{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "ai-muffed-muffed",
  "component": "api-mcp",
  "generated_at": "2026-09-22T16:54:56.311Z",
  "tracking_since": "2026-07-31",
  "counts": {
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    "security": 19,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
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      "kind": "tool.description_changed",
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      "occurred_at": "2026-09-18 07:00:27.598451+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “compare_entities” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_01a0b351-0ada-7228-bf57-e9cef0b23bf4"
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    {
      "id": "chg_01a0b351-0adb-76a8-8e64-f63b6aa9dc0d",
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        "tool": "run_stat_query"
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      "occurred_at": "2026-09-18 07:00:27.598451+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “run_stat_query” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_01a0b351-0adb-76a8-8e64-f63b6aa9dc0d"
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    {
      "id": "chg_01a0758e-ad03-7f2b-8a2a-e263bbce46d8",
      "kind": "check.reverified",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
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      "from_value": "unverified",
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      "materiality": "security",
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        "units": "15",
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      "occurred_at": "2026-09-06 07:11:19.666751+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Judged manipulation (unverified → pass)",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_01a0758e-ad03-7f2b-8a2a-e263bbce46d8"
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    {
      "id": "chg_01a07068-bcc8-7493-97fd-585efd2ff96a",
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      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
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      "from_value": "pass",
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      "materiality": "security",
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        "units": "15",
        "judged": "13",
        "reason": "partially_judged"
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      "occurred_at": "2026-09-05 07:11:46.81364+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Judged manipulation (pass → unverified)",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_01a07068-bcc8-7493-97fd-585efd2ff96a"
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    {
      "id": "chg_01a07068-bccf-71c7-9529-243c86c58867",
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      "family": "",
      "subject_kind": "server",
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      "from_code": null,
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      "materiality": "security",
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      "occurred_at": "2026-09-05 07:11:46.81364+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_01a07068-bccf-71c7-9529-243c86c58867"
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    {
      "id": "chg_01a060f5-0d53-780a-b6a9-8b8997339538",
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      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.churn",
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      "materiality": "security",
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      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 07:11:07.437121+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_01a060f5-0d53-780a-b6a9-8b8997339538"
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    {
      "id": "chg_01a05181-f0f9-723b-a5a7-300bafea17c7",
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      "family": "",
      "subject_kind": "server",
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      "subject_child": "",
      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
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      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 07:11:05.119917+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_01a05181-f0f9-723b-a5a7-300bafea17c7"
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    {
      "id": "chg_01a0284e-3d5e-7a0a-86ca-e0b57aa75c49",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "run_stat_query"
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      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 07:10:11.164129+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “run_stat_query” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_01a0284e-3d5e-7a0a-86ca-e0b57aa75c49"
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    {
      "id": "chg_01a0284e-3d60-712e-9fa8-0b86ade80b63",
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      "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": "2026-08-22",
      "occurred_at": "2026-08-22 07:10:11.164129+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_01a0284e-3d60-712e-9fa8-0b86ade80b63"
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    {
      "id": "chg_01a018da-a4f3-7898-8fd8-2605c5081a03",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-19",
      "occurred_at": "2026-08-19 07:09:37.251998+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_01a018da-a4f3-7898-8fd8-2605c5081a03"
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    {
      "id": "chg_01a013b4-85f6-77bd-998c-b3d83d1bfabb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "run_stat_query"
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      "occurred_on": "2026-08-18",
      "occurred_at": "2026-08-18 07:09:52.845713+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "Tool “run_stat_query” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_01a013b4-85f6-77bd-998c-b3d83d1bfabb"
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    {
      "id": "chg_019ff9f3-9bc7-7ba4-8194-d847fd00b1b8",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 07:08:39.706597+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_019ff9f3-9bc7-7ba4-8194-d847fd00b1b8"
    },
    {
      "id": "chg_019fe033-2295-77b8-9f61-9131567ef591",
      "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": "2026-08-08",
      "occurred_at": "2026-08-08 07:07:55.399191+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_019fe033-2295-77b8-9f61-9131567ef591"
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    {
      "id": "chg_019fd5e6-3aee-7d48-b46c-2c9ba41e3707",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "compare_entities",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "compare_entities"
      },
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 07:07:43.1527+00",
      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "Tool “compare_entities” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_019fd5e6-3aee-7d48-b46c-2c9ba41e3707"
    },
    {
      "id": "chg_019fd5e6-3aef-7a62-b496-9fc9654ea871",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_metric_definition",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_metric_definition"
      },
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 07:07:43.1527+00",
      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "Tool “get_metric_definition” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_019fd5e6-3aef-7a62-b496-9fc9654ea871"
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    {
      "id": "chg_019fd5e6-3aef-7ebe-9854-643db2036331",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_metrics",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_metrics"
      },
      "occurred_on": "2026-08-06",
      "occurred_at": "2026-08-06 07:07:43.1527+00",
      "observed_since": "2026-08-05",
      "source": "scan",
      "summary": "Tool “list_metrics” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_019fd5e6-3aef-7ebe-9854-643db2036331"
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    {
      "id": "chg_019fc672-6ec7-7bcf-8fd1-9ba37d97a431",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.07",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "3",
        "added": "1",
        "breaks": "0",
        "removed": "1",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 07:06:56.056562+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Stability (0.07 → fail)",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_019fc672-6ec7-7bcf-8fd1-9ba37d97a431"
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    {
      "id": "chg_019fc672-6ec8-7772-85cb-fdb2bbebfe0f",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_player_metrics",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_player_metrics"
      },
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 07:06:56.056562+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “get_player_metrics” was removed",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_019fc672-6ec8-7772-85cb-fdb2bbebfe0f"
    },
    {
      "id": "chg_019fc672-6ec9-7295-9caf-efdb5d5bb7c1",
      "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": "2026-08-03",
      "occurred_at": "2026-08-03 07:06:56.056562+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/ai-muffed-muffed/api-mcp#chg-chg_019fc672-6ec9-7295-9caf-efdb5d5bb7c1"
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  ],
  "days": [
    {
      "date": "2026-09-18",
      "total": 81,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-06",
      "total": 81,
      "delta": 8,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-05",
      "total": 73,
      "delta": -9,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-09-02",
      "total": 82,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-30",
      "total": 81,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-28",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 81,
        "to": 85,
        "delta": 4,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-08-27",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 81 to 85."
      },
      "event_count": 0
    },
    {
      "date": "2026-08-26",
      "total": 79,
      "delta": 2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 77,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 71,
        "to": 75,
        "delta": 4,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-08-24",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 71 to 75."
      },
      "event_count": 0
    }
  ]
}