{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "bot-mailbox-mailbox",
  "component": "api-mcp",
  "generated_at": "2026-09-21T06:23:03.747Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 47,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0bda2-e897-721b-a92d-2d17c04abf21",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_value": null,
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      "materiality": "security",
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      "detail": {
        "tool": "get_agent_inbox_activity"
      },
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 07:06:04.972087+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “get_agent_inbox_activity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0bda2-e897-721b-a92d-2d17c04abf21"
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    {
      "id": "chg_01a0bda2-e897-7d4b-9f52-ed4bbf256a51",
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      "subject_kind": "tool",
      "subject": "get_agent_inbox_context",
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      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "get_agent_inbox_context"
      },
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 07:06:04.972087+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “get_agent_inbox_context” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0bda2-e897-7d4b-9f52-ed4bbf256a51"
    },
    {
      "id": "chg_01a0bda2-e898-78be-95d2-fa5a68308fce",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "get_agent_inbox_handling"
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      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 07:06:04.972087+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “get_agent_inbox_handling” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0bda2-e898-78be-95d2-fa5a68308fce"
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    {
      "id": "chg_01a0bda2-e898-7df5-b70c-d8ee5e8b108b",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "get_agent_inbox_scan",
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      "materiality": "security",
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      "detail": {
        "tool": "get_agent_inbox_scan"
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      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 07:06:04.972087+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “get_agent_inbox_scan” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0bda2-e898-7df5-b70c-d8ee5e8b108b"
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    {
      "id": "chg_01a0bda2-e899-7406-9def-af847122d80d",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "list_agent_inbox"
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      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 07:06:04.972087+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “list_agent_inbox” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0bda2-e899-7406-9def-af847122d80d"
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    {
      "id": "chg_01a0bda2-e89a-7445-a3db-688598b63725",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "list_agent_inbox_scans",
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      "from_code": null,
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      "from_value": null,
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "list_agent_inbox_scans"
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      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 07:06:04.972087+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “list_agent_inbox_scans” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0bda2-e89a-7445-a3db-688598b63725"
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    {
      "id": "chg_01a0bda2-e89a-796b-a7c0-f5ede4161621",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "propose_agent_inbox_handling",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "propose_agent_inbox_handling"
      },
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 07:06:04.972087+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “propose_agent_inbox_handling” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0bda2-e89a-796b-a7c0-f5ede4161621"
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    {
      "id": "chg_01a0bda2-e89a-7e9b-89a9-b79c499b9a1a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "report_agent_inbox_outcome",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "report_agent_inbox_outcome"
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      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 07:06:04.972087+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “report_agent_inbox_outcome” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0bda2-e89a-7e9b-89a9-b79c499b9a1a"
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    {
      "id": "chg_01a0bda2-e89b-75c7-8700-f15190a7d933",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "seed_agent_inbox_sandbox",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "seed_agent_inbox_sandbox"
      },
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 07:06:04.972087+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “seed_agent_inbox_sandbox” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0bda2-e89b-75c7-8700-f15190a7d933"
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    {
      "id": "chg_01a0bda2-e89e-7541-8885-40555f0e0196",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 07:06:04.972087+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0bda2-e89e-7541-8885-40555f0e0196"
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    {
      "id": "chg_01a0b87c-6564-7574-9cc0-f6a8152bd80c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_agent_inbox_context",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_agent_inbox_context"
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      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 07:05:55.200951+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “get_agent_inbox_context” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0b87c-6564-7574-9cc0-f6a8152bd80c"
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    {
      "id": "chg_01a0b87c-6566-74d3-8b64-28b6aa186895",
      "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": "2026-09-19",
      "occurred_at": "2026-09-19 07:05:55.200951+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0b87c-6566-74d3-8b64-28b6aa186895"
    },
    {
      "id": "chg_01a0a907-f6a1-7172-9859-d4d6faf99e41",
      "kind": "tool.added",
      "family": "",
      "subject_kind": "tool",
      "subject": "rotate_webhook_endpoint_secret",
      "subject_child": "",
      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "rotate_webhook_endpoint_secret",
        "destructive": "true"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 07:04:26.369663+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "New tool “rotate_webhook_endpoint_secret”, which the server declares destructive",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0a907-f6a1-7172-9859-d4d6faf99e41"
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    {
      "id": "chg_01a0a907-f6a3-7646-b456-ad8cee2de7c3",
      "kind": "tool.added",
      "family": "",
      "subject_kind": "tool",
      "subject": "update_webhook_endpoint",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "update_webhook_endpoint",
        "destructive": "true"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 07:04:26.369663+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "New tool “update_webhook_endpoint”, which the server declares destructive",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0a907-f6a3-7646-b456-ad8cee2de7c3"
    },
    {
      "id": "chg_01a0a907-f6a4-7529-80c5-5f60d79c2dde",
      "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": "2026-09-16",
      "occurred_at": "2026-09-16 07:04:26.369663+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0a907-f6a4-7529-80c5-5f60d79c2dde"
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    {
      "id": "chg_01a0a3e0-e7c3-7d91-8e3d-686e002472d3",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.churn",
      "to_code": "stability.stable",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-15",
      "occurred_at": "2026-09-15 07:03:40.465441+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a0a3e0-e7c3-7d91-8e3d-686e002472d3"
    },
    {
      "id": "chg_01a08f48-28f9-718c-8432-1aaf2d904680",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_facility_messages",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_facility_messages"
      },
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 07:04:25.83542+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “get_facility_messages” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a08f48-28f9-718c-8432-1aaf2d904680"
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    {
      "id": "chg_01a08f48-28fa-76a8-926b-d4142a70cc10",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_facility_conversations",
      "subject_child": "",
      "from_code": null,
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      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_facility_conversations"
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      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 07:04:25.83542+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “list_facility_conversations” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a08f48-28fa-76a8-926b-d4142a70cc10"
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    {
      "id": "chg_01a08f48-28fa-7ce9-bbcb-5ff489de869f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "send_facility_message",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "send_facility_message"
      },
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 07:04:25.83542+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “send_facility_message” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a08f48-28fa-7ce9-bbcb-5ff489de869f"
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    {
      "id": "chg_01a07fd4-5da5-75be-8bbc-6fed86347798",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "create_test_outbound_mail",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "create_test_outbound_mail"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 07:03:38.888918+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “create_test_outbound_mail” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a07fd4-5da5-75be-8bbc-6fed86347798"
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    {
      "id": "chg_01a07fd4-5da8-72b6-9138-0c95deaf1616",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "send_outbound_mail",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "send_outbound_mail"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 07:03:38.888918+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “send_outbound_mail” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a07fd4-5da8-72b6-9138-0c95deaf1616"
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    {
      "id": "chg_01a037ba-7e17-7e36-9f0f-f3fff3570372",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 07:02:43.877494+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a037ba-7e17-7e36-9f0f-f3fff3570372"
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    {
      "id": "chg_01a02847-80ed-7d82-a9bf-46b46e891cd2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "create_test_outbound_mail",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "create_test_outbound_mail"
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      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 07:02:49.679474+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “create_test_outbound_mail” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a02847-80ed-7d82-a9bf-46b46e891cd2"
    },
    {
      "id": "chg_01a02847-80ef-7482-b4dd-66eb9d9af639",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "send_outbound_mail",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "send_outbound_mail"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 07:02:49.679474+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “send_outbound_mail” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a02847-80ef-7482-b4dd-66eb9d9af639"
    },
    {
      "id": "chg_01a01dfb-b4e8-772a-8bb1-f9f87d1664a2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "create_test_outbound_mail",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "create_test_outbound_mail"
      },
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 07:03:50.104987+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “create_test_outbound_mail” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a01dfb-b4e8-772a-8bb1-f9f87d1664a2"
    },
    {
      "id": "chg_01a01dfb-b4ea-7213-84af-b3150b597adb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "send_outbound_mail",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "send_outbound_mail"
      },
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 07:03:50.104987+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “send_outbound_mail” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a01dfb-b4ea-7213-84af-b3150b597adb"
    },
    {
      "id": "chg_01a00961-b5c1-7be3-9a63-da597ddb4ee1",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "add_note",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "add_note"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:13.430697+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “add_note” was removed",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a00961-b5c1-7be3-9a63-da597ddb4ee1"
    },
    {
      "id": "chg_01a00961-b5c2-76dd-a492-db29bdd5ad26",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "add_tag",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "add_tag"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:13.430697+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “add_tag” was removed",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a00961-b5c2-76dd-a492-db29bdd5ad26"
    },
    {
      "id": "chg_01a00961-b5c3-730f-a6f7-4d6cb00ee5a6",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "create_rule",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "create_rule"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:13.430697+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “create_rule” was removed",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a00961-b5c3-730f-a6f7-4d6cb00ee5a6"
    },
    {
      "id": "chg_01a00961-b5c4-77c5-98fd-a68f66247081",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_mailbox_md",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_mailbox_md"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:13.430697+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “get_mailbox_md” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a00961-b5c4-77c5-98fd-a68f66247081"
    },
    {
      "id": "chg_01a00961-b5c4-7c35-84ca-2b986b9c2c85",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_package",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_package"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:13.430697+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “get_package” was removed",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a00961-b5c4-7c35-84ca-2b986b9c2c85"
    },
    {
      "id": "chg_01a00961-b5c5-7399-a48e-7223ba7e654b",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_package_photos",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_package_photos"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:13.430697+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “get_package_photos” was removed",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a00961-b5c5-7399-a48e-7223ba7e654b"
    },
    {
      "id": "chg_01a00961-b5c5-7d24-aa89-4b656c1c73bb",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_scan_results",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_scan_results"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:13.430697+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “get_scan_results” was removed",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a00961-b5c5-7d24-aa89-4b656c1c73bb"
    },
    {
      "id": "chg_01a00961-b5c6-7309-a265-ceb5969ece38",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_packages",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "list_packages"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:13.430697+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “list_packages” was removed",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a00961-b5c6-7309-a265-ceb5969ece38"
    },
    {
      "id": "chg_01a00961-b5c6-783e-8d52-fc5214da5b33",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "register_expected",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "register_expected"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:13.430697+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “register_expected” was removed",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a00961-b5c6-783e-8d52-fc5214da5b33"
    },
    {
      "id": "chg_01a00961-b5c6-7ce2-9e9f-d6aca9dc3752",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "request_action",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "request_action"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:13.430697+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “request_action” was removed",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a00961-b5c6-7ce2-9e9f-d6aca9dc3752"
    },
    {
      "id": "chg_01a00961-b5c7-72b7-b688-6bcfed67aaa2",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "request_scan",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "request_scan"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:13.430697+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “request_scan” was removed",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a00961-b5c7-72b7-b688-6bcfed67aaa2"
    },
    {
      "id": "chg_01a00961-b5c7-783b-8325-eedb242cf063",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "update_action",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "update_action"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:13.430697+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “update_action” was removed",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a00961-b5c7-783b-8325-eedb242cf063"
    },
    {
      "id": "chg_01a00961-b5c8-72ae-992d-84d0c34243f2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "update_webhook",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "update_webhook"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:13.430697+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “update_webhook” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a00961-b5c8-72ae-992d-84d0c34243f2"
    },
    {
      "id": "chg_01a00961-b5c8-7dd1-bfe8-153c5d3336a5",
      "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": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:13.430697+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a00961-b5c8-7dd1-bfe8-153c5d3336a5"
    },
    {
      "id": "chg_01a00961-b5c9-72c2-b4c7-d8ba18377391",
      "kind": "server.breaking_without_version_bump",
      "family": "",
      "subject_kind": "server",
      "subject": "1.0.1",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "1.0.1",
      "to_value": "1.0.1",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "removed": "11",
        "version": "1.0.1",
        "breaking": "0"
      },
      "occurred_on": "2026-08-16",
      "occurred_at": "2026-08-16 07:03:13.430697+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.1)",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_01a00961-b5c9-72c2-b4c7-d8ba18377391"
    },
    {
      "id": "chg_019fe554-c954-709b-9f0e-c28bf7aa516b",
      "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": "2026-08-09",
      "occurred_at": "2026-08-09 07:02:46.830179+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_019fe554-c954-709b-9f0e-c28bf7aa516b"
    },
    {
      "id": "chg_019fa915-e84d-7382-a40e-d8dcabefa04c",
      "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": "0",
        "breaks": "2",
        "removed": "0",
        "auth_transport": "0"
      },
      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 14:16:53.057294+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Stability (0.03 → fail)",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_019fa915-e84d-7382-a40e-d8dcabefa04c"
    },
    {
      "id": "chg_019fa915-e84d-78fa-9108-9c3aa51540a3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_facility_messages",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_facility_messages"
      },
      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 14:16:53.057294+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “get_facility_messages” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_019fa915-e84d-78fa-9108-9c3aa51540a3"
    },
    {
      "id": "chg_019fa915-e84e-716b-883f-ef21e6a93941",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_facility_conversations",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_facility_conversations"
      },
      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 14:16:53.057294+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “list_facility_conversations” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_019fa915-e84e-716b-883f-ef21e6a93941"
    },
    {
      "id": "chg_019fa915-e84e-755b-99a5-c87c85837cf3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "send_facility_message",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "send_facility_message"
      },
      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 14:16:53.057294+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “send_facility_message” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_019fa915-e84e-755b-99a5-c87c85837cf3"
    },
    {
      "id": "chg_019fa915-e84e-7cf1-87b7-37921c37f924",
      "kind": "server.breaking_without_version_bump",
      "family": "",
      "subject_kind": "server",
      "subject": "1.0.1",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "1.0.1",
      "to_value": "1.0.1",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
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        "version": "1.0.1",
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 14:16:53.057294+00",
      "observed_since": "2026-07-27",
      "source": "scan",
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      "link": "https://verifymcp.io/servers/bot-mailbox-mailbox/api-mcp#chg-chg_019fa915-e84e-7cf1-87b7-37921c37f924"
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}