{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pcfhub-pcfhub",
  "component": "pcfhub",
  "generated_at": "2026-09-20T17:37:40.391Z",
  "tracking_since": "2026-09-13",
  "counts": {
    "critical": 0,
    "security": 11,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0bccd-979c-75ae-b210-5f35da0f9bcf",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_components",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_components"
      },
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 03:13:05.331829+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “list_components” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pcfhub-pcfhub/pcfhub#chg-chg_01a0bccd-979c-75ae-b210-5f35da0f9bcf"
    },
    {
      "id": "chg_01a0bccd-979d-7b4b-8dce-b3cf1b866a19",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_taxonomy",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_taxonomy"
      },
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 03:13:05.331829+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "Tool “list_taxonomy” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pcfhub-pcfhub/pcfhub#chg-chg_01a0bccd-979d-7b4b-8dce-b3cf1b866a19"
    },
    {
      "id": "chg_01a0a834-95b7-773c-ab53-06bd37e87490",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_component",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_component"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 03:13:33.495058+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “get_component” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pcfhub-pcfhub/pcfhub#chg-chg_01a0a834-95b7-773c-ab53-06bd37e87490"
    },
    {
      "id": "chg_01a0a834-95b8-7122-87f9-a85bb63876d6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_doc_page",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_doc_page"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 03:13:33.495058+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “get_doc_page” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pcfhub-pcfhub/pcfhub#chg-chg_01a0a834-95b8-7122-87f9-a85bb63876d6"
    },
    {
      "id": "chg_01a0a834-95b8-7dbd-8bdc-1292aabf252b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_components",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_components"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 03:13:33.495058+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “list_components” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pcfhub-pcfhub/pcfhub#chg-chg_01a0a834-95b8-7dbd-8bdc-1292aabf252b"
    },
    {
      "id": "chg_01a0a834-95b9-797e-91ce-9a5f486e941c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_doc_sections",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_doc_sections"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 03:13:33.495058+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “list_doc_sections” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pcfhub-pcfhub/pcfhub#chg-chg_01a0a834-95b9-797e-91ce-9a5f486e941c"
    },
    {
      "id": "chg_01a0a834-95ba-75a6-89ed-523523a617f1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_releases",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_releases"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 03:13:33.495058+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “list_releases” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pcfhub-pcfhub/pcfhub#chg-chg_01a0a834-95ba-75a6-89ed-523523a617f1"
    },
    {
      "id": "chg_01a0a834-95ba-7f04-b89a-30b9aea04942",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_taxonomy",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_taxonomy"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 03:13:33.495058+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “list_taxonomy” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pcfhub-pcfhub/pcfhub#chg-chg_01a0a834-95ba-7f04-b89a-30b9aea04942"
    },
    {
      "id": "chg_01a0a834-95bc-73ab-8682-4d1e75462d1c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 03:13:33.495058+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “search” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pcfhub-pcfhub/pcfhub#chg-chg_01a0a834-95bc-73ab-8682-4d1e75462d1c"
    },
    {
      "id": "chg_01a0a834-95bc-7dc1-bc6d-d127f6d9ebe7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "validate_manifest",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "validate_manifest"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 03:13:33.495058+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “validate_manifest” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pcfhub-pcfhub/pcfhub#chg-chg_01a0a834-95bc-7dc1-bc6d-d127f6d9ebe7"
    },
    {
      "id": "chg_01a0a834-95bd-735a-b27f-6ed19f743112",
      "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": "2026-09-16",
      "occurred_at": "2026-09-16 03:13:33.495058+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pcfhub-pcfhub/pcfhub#chg-chg_01a0a834-95bd-735a-b27f-6ed19f743112"
    }
  ],
  "days": [
    {
      "date": "2026-09-20",
      "total": 69,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-09-19",
      "total": 69,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 17,
        "to": 20,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 5,
          "to_days": 6
        },
        "partial": false,
        "compared_to": "2026-09-18",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 17 to 20. That category is still filling its 30-day observation window: 5 days of observed history at the previous scan, 6 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-18",
      "total": 68,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-17",
      "total": 68,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 10,
        "to": 13,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 3,
          "to_days": 4
        },
        "partial": false,
        "compared_to": "2026-09-16",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 10 to 13. That category is still filling its 30-day observation window: 3 days of observed history at the previous scan, 4 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-16",
      "total": 67,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 19
    },
    {
      "date": "2026-09-14",
      "total": 68,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-13",
      "total": 67,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}