{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "io-thegavel-gavel",
  "component": "mcp",
  "generated_at": "2026-09-25T23:53:28.807Z",
  "tracking_since": "2026-08-27",
  "counts": {
    "critical": 0,
    "security": 11,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a05bcf-bc18-72cc-93dd-425d06cd44a9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_gavel_indicator",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_gavel_indicator"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 07:12:15.847297+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “get_gavel_indicator” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-thegavel-gavel/mcp#chg-chg_01a05bcf-bc18-72cc-93dd-425d06cd44a9"
    },
    {
      "id": "chg_01a05bcf-bc1e-74a7-9ff5-8db1fd6ac502",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_gavel_indicators",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_gavel_indicators"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 07:12:15.847297+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “list_gavel_indicators” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-thegavel-gavel/mcp#chg-chg_01a05bcf-bc1e-74a7-9ff5-8db1fd6ac502"
    },
    {
      "id": "chg_01a056a9-47a4-7dee-93fd-8f54598c4638",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_gavel_indicator",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_gavel_indicator"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 07:12:09.31148+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “get_gavel_indicator” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-thegavel-gavel/mcp#chg-chg_01a056a9-47a4-7dee-93fd-8f54598c4638"
    },
    {
      "id": "chg_01a056a9-47aa-7d3d-a034-2e6e32d71ae6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_gavel_indicators",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_gavel_indicators"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 07:12:09.31148+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “list_gavel_indicators” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-thegavel-gavel/mcp#chg-chg_01a056a9-47aa-7d3d-a034-2e6e32d71ae6"
    },
    {
      "id": "chg_01a056a9-47ac-7379-9d1e-37eccbfe23b6",
      "kind": "server.breaking_without_version_bump",
      "family": "",
      "subject_kind": "server",
      "subject": "0.4.0",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "0.4.0",
      "to_value": "0.4.0",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "removed": "0",
        "version": "0.4.0",
        "breaking": "1"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 07:12:09.31148+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 0.4.0)",
      "link": "https://verifymcp.io/servers/io-thegavel-gavel/mcp#chg-chg_01a056a9-47ac-7379-9d1e-37eccbfe23b6"
    },
    {
      "id": "chg_01a04e09-1b73-7c31-b618-a786f76c68d9",
      "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": "1",
        "removed": "0",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 15:00:14.749218+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Stability (0.03 → fail)",
      "link": "https://verifymcp.io/servers/io-thegavel-gavel/mcp#chg-chg_01a04e09-1b73-7c31-b618-a786f76c68d9"
    },
    {
      "id": "chg_01a04e09-1b74-7942-94b7-20d04a8fcf9c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_gavel_indicator",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_gavel_indicator"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 15:00:14.749218+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “get_gavel_indicator” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-thegavel-gavel/mcp#chg-chg_01a04e09-1b74-7942-94b7-20d04a8fcf9c"
    },
    {
      "id": "chg_01a04e09-1b76-75a5-a2fe-e2d35fc721bc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_mvrv",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_mvrv"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 15:00:14.749218+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “get_mvrv” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-thegavel-gavel/mcp#chg-chg_01a04e09-1b76-75a5-a2fe-e2d35fc721bc"
    },
    {
      "id": "chg_01a04e09-1b77-7479-8094-675866488395",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_gavel_indicators",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_gavel_indicators"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 15:00:14.749218+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “list_gavel_indicators” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-thegavel-gavel/mcp#chg-chg_01a04e09-1b77-7479-8094-675866488395"
    },
    {
      "id": "chg_01a04e09-1b78-79db-8251-fff770b33d88",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_onchain_indicators",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_onchain_indicators"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 15:00:14.749218+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “list_onchain_indicators” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/io-thegavel-gavel/mcp#chg-chg_01a04e09-1b78-79db-8251-fff770b33d88"
    },
    {
      "id": "chg_01a04e09-1b79-7869-ba12-0184044924c3",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 15:00:14.749218+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/io-thegavel-gavel/mcp#chg-chg_01a04e09-1b79-7869-ba12-0184044924c3"
    }
  ],
  "days": [
    {
      "date": "2026-09-25",
      "total": 75,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-23",
      "total": 74,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 87,
        "to": 90,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 26,
          "to_days": 27
        },
        "partial": false,
        "compared_to": "2026-09-22",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 87 to 90. That category is still filling its 30-day observation window: 26 days of observed history at the previous scan, 27 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-21",
      "total": 73,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 80,
        "to": 83,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 24,
          "to_days": 25
        },
        "partial": false,
        "compared_to": "2026-09-20",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 80 to 83. That category is still filling its 30-day observation window: 24 days of observed history at the previous scan, 25 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-19",
      "total": 72,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 73,
        "to": 77,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 22,
          "to_days": 23
        },
        "partial": false,
        "compared_to": "2026-09-18",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 73 to 77. That category is still filling its 30-day observation window: 22 days of observed history at the previous scan, 23 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-16",
      "total": 71,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 63,
        "to": 67,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 19,
          "to_days": 20
        },
        "partial": false,
        "compared_to": "2026-09-15",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 63 to 67. That category is still filling its 30-day observation window: 19 days of observed history at the previous scan, 20 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-14",
      "total": 70,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 57,
        "to": 60,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 17,
          "to_days": 18
        },
        "partial": false,
        "compared_to": "2026-09-13",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 57 to 60. That category is still filling its 30-day observation window: 17 days of observed history at the previous scan, 18 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-12",
      "total": 69,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 50,
        "to": 53,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 15,
          "to_days": 16
        },
        "partial": false,
        "compared_to": "2026-09-11",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 50 to 53. That category is still filling its 30-day observation window: 15 days of observed history at the previous scan, 16 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-10",
      "total": 68,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 43,
        "to": 47,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 13,
          "to_days": 14
        },
        "partial": false,
        "compared_to": "2026-09-09",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 43 to 47. That category is still filling its 30-day observation window: 13 days of observed history at the previous scan, 14 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}