{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "tizonamcp-tizona",
  "component": "tizona",
  "generated_at": "2026-09-21T06:09:58.583Z",
  "tracking_since": "2026-08-21",
  "counts": {
    "critical": 0,
    "security": 34,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0a942-6b14-7c5a-b4e0-c3911e294bfe",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.churn",
      "to_code": "stability.insufficient_history",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 08:08:17.174842+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Stability (fail → unverified)",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a0a942-6b14-7c5a-b4e0-c3911e294bfe"
    },
    {
      "id": "chg_01a0a942-6b16-74b8-a16b-194910fdc042",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.http_error",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "404",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 08:08:17.174842+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a0a942-6b16-74b8-a16b-194910fdc042"
    },
    {
      "id": "chg_01a0a942-6b17-78b2-b9e4-c36e4e385286",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 08:08:17.174842+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a0a942-6b17-78b2-b9e4-c36e4e385286"
    },
    {
      "id": "chg_01a0a942-6b17-7cf6-8de9-5f68f344ecda",
      "kind": "check.unverifiable",
      "family": "https",
      "subject_kind": "check",
      "subject": "https",
      "subject_child": "",
      "from_code": "https.enforced",
      "to_code": "https.inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "plaintext_status",
        "status": "404"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 08:08:17.174842+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "HTTPS (pass → unverified)",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a0a942-6b17-7cf6-8de9-5f68f344ecda"
    },
    {
      "id": "chg_01a0a942-6b18-731b-b849-34ee9b723108",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_no_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "partial",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 08:08:17.174842+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a0a942-6b18-731b-b849-34ee9b723108"
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    {
      "id": "chg_01a0a942-6b1a-749b-b4b6-92efa96bcb24",
      "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": "2026-09-16",
      "occurred_at": "2026-09-16 08:08:17.174842+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a0a942-6b1a-749b-b4b6-92efa96bcb24"
    },
    {
      "id": "chg_01a0a942-6b1d-7d28-b7fa-3f60e048650e",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "not_mcp",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "not_mcp",
        "from": "verified"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 08:08:17.174842+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a0a942-6b1d-7d28-b7fa-3f60e048650e"
    },
    {
      "id": "chg_01a056d8-b390-7136-a935-86d5127e002f",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_absent",
      "to_code": "headers.hsts_present",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "HSTS header (fail → pass)",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b390-7136-a935-86d5127e002f"
    },
    {
      "id": "chg_01a056d8-b391-702c-92ec-42aece34bc8f",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.none_no_destructive",
      "from_value": "unverified",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b391-702c-92ec-42aece34bc8f"
    },
    {
      "id": "chg_01a056d8-b391-7741-86b1-6a6aa94cac9d",
      "kind": "check.verdict",
      "family": "https",
      "subject_kind": "check",
      "subject": "https",
      "subject_child": "",
      "from_code": "https.plaintext",
      "to_code": "https.enforced",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "HTTPS (fail → pass)",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b391-7741-86b1-6a6aa94cac9d"
    },
    {
      "id": "chg_01a056d8-b393-7ce3-a3fc-133fd8acc86f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "calculate_gst",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "calculate_gst"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “calculate_gst” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b393-7ce3-a3fc-133fd8acc86f"
    },
    {
      "id": "chg_01a056d8-b394-72d7-9a9d-172ca424d351",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "capture_web_page_with_proof",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "capture_web_page_with_proof"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “capture_web_page_with_proof” was removed",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b394-72d7-9a9d-172ca424d351"
    },
    {
      "id": "chg_01a056d8-b394-7b06-a526-ac8b52c7a42a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "check_ai_crawler_access",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "check_ai_crawler_access"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “check_ai_crawler_access” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b394-7b06-a526-ac8b52c7a42a"
    },
    {
      "id": "chg_01a056d8-b395-707b-aace-52e1b2feb699",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "compare_entity_names",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "compare_entity_names"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “compare_entity_names” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b395-707b-aace-52e1b2feb699"
    },
    {
      "id": "chg_01a056d8-b395-7667-9251-a2ad74c9d14b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deduplicate_entity_names",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deduplicate_entity_names"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “deduplicate_entity_names” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b395-7667-9251-a2ad74c9d14b"
    },
    {
      "id": "chg_01a056d8-b395-7af0-9638-acb160251ca1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "match_entity_name",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "match_entity_name"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “match_entity_name” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b395-7af0-9638-acb160251ca1"
    },
    {
      "id": "chg_01a056d8-b396-703a-877c-6a758e0b6685",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "normalise_entity_name",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "normalise_entity_name"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “normalise_entity_name” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b396-703a-877c-6a758e0b6685"
    },
    {
      "id": "chg_01a056d8-b396-7536-ba36-970ffbf8dc4b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "pull_ai_crawler_watch",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "pull_ai_crawler_watch"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “pull_ai_crawler_watch” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b396-7536-ba36-970ffbf8dc4b"
    },
    {
      "id": "chg_01a056d8-b396-7a76-8201-63312b6b60de",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "total_invoice",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "total_invoice"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “total_invoice” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b396-7a76-8201-63312b6b60de"
    },
    {
      "id": "chg_01a056d8-b397-7117-95bc-b90b39fbaca7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "triage_ai_crawler_access",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "triage_ai_crawler_access"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “triage_ai_crawler_access” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b397-7117-95bc-b90b39fbaca7"
    },
    {
      "id": "chg_01a056d8-b397-770b-934f-d8171d615419",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "validate_australian_identifier",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "validate_australian_identifier"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “validate_australian_identifier” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b397-770b-934f-d8171d615419"
    },
    {
      "id": "chg_01a056d8-b397-7d51-9de3-09f1ae33c03d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "verify_ai_crawler",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "verify_ai_crawler"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “verify_ai_crawler” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b397-7d51-9de3-09f1ae33c03d"
    },
    {
      "id": "chg_01a056d8-b398-79ff-a43b-d7e545a5d1af",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "verify_email_address",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "verify_email_address"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “verify_email_address” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b398-79ff-a43b-d7e545a5d1af"
    },
    {
      "id": "chg_01a056d8-b398-7f18-a5a0-96952028fa77",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "verify_web_page_attestation",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "verify_web_page_attestation"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “verify_web_page_attestation” was removed",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b398-7f18-a5a0-96952028fa77"
    },
    {
      "id": "chg_01a056d8-b399-7394-9591-8458d2293139",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "watch_ai_crawler_access",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "watch_ai_crawler_access"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “watch_ai_crawler_access” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b399-7394-9591-8458d2293139"
    },
    {
      "id": "chg_01a056d8-b39b-79f4-9a09-6aa82fda289c",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 08:03:57.188041+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a056d8-b39b-79f4-9a09-6aa82fda289c"
    },
    {
      "id": "chg_01a051b2-8d2f-72c8-ad46-28692fc7a10b",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.27",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "9",
        "added": "8",
        "breaks": "0",
        "removed": "2",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 08:04:11.030465+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Stability (0.27 → fail)",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a051b2-8d2f-72c8-ad46-28692fc7a10b"
    },
    {
      "id": "chg_01a051b2-8d30-7938-8795-bb6d78e35081",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "sanctions_dataset_version",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "sanctions_dataset_version"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 08:04:11.030465+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “sanctions_dataset_version” was removed",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a051b2-8d30-7938-8795-bb6d78e35081"
    },
    {
      "id": "chg_01a051b2-8d30-7d28-a6e8-f9c97b29ba9a",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "screen_against_sanctions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "screen_against_sanctions"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 08:04:11.030465+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “screen_against_sanctions” was removed",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a051b2-8d30-7d28-a6e8-f9c97b29ba9a"
    },
    {
      "id": "chg_01a051b2-8d31-7721-becf-ed579a16c239",
      "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": "2",
        "version": "1.0.0",
        "breaking": "0"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 08:04:11.030465+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a051b2-8d31-7721-becf-ed579a16c239"
    },
    {
      "id": "chg_01a04765-88d6-7378-bf0a-f8900c0caa2e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "verify_ai_crawler",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "verify_ai_crawler"
      },
      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 08:03:51.145335+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Tool “verify_ai_crawler” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a04765-88d6-7378-bf0a-f8900c0caa2e"
    },
    {
      "id": "chg_01a04765-88d9-73ba-8935-6925853f6ed5",
      "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": "2026-08-28",
      "occurred_at": "2026-08-28 08:03:51.145335+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a04765-88d9-73ba-8935-6925853f6ed5"
    },
    {
      "id": "chg_01a037f0-2063-75a5-a463-462594b3be18",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "compare_entity_names",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "compare_entity_names"
      },
      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 08:01:18.796378+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Tool “compare_entity_names” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a037f0-2063-75a5-a463-462594b3be18"
    },
    {
      "id": "chg_01a026c4-b69b-7308-9e69-dc52161881a6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "sanctions_dataset_version",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "sanctions_dataset_version"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 00:00:21.080794+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “sanctions_dataset_version” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/tizonamcp-tizona/tizona#chg-chg_01a026c4-b69b-7308-9e69-dc52161881a6"
    }
  ],
  "days": [
    {
      "date": "2026-09-16",
      "total": 18,
      "delta": -64,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 10
    },
    {
      "date": "2026-09-14",
      "total": 82,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 54,
        "to": 58,
        "delta": 4,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-13",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 54 to 58."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-12",
      "total": 81,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 48,
        "to": 51,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-11",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 48 to 51."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-10",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 41,
        "to": 44,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-09",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 41 to 44."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-07",
      "total": 79,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 31,
        "to": 34,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-06",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 31 to 34."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-05",
      "total": 78,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 24,
        "to": 28,
        "delta": 4,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-04",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 24 to 28."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-03",
      "total": 77,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 18,
        "to": 21,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-09-02",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 18 to 21."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-02",
      "total": 76,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}