{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "ai-cotal-cotal",
  "component": "cotal",
  "generated_at": "2026-11-07T17:41:57.583Z",
  "tracking_since": "2026-09-08",
  "counts": {
    "critical": 0,
    "security": 16,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a18f95-5d8b-7d5b-80eb-c9b91c0e93ca",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotal_draft_post",
      "subject_child": "",
      "from_code": null,
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      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "cotal_draft_post"
      },
      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 01:31:33.087995+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Tool “cotal_draft_post” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a18f95-5d8b-7d5b-80eb-c9b91c0e93ca"
    },
    {
      "id": "chg_01a18f95-5d8c-7b2d-abb9-2c7c84e42271",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotal_list_posts",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cotal_list_posts"
      },
      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 01:31:33.087995+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Tool “cotal_list_posts” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a18f95-5d8c-7b2d-abb9-2c7c84e42271"
    },
    {
      "id": "chg_01a18f95-5d8d-7176-9a82-405e7281bc2c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotal_overview",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "cotal_overview"
      },
      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 01:31:33.087995+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Tool “cotal_overview” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a18f95-5d8d-7176-9a82-405e7281bc2c"
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    {
      "id": "chg_01a18f95-5d8d-7beb-b951-08f5444f61ce",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotal_request_call",
      "subject_child": "",
      "from_code": null,
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      "materiality": "security",
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      "detail": {
        "tool": "cotal_request_call"
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      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 01:31:33.087995+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Tool “cotal_request_call” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a18f95-5d8d-7beb-b951-08f5444f61ce"
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    {
      "id": "chg_01a18f95-5d8e-7221-bb96-43fa48e8926f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotal_search",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "cotal_search"
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      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 01:31:33.087995+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Tool “cotal_search” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a18f95-5d8e-7221-bb96-43fa48e8926f"
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    {
      "id": "chg_01a18f95-5d8e-7718-bed4-dd1f2bc29057",
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      "subject_kind": "tool",
      "subject": "cotal_submit_feedback",
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      "materiality": "security",
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      "detail": {
        "tool": "cotal_submit_feedback"
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      "occurred_at": "2026-10-31 01:31:33.087995+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Tool “cotal_submit_feedback” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a18f95-5d8e-7718-bed4-dd1f2bc29057"
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    {
      "id": "chg_01a18f95-5d8f-7b3f-b69e-6cefacc964f1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotal_subscribe_newsletter",
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "cotal_subscribe_newsletter"
      },
      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 01:31:33.087995+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "Tool “cotal_subscribe_newsletter” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a18f95-5d8f-7b3f-b69e-6cefacc964f1"
    },
    {
      "id": "chg_01a18f95-5d90-76c0-85ea-8213608d2677",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-10-31",
      "occurred_at": "2026-10-31 01:31:33.087995+00",
      "observed_since": "2026-10-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a18f95-5d90-76c0-85ea-8213608d2677"
    },
    {
      "id": "chg_01a13d2c-5a74-7ecb-8a80-c53565287f0d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotal_draft_post",
      "subject_child": "",
      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cotal_draft_post"
      },
      "occurred_on": "2026-10-15",
      "occurred_at": "2026-10-15 01:27:58.654159+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "Tool “cotal_draft_post” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a13d2c-5a74-7ecb-8a80-c53565287f0d"
    },
    {
      "id": "chg_01a13d2c-5a79-74f0-ab53-3ade1dd0b67d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotal_get_my_post",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cotal_get_my_post"
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      "occurred_on": "2026-10-15",
      "occurred_at": "2026-10-15 01:27:58.654159+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "Tool “cotal_get_my_post” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a13d2c-5a79-74f0-ab53-3ade1dd0b67d"
    },
    {
      "id": "chg_01a13d2c-5a79-7bf3-9203-64dafbcfd786",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotal_list_my_posts",
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      "from_code": null,
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      "materiality": "security",
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      "detail": {
        "tool": "cotal_list_my_posts"
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      "occurred_on": "2026-10-15",
      "occurred_at": "2026-10-15 01:27:58.654159+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "Tool “cotal_list_my_posts” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a13d2c-5a79-7bf3-9203-64dafbcfd786"
    },
    {
      "id": "chg_01a13d2c-5ad3-781b-9162-731f27d849e6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "cotal_update_post",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "cotal_update_post"
      },
      "occurred_on": "2026-10-15",
      "occurred_at": "2026-10-15 01:27:58.654159+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "Tool “cotal_update_post” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a13d2c-5ad3-781b-9162-731f27d849e6"
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    {
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      "subject_kind": "server",
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      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-15",
      "occurred_at": "2026-10-15 01:27:58.654159+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a13d2c-5ad8-7d3b-9690-d6b4706956b3"
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    {
      "id": "chg_01a1380e-24cc-7684-b95e-fbfc392e9652",
      "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": "2026-10-14",
      "occurred_at": "2026-10-14 01:36:51.64982+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a1380e-24cc-7684-b95e-fbfc392e9652"
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    {
      "id": "chg_01a1380e-2591-7b85-afde-f30d13f85d22",
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
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      "occurred_on": "2026-10-14",
      "occurred_at": "2026-10-14 01:36:51.64982+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a1380e-2591-7b85-afde-f30d13f85d22"
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    {
      "id": "chg_01a12651-7e95-7b7a-956c-46285b52b112",
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      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.93",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-10",
      "occurred_at": "2026-10-10 14:57:17.313518+00",
      "observed_since": "2026-10-06",
      "source": "scan",
      "summary": "Stability (0.93 → pass)",
      "link": "https://verifymcp.io/servers/ai-cotal-cotal/cotal#chg-chg_01a12651-7e95-7b7a-956c-46285b52b112"
    }
  ],
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    {
      "date": "2026-11-06",
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    },
    {
      "date": "2026-10-31",
      "total": 87,
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    {
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      "delta": -3,
      "tracked": true,
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      "beyond_event_horizon": false,
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      "date": "2026-09-28",
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      "delta": null,
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}