{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "sh-agentcard-agentcard",
  "component": "mcp",
  "generated_at": "2026-09-21T02:15:45.962Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 38,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0ace7-c3ac-735e-a263-af2903ab68eb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "allow_card_merchant",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "allow_card_merchant"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 01:07:45.142679+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “allow_card_merchant” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0ace7-c3ac-735e-a263-af2903ab68eb"
    },
    {
      "id": "chg_01a0ace7-c3ad-74af-acff-81fe16117e7b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "create_card",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "create_card"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 01:07:45.142679+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “create_card” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0ace7-c3ad-74af-acff-81fe16117e7b"
    },
    {
      "id": "chg_01a0ace7-c3ad-7c35-a643-9151bd8fb2c1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "delete_preset",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "delete_preset"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 01:07:45.142679+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “delete_preset” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0ace7-c3ad-7c35-a643-9151bd8fb2c1"
    },
    {
      "id": "chg_01a0ace7-c3ae-7147-bfb5-c7ed7c2c4e14",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_card_preset",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_card_preset"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 01:07:45.142679+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “get_card_preset” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0ace7-c3ae-7147-bfb5-c7ed7c2c4e14"
    },
    {
      "id": "chg_01a0ace7-c3af-76c0-aa3f-6f4d771929f8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_wallet_link",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_wallet_link"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 01:07:45.142679+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “get_wallet_link” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0ace7-c3af-76c0-aa3f-6f4d771929f8"
    },
    {
      "id": "chg_01a0ace7-c3af-7aa5-9883-b03be3aa69ce",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_cards",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_cards"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 01:07:45.142679+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “list_cards” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0ace7-c3af-7aa5-9883-b03be3aa69ce"
    },
    {
      "id": "chg_01a0ace7-c3b1-7cdc-a68d-40347997794e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "set_card_preset",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "set_card_preset"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 01:07:45.142679+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “set_card_preset” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0ace7-c3b1-7cdc-a68d-40347997794e"
    },
    {
      "id": "chg_01a0ace7-c3b2-7de6-90bd-6bf8b381aed6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "submit_kyc_document",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "submit_kyc_document"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 01:07:45.142679+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “submit_kyc_document” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0ace7-c3b2-7de6-90bd-6bf8b381aed6"
    },
    {
      "id": "chg_01a0ace7-c3b3-7439-9c09-d0daacd616fa",
      "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": "2026-09-17",
      "occurred_at": "2026-09-17 01:07:45.142679+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0ace7-c3b3-7439-9c09-d0daacd616fa"
    },
    {
      "id": "chg_01a07e8e-e66e-7836-8ea4-2efe5fcdac95",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "create_card",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "create_card"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 01:08:09.318285+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “create_card” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a07e8e-e66e-7836-8ea4-2efe5fcdac95"
    },
    {
      "id": "chg_01a07e8e-e670-78af-b8e4-148470bf6aed",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_wallet_link",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_wallet_link"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 01:08:09.318285+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “get_wallet_link” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a07e8e-e670-78af-b8e4-148470bf6aed"
    },
    {
      "id": "chg_01a07e8e-e671-70f9-871e-65227750f5ad",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_cards",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_cards"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 01:08:09.318285+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “list_cards” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a07e8e-e671-70f9-871e-65227750f5ad"
    },
    {
      "id": "chg_01a0314f-c92d-792f-8cb3-d6b62124f518",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "add_card",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "add_card"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 01:08:27.527154+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “add_card” was removed",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0314f-c92d-792f-8cb3-d6b62124f518"
    },
    {
      "id": "chg_01a0314f-c92f-7651-80a3-59fa914d8db9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "create_card",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "create_card"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 01:08:27.527154+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “create_card” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0314f-c92f-7651-80a3-59fa914d8db9"
    },
    {
      "id": "chg_01a0314f-c930-79c2-a076-0db70fb53dc2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_instructions"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 01:08:27.527154+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “get_instructions” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0314f-c930-79c2-a076-0db70fb53dc2"
    },
    {
      "id": "chg_01a0314f-c930-7d45-841b-bc3283b6cfb6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_wallet_link",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_wallet_link"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 01:08:27.527154+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “get_wallet_link” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0314f-c930-7d45-841b-bc3283b6cfb6"
    },
    {
      "id": "chg_01a0314f-c931-7209-a8f0-9087046b4b5f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_added_cards",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_added_cards"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 01:08:27.527154+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “list_added_cards” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0314f-c931-7209-a8f0-9087046b4b5f"
    },
    {
      "id": "chg_01a0314f-c931-7617-bce6-4a3a426122d1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "remove_added_card",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "remove_added_card"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 01:08:27.527154+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “remove_added_card” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0314f-c931-7617-bce6-4a3a426122d1"
    },
    {
      "id": "chg_01a0314f-c931-7a0c-865b-4d547587689a",
      "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": "1",
        "version": "1.0.0",
        "breaking": "0"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 01:08:27.527154+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a0314f-c931-7a0c-865b-4d547587689a"
    },
    {
      "id": "chg_01a002f6-6616-7a34-9041-d886655cdf0b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_wallet_link",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_wallet_link"
      },
      "occurred_on": "2026-08-15",
      "occurred_at": "2026-08-15 01:08:17.485432+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "Tool “get_wallet_link” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_01a002f6-6616-7a34-9041-d886655cdf0b"
    },
    {
      "id": "chg_019ffdd0-3544-78dd-a209-68a288083939",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.50",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "16",
        "added": "4",
        "breaks": "0",
        "removed": "3",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 01:08:28.571449+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Stability (0.50 → fail)",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019ffdd0-3544-78dd-a209-68a288083939"
    },
    {
      "id": "chg_019ffdd0-3545-7f35-9d33-8d2b80c6e6d3",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "attach_card",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "attach_card"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 01:08:28.571449+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “attach_card” was removed",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019ffdd0-3545-7f35-9d33-8d2b80c6e6d3"
    },
    {
      "id": "chg_019ffdd0-3546-76db-bae2-11da67d785c3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "buy",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "buy"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 01:08:28.571449+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “buy” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019ffdd0-3546-76db-bae2-11da67d785c3"
    },
    {
      "id": "chg_019ffdd0-3546-7cfe-ba82-84f943881f92",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "create_card",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "create_card"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 01:08:28.571449+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “create_card” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019ffdd0-3546-7cfe-ba82-84f943881f92"
    },
    {
      "id": "chg_019ffdd0-3548-7a1e-ab5f-1141c60dddf6",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_attached_cards",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "list_attached_cards"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 01:08:28.571449+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “list_attached_cards” was removed",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019ffdd0-3548-7a1e-ab5f-1141c60dddf6"
    },
    {
      "id": "chg_019ffdd0-3549-72d7-8fbd-83e73d5350d0",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_cards",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_cards"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 01:08:28.571449+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “list_cards” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019ffdd0-3549-72d7-8fbd-83e73d5350d0"
    },
    {
      "id": "chg_019ffdd0-3549-78a6-a45d-4b86bf755bc9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "redeem_rewards",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "redeem_rewards"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 01:08:28.571449+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “redeem_rewards” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019ffdd0-3549-78a6-a45d-4b86bf755bc9"
    },
    {
      "id": "chg_019ffdd0-3549-7e73-a00d-f4297fc97935",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "remove_attached_card",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "remove_attached_card"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 01:08:28.571449+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “remove_attached_card” was removed",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019ffdd0-3549-7e73-a00d-f4297fc97935"
    },
    {
      "id": "chg_019ffdd0-354a-7430-8cdb-84aa467789ae",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "setup_payment_method",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "setup_payment_method"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 01:08:28.571449+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “setup_payment_method” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019ffdd0-354a-7430-8cdb-84aa467789ae"
    },
    {
      "id": "chg_019ffdd0-354b-7f41-a416-ce7bdf28bd1d",
      "kind": "tool.added",
      "family": "",
      "subject_kind": "tool",
      "subject": "remove_added_card",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "remove_added_card",
        "destructive": "true"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 01:08:28.571449+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "New tool “remove_added_card”, which the server declares destructive",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019ffdd0-354b-7f41-a416-ce7bdf28bd1d"
    },
    {
      "id": "chg_019ffdd0-354c-762d-8253-5592b868e727",
      "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": "3",
        "version": "1.0.0",
        "breaking": "0"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 01:08:28.571449+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019ffdd0-354c-762d-8253-5592b868e727"
    },
    {
      "id": "chg_019fdee9-4c8a-7911-85b0-653b6f2d0ba5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "create_card",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "create_card"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 01:07:39.2462+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Tool “create_card” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019fdee9-4c8a-7911-85b0-653b6f2d0ba5"
    },
    {
      "id": "chg_019fdee9-4c8b-7247-a2fe-1d122d1dc2a6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_settings",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_settings"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 01:07:39.2462+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Tool “get_settings” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019fdee9-4c8b-7247-a2fe-1d122d1dc2a6"
    },
    {
      "id": "chg_019fdee9-4c8b-7718-bdd2-aa206b315ae9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_attached_cards",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_attached_cards"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 01:07:39.2462+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Tool “list_attached_cards” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019fdee9-4c8b-7718-bdd2-aa206b315ae9"
    },
    {
      "id": "chg_019fd49c-3f51-74d8-a30b-f180d02489a5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "redeem_code",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "redeem_code"
      },
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 01:07:17.435424+00",
      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "Tool “redeem_code” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019fd49c-3f51-74d8-a30b-f180d02489a5"
    },
    {
      "id": "chg_019faf36-1665-78dd-8b82-efc5ca9e3b5c",
      "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": "2026-07-29",
      "occurred_at": "2026-07-29 18:49:45.272454+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019faf36-1665-78dd-8b82-efc5ca9e3b5c"
    },
    {
      "id": "chg_019faf36-166a-7514-b8a7-8ee45e4b0309",
      "kind": "check.reverified",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.auth_gated",
      "to_code": "transport.verified",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 18:49:45.272454+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Transport (unverified → pass)",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019faf36-166a-7514-b8a7-8ee45e4b0309"
    },
    {
      "id": "chg_019faf36-166b-7481-b40d-0b41c5850566",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "pass",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 18:49:45.272454+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Authorization (Authorisation is enforced on tool calls, advertised via RFC 9728 protected-resource metadata. Discovery is public, which costs nothing: no tool can be invoked without a token.)",
      "link": "https://verifymcp.io/servers/sh-agentcard-agentcard/mcp#chg-chg_019faf36-166b-7481-b40d-0b41c5850566"
    }
  ],
  "days": [
    {
      "date": "2026-09-17",
      "total": 90,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 26
    },
    {
      "date": "2026-09-11",
      "total": 89,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-10",
      "total": 89,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 12
    },
    {
      "date": "2026-09-08",
      "total": 89,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-08-27",
      "total": 89,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 87,
        "to": 90,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-08-26",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 87 to 90."
      },
      "event_count": 0
    },
    {
      "date": "2026-08-26",
      "total": 88,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-24",
      "total": 87,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 11
    },
    {
      "date": "2026-08-15",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    }
  ]
}