{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "dev-workers-pathwren-www-agent-discovery-doctor",
  "component": "c-mcp-registry-official-mcp-doctor",
  "generated_at": "2026-09-21T21:25:25.067Z",
  "tracking_since": "2026-09-01",
  "counts": {
    "critical": 0,
    "security": 21,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a07999-2254-70c0-b7a9-1bb875fc94a0",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "check_discovery_documents",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "check_discovery_documents"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 02:01:14.007958+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “check_discovery_documents” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a07999-2254-70c0-b7a9-1bb875fc94a0"
    },
    {
      "id": "chg_01a07999-2254-7be4-9b25-3d0d9c6accd3",
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      "subject_kind": "tool",
      "subject": "explain_document",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "explain_document"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 02:01:14.007958+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “explain_document” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a07999-2254-7be4-9b25-3d0d9c6accd3"
    },
    {
      "id": "chg_01a07999-2255-7370-9fa1-c2cee6b96881",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "llms_txt_from_sitemap",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "llms_txt_from_sitemap"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 02:01:14.007958+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “llms_txt_from_sitemap” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a07999-2255-7370-9fa1-c2cee6b96881"
    },
    {
      "id": "chg_01a07999-2255-78ae-8382-44e8fc346479",
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      "subject_kind": "tool",
      "subject": "validate_agent_card",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "validate_agent_card"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 02:01:14.007958+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “validate_agent_card” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a07999-2255-78ae-8382-44e8fc346479"
    },
    {
      "id": "chg_01a07999-2255-7d98-b20a-a0f4826f2bff",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "validate_llms_txt",
      "subject_child": "",
      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "validate_llms_txt"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 02:01:14.007958+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “validate_llms_txt” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a07999-2255-7d98-b20a-a0f4826f2bff"
    },
    {
      "id": "chg_01a07999-2256-734e-9d9c-91f00e76a0a5",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "whoami",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "whoami"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 02:01:14.007958+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “whoami” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a07999-2256-734e-9d9c-91f00e76a0a5"
    },
    {
      "id": "chg_01a07999-2256-7db2-9015-50e4dccdbef2",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 02:01:14.007958+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a07999-2256-7db2-9015-50e4dccdbef2"
    },
    {
      "id": "chg_01a07471-c959-7e5f-b3e8-f0dd20112518",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "whoami",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "whoami"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 02:00:09.196106+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool “whoami” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a07471-c959-7e5f-b3e8-f0dd20112518"
    },
    {
      "id": "chg_01a07471-c95b-7a6a-8e5f-d28b478355a4",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 02:00:09.196106+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a07471-c95b-7a6a-8e5f-d28b478355a4"
    },
    {
      "id": "chg_01a06a2f-5e81-7d8c-9d00-473e7492dfbf",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "example",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "example"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 02:11:24.281154+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “example” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a06a2f-5e81-7d8c-9d00-473e7492dfbf"
    },
    {
      "id": "chg_01a06a2f-5e86-7490-84bb-429013aa779b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "whoami",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "whoami"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 02:11:24.281154+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “whoami” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a06a2f-5e86-7490-84bb-429013aa779b"
    },
    {
      "id": "chg_01a06a2f-5e89-74a1-bbea-987ec4cf0a6b",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 02:11:24.281154+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a06a2f-5e89-74a1-bbea-987ec4cf0a6b"
    },
    {
      "id": "chg_01a06577-78c5-744f-87b4-2979e62a3328",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "check_discovery_documents",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "check_discovery_documents"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 04:12:03.557661+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “check_discovery_documents” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a06577-78c5-744f-87b4-2979e62a3328"
    },
    {
      "id": "chg_01a06577-78c5-78e5-bbfc-71727d8e68a2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "explain_document",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "explain_document"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 04:12:03.557661+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “explain_document” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a06577-78c5-78e5-bbfc-71727d8e68a2"
    },
    {
      "id": "chg_01a06577-78c5-7d10-8e70-82518dd5d113",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "llms_txt_from_sitemap",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "llms_txt_from_sitemap"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 04:12:03.557661+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “llms_txt_from_sitemap” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a06577-78c5-7d10-8e70-82518dd5d113"
    },
    {
      "id": "chg_01a06577-78c6-72c6-8eee-b88c8fa390de",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "validate_agent_card",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "validate_agent_card"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 04:12:03.557661+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “validate_agent_card” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a06577-78c6-72c6-8eee-b88c8fa390de"
    },
    {
      "id": "chg_01a06577-78c6-7767-8bb1-d9bbfbdda99b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "validate_llms_txt",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "validate_llms_txt"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 04:12:03.557661+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “validate_llms_txt” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a06577-78c6-7767-8bb1-d9bbfbdda99b"
    },
    {
      "id": "chg_01a06577-78c6-7c2c-8621-f967e0b37661",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 04:12:03.557661+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a06577-78c6-7c2c-8621-f967e0b37661"
    },
    {
      "id": "chg_01a06050-a6b7-707b-9708-c8f279ea9cfa",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "check_discovery_documents",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "check_discovery_documents"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 04:11:33.301102+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “check_discovery_documents” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a06050-a6b7-707b-9708-c8f279ea9cfa"
    },
    {
      "id": "chg_01a06050-a6b9-7acc-9a7f-806e9ceed1a3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "explain_document",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "explain_document"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 04:11:33.301102+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “explain_document” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a06050-a6b9-7acc-9a7f-806e9ceed1a3"
    },
    {
      "id": "chg_01a06050-a6bc-74bf-9c25-55ddcb6cc586",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 04:11:33.301102+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-workers-pathwren-www-agent-discovery-doctor/c-mcp-registry-official-mcp-doctor#chg-chg_01a06050-a6bc-74bf-9c25-55ddcb6cc586"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 84,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 60,
        "to": 63,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 18,
          "to_days": 19
        },
        "partial": false,
        "compared_to": "2026-09-19",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 60 to 63. That category is still filling its 30-day observation window: 18 days of observed history at the previous scan, 19 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-18",
      "total": 83,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 53,
        "to": 57,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 16,
          "to_days": 17
        },
        "partial": false,
        "compared_to": "2026-09-17",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 53 to 57. That category is still filling its 30-day observation window: 16 days of observed history at the previous scan, 17 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-16",
      "total": 82,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 47,
        "to": 50,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 14,
          "to_days": 15
        },
        "partial": false,
        "compared_to": "2026-09-15",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 47 to 50. That category is still filling its 30-day observation window: 14 days of observed history at the previous scan, 15 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-14",
      "total": 81,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 40,
        "to": 43,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 12,
          "to_days": 13
        },
        "partial": false,
        "compared_to": "2026-09-13",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 40 to 43. That category is still filling its 30-day observation window: 12 days of observed history at the previous scan, 13 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-12",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 33,
        "to": 37,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 10,
          "to_days": 11
        },
        "partial": false,
        "compared_to": "2026-09-11",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 33 to 37. That category is still filling its 30-day observation window: 10 days of observed history at the previous scan, 11 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-09",
      "total": 79,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 23,
        "to": 27,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 7,
          "to_days": 8
        },
        "partial": false,
        "compared_to": "2026-09-08",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-07",
      "total": 78,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 10
    },
    {
      "date": "2026-09-06",
      "total": 78,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    }
  ]
}