-a7be-501edc46ad9e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_impossibrew",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_impossibrew"
      },
      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 05:18:30.553595+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “ask_impossibrew” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a19fd8-3b0e-7b2a-a7be-501edc46ad9e"
    },
    {
      "id": "chg_01a19fd8-3b0f-7557-83e5-889e0e0d24f8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "browse_beers",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "browse_beers"
      },
      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 05:18:30.553595+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “browse_beers” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a19fd8-3b0f-7557-83e5-889e0e0d24f8"
    },
    {
      "id": "chg_01a19fd8-3b10-7a44-911e-f661de14912b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "build_basket",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "build_basket"
      },
      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 05:18:30.553595+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “build_basket” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a19fd8-3b10-7a44-911e-f661de14912b"
    },
    {
      "id": "chg_01a19fd8-3b11-79f9-989d-19b503a9d433",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "build_shop_link",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "build_shop_link"
      },
      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 05:18:30.553595+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “build_shop_link” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a19fd8-3b11-79f9-989d-19b503a9d433"
    },
    {
      "id": "chg_01a19fd8-3b12-70de-a4ab-ca1cef43030a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "compare_alternatives",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "compare_alternatives"
      },
      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 05:18:30.553595+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “compare_alternatives” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a19fd8-3b12-70de-a4ab-ca1cef43030a"
    },
    {
      "id": "chg_01a19fd8-3b12-770b-b6ae-8fed6d199b1e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "compare_pack_value",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "compare_pack_value"
      },
      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 05:18:30.553595+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “compare_pack_value” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a19fd8-3b12-770b-b6ae-8fed6d199b1e"
    },
    {
      "id": "chg_01a19fd8-3b12-7e41-b7d1-759d2af8cf3e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "find_stockists",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "find_stockists"
      },
      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 05:18:30.553595+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “find_stockists” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a19fd8-3b12-7e41-b7d1-759d2af8cf3e"
    },
    {
      "id": "chg_01a19fd8-3b13-75b9-8b5c-896d2e568a34",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_product",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_product"
      },
      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 05:18:30.553595+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “get_product” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a19fd8-3b13-75b9-8b5c-896d2e568a34"
    },
    {
      "id": "chg_01a19fd8-3b14-74cf-8e3c-45e4b589e91f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "open_shop",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "open_shop"
      },
      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 05:18:30.553595+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “open_shop” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a19fd8-3b14-74cf-8e3c-45e4b589e91f"
    },
    {
      "id": "chg_01a19fd8-3b14-7a66-aaf4-989e58b9b23c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "order_help",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "order_help"
      },
      "occurred_on": "2026-11-03",
      "occurred_at": "2026-11-03 05:18:30.553595+00",
      "observed_since": "2026-11-02",
      "source": "scan",
      "summary": "Tool “order_help” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/uk-co-impossibrew-agent-beer-finder/mcp-registry#chg-chg_01a19fd8-3b14-7a66-aaf4-989e58b9b23c"
    }
  ],
  "days": [
    {
      "date": "2026-11-05",
      "total": 59,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-11-04",
      "total": 58,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 17
    },
    {
      "date": "2026-11-03",
      "total": 58,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 11
    },
    {
      "date": "2026-11-02",
      "total": 58,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}