{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "grahammccain-chart-library",
  "component": "chartlibrary",
  "generated_at": "2026-09-26T07:04:19.400Z",
  "tracking_since": "2026-09-07",
  "counts": {
    "critical": 0,
    "security": 8,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0c22e-3080-7386-b9d3-b87417c3b474",
      "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": "2026-09-21",
      "occurred_at": "2026-09-21 04:16:41.994008+00",
      "observed_since": "2026-09-20",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/grahammccain-chart-library/chartlibrary#chg-chg_01a0c22e-3080-7386-b9d3-b87417c3b474"
    },
    {
      "id": "chg_01a0bd08-7495-755b-aaec-0a6b43062ee8",
      "kind": "check.unverifiable",
      "family": "https",
      "subject_kind": "check",
      "subject": "https",
      "subject_child": "",
      "from_code": "https.enforced",
      "to_code": "https.inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "plaintext_status",
        "status": "406"
      },
      "occurred_on": "2026-09-20",
      "occurred_at": "2026-09-20 04:17:22.763725+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "HTTPS (pass → unverified)",
      "link": "https://verifymcp.io/servers/grahammccain-chart-library/chartlibrary#chg-chg_01a0bd08-7495-755b-aaec-0a6b43062ee8"
    },
    {
      "id": "chg_01a0bd08-749b-719f-8c06-8cb84a5ca04a",
      "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": "2026-09-20",
      "occurred_at": "2026-09-20 04:17:22.763725+00",
      "observed_since": "2026-09-19",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/grahammccain-chart-library/chartlibrary#chg-chg_01a0bd08-749b-719f-8c06-8cb84a5ca04a"
    },
    {
      "id": "chg_01a09e21-276c-7119-90c1-1fce34da0542",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "market_state",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "market_state"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 04:16:07.935202+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool “market_state” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/grahammccain-chart-library/chartlibrary#chg-chg_01a09e21-276c-7119-90c1-1fce34da0542"
    },
    {
      "id": "chg_01a098f9-f2a9-7ede-970d-0f591ba37690",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "read_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "read_research"
      },
      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 04:15:12.413684+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “read_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/grahammccain-chart-library/chartlibrary#chg-chg_01a098f9-f2a9-7ede-970d-0f591ba37690"
    },
    {
      "id": "chg_01a08b9e-883e-700f-ba48-f54bf4625e43",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "read_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "read_research"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 14:00:17.393585+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “read_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/grahammccain-chart-library/chartlibrary#chg-chg_01a08b9e-883e-700f-ba48-f54bf4625e43"
    },
    {
      "id": "chg_01a08b9e-883f-7033-98fe-7ad68c102aa4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_research"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 14:00:17.393585+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “search_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/grahammccain-chart-library/chartlibrary#chg-chg_01a08b9e-883f-7033-98fe-7ad68c102aa4"
    },
    {
      "id": "chg_01a088d6-729a-7609-8c1b-fca0c913d6a5",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 01:02:30.505577+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/grahammccain-chart-library/chartlibrary#chg-chg_01a088d6-729a-7609-8c1b-fca0c913d6a5"
    }
  ],
  "days": [
    {
      "date": "2026-09-25",
      "total": 74,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-24",
      "total": 74,
      "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": "2026-09-23",
        "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": "2026-09-22",
      "total": 73,
      "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": "2026-09-21",
        "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": "2026-09-21",
      "total": 72,
      "delta": 2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 9
    },
    {
      "date": "2026-09-20",
      "total": 70,
      "delta": -4,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-09-18",
      "total": 74,
      "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": "2026-09-17",
        "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": "2026-09-17",
      "total": 73,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-16",
      "total": 73,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 27,
        "to": 30,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 8,
          "to_days": 9
        },
        "partial": false,
        "compared_to": "2026-09-15",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 27 to 30. That category is still filling its 30-day observation window: 8 days of observed history at the previous scan, 9 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}