{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "open-mtor-atlas-mtor-atlas",
  "component": "mtor-atlas-mcp-2",
  "generated_at": "2026-10-25T06:46:43.993Z",
  "tracking_since": "2026-10-01",
  "counts": {
    "critical": 0,
    "security": 11,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a160f9-6cb0-7550-a7ef-22c89e71ceaa",
      "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": "2026-10-22",
      "occurred_at": "2026-10-22 00:18:41.403297+00",
      "observed_since": "2026-10-21",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/open-mtor-atlas-mtor-atlas/mtor-atlas-mcp-2#chg-chg_01a160f9-6cb0-7550-a7ef-22c89e71ceaa"
    },
    {
      "id": "chg_01a14b3c-7fb1-7833-93c6-91f84a1456b5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "find_contradictions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "find_contradictions"
      },
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 19:00:18.448182+00",
      "observed_since": "2026-10-17",
      "source": "scan",
      "summary": "Tool “find_contradictions” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/open-mtor-atlas-mtor-atlas/mtor-atlas-mcp-2#chg-chg_01a14b3c-7fb1-7833-93c6-91f84a1456b5"
    },
    {
      "id": "chg_01a14b3c-7fb0-74bf-a66e-07fc223bf093",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "atlas_about",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "atlas_about"
      },
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 19:00:18.448182+00",
      "observed_since": "2026-10-17",
      "source": "scan",
      "summary": "Tool “atlas_about” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/open-mtor-atlas-mtor-atlas/mtor-atlas-mcp-2#chg-chg_01a14b3c-7fb0-74bf-a66e-07fc223bf093"
    },
    {
      "id": "chg_01a14217-10ed-7f3a-84bb-ec8dd3d288dd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_studies",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_studies"
      },
      "occurred_on": "2026-10-16",
      "occurred_at": "2026-10-16 00:22:49.253077+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Tool “search_studies” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/open-mtor-atlas-mtor-atlas/mtor-atlas-mcp-2#chg-chg_01a14217-10ed-7f3a-84bb-ec8dd3d288dd"
    },
    {
      "id": "chg_01a14217-10da-7367-af2f-64583e7d6996",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_study",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_study"
      },
      "occurred_on": "2026-10-16",
      "occurred_at": "2026-10-16 00:22:49.253077+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Tool “get_study” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/open-mtor-atlas-mtor-atlas/mtor-atlas-mcp-2#chg-chg_01a14217-10da-7367-af2f-64583e7d6996"
    },
    {
      "id": "chg_01a14217-11a9-7299-b121-68ebafeb7b70",
      "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": "2026-10-16",
      "occurred_at": "2026-10-16 00:22:49.253077+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/open-mtor-atlas-mtor-atlas/mtor-atlas-mcp-2#chg-chg_01a14217-11a9-7299-b121-68ebafeb7b70"
    },
    {
      "id": "chg_01a1341c-71c2-7b4c-acf6-3ca1622e3cae",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "atlas_about",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "atlas_about"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 07:14:01.695076+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “atlas_about” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/open-mtor-atlas-mtor-atlas/mtor-atlas-mcp-2#chg-chg_01a1341c-71c2-7b4c-acf6-3ca1622e3cae"
    },
    {
      "id": "chg_01a1341c-71c6-7d9d-ae2b-5c062f988c0b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "evidence_between",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "evidence_between"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 07:14:01.695076+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “evidence_between” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/open-mtor-atlas-mtor-atlas/mtor-atlas-mcp-2#chg-chg_01a1341c-71c6-7d9d-ae2b-5c062f988c0b"
    },
    {
      "id": "chg_01a1341c-71cb-706f-874b-6841b4b66891",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "find_contradictions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "find_contradictions"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 07:14:01.695076+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “find_contradictions” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/open-mtor-atlas-mtor-atlas/mtor-atlas-mcp-2#chg-chg_01a1341c-71cb-706f-874b-6841b4b66891"
    },
    {
      "id": "chg_01a1341c-71d0-7658-a94d-345ebfe6bd37",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_questions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_questions"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 07:14:01.695076+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “list_questions” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/open-mtor-atlas-mtor-atlas/mtor-atlas-mcp-2#chg-chg_01a1341c-71d0-7658-a94d-345ebfe6bd37"
    },
    {
      "id": "chg_01a1341c-71d3-7864-bc2b-c283c26da8a8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_entities",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_entities"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 07:14:01.695076+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “search_entities” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/open-mtor-atlas-mtor-atlas/mtor-atlas-mcp-2#chg-chg_01a1341c-71d3-7864-bc2b-c283c26da8a8"
    }
  ],
  "days": [
    {
      "date": "2026-10-24",
      "total": 75,
      "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": "2026-10-23",
        "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": "2026-10-22",
      "total": 74,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-21",
      "total": 74,
      "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": "2026-10-20",
        "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": "2026-10-19",
      "total": 73,
      "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": "2026-10-18",
        "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": "2026-10-17",
      "total": 72,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 3
    },
    {
      "date": "2026-10-16",
      "total": 71,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 10
    },
    {
      "date": "2026-10-14",
      "total": 71,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 13
    },
    {
      "date": "2026-10-13",
      "total": 70,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 18
    }
  ]
}