{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "cyanheads-crossref-mcp-server",
  "component": "crossref",
  "generated_at": "2026-11-05T14:40:57.175Z",
  "tracking_since": "2026-09-19",
  "counts": {
    "critical": 0,
    "security": 14,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a1a585-497e-746a-b151-03f90b4a1b9c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "crossref_get_member",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "crossref_get_member"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 07:45:38.145015+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “crossref_get_member” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-crossref-mcp-server/crossref#chg-chg_01a1a585-497e-746a-b151-03f90b4a1b9c"
    },
    {
      "id": "chg_01a1a585-497f-7e09-9e8b-f4ee7be6296f",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "crossref_get_prefix",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "crossref_get_prefix"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 07:45:38.145015+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “crossref_get_prefix” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-crossref-mcp-server/crossref#chg-chg_01a1a585-497f-7e09-9e8b-f4ee7be6296f"
    },
    {
      "id": "chg_01a1a585-4980-7bcb-ae3e-7129bad8cab9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "crossref_get_work",
      "subject_child": "",
      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "crossref_get_work"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 07:45:38.145015+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “crossref_get_work” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-crossref-mcp-server/crossref#chg-chg_01a1a585-4980-7bcb-ae3e-7129bad8cab9"
    },
    {
      "id": "chg_01a1a585-4981-7c44-94a2-1b13e61703df",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "crossref_search_funders",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "crossref_search_funders"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 07:45:38.145015+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “crossref_search_funders” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-crossref-mcp-server/crossref#chg-chg_01a1a585-4981-7c44-94a2-1b13e61703df"
    },
    {
      "id": "chg_01a1a585-4983-709d-8f6c-a263b919d213",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "crossref_search_journals",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "crossref_search_journals"
      },
      "occurred_on": "2026-11-04",
      "occurred_at": "2026-11-04 07:45:38.145015+00",
      "observed_since": "2026-11-03",
      "source": "scan",
      "summary": "Tool “crossref_search_journals” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-crossref-mcp-server/crossref#chg-chg_01a1a585-4983-709d-8f6c-a263b919d213"
    },
    {
      "id": "chg_01a16d4c-54be-7e93-88d3-d99b3dd11c3e",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.churn",
      "to_code": "stability.stable",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-24",
      "occurred_at": "2026-10-24 09:44:41.377807+00",
      "observed_since": "2026-10-23",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-crossref-mcp-server/crossref#chg-chg_01a16d4c-54be-7e93-88d3-d99b3dd11c3e"
    },
    {
      "id": "chg_01a16822-21e1-7f42-83c5-2b607c265165",
      "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": "2026-10-23",
      "occurred_at": "2026-10-23 09:40:29.691133+00",
      "observed_since": "2026-10-22",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/cyanheads-crossref-mcp-server/crossref#chg-chg_01a16822-21e1-7f42-83c5-2b607c265165"
    },
    {
      "id": "chg_01a16822-21d2-7d01-970a-46bf4f45a4ef",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "crossref_search_journals",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "crossref_search_journals"
      },
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 09:40:29.691133+00",
      "observed_since": "2026-10-22",
      "source": "scan",
      "summary": "Tool “crossref_search_journals” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-crossref-mcp-server/crossref#chg-chg_01a16822-21d2-7d01-970a-46bf4f45a4ef"
    },
    {
      "id": "chg_01a16822-21d7-70ed-a794-2210a564b04e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "crossref_search_works",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "crossref_search_works"
      },
      "occurred_on": "2026-10-23",
      "occurred_at": "2026-10-23 09:40:29.691133+00",
      "observed_since": "2026-10-22",
      "source": "scan",
      "summary": "Tool “crossref_search_works” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-crossref-mcp-server/crossref#chg-chg_01a16822-21d7-70ed-a794-2210a564b04e"
    },
    {
      "id": "chg_01a0d2e2-841f-7013-be1d-7fafa99fe82a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "crossref_get_work",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "crossref_get_work"
      },
      "occurred_on": "2026-09-24",
      "occurred_at": "2026-09-24 10:07:34.946394+00",
      "observed_since": "2026-09-24",
      "source": "scan",
      "summary": "Tool “crossref_get_work” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-crossref-mcp-server/crossref#chg-chg_01a0d2e2-841f-7013-be1d-7fafa99fe82a"
    },
    {
      "id": "chg_01a0d274-8715-787f-b3f0-2243384aa37d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "crossref_search_journals",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "crossref_search_journals"
      },
      "occurred_on": "2026-09-24",
      "occurred_at": "2026-09-24 08:07:27.011264+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Tool “crossref_search_journals” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-crossref-mcp-server/crossref#chg-chg_01a0d274-8715-787f-b3f0-2243384aa37d"
    },
    {
      "id": "chg_01a0d274-8714-7c0a-831c-1b4d99a61910",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "crossref_search_funders",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "crossref_search_funders"
      },
      "occurred_on": "2026-09-24",
      "occurred_at": "2026-09-24 08:07:27.011264+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Tool “crossref_search_funders” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-crossref-mcp-server/crossref#chg-chg_01a0d274-8714-7c0a-831c-1b4d99a61910"
    },
    {
      "id": "chg_01a0d274-8713-76fc-92dd-0a4bb1ca968f",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.13",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "5",
        "added": "0",
        "breaks": "3",
        "removed": "0",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-24",
      "occurred_at": "2026-09-24 08:07:27.011264+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Stability (0.13 → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-crossref-mcp-server/crossref#chg-chg_01a0d274-8713-76fc-92dd-0a4bb1ca968f"
    },
    {
      "id": "chg_01a0d274-8718-7b45-9227-cceceb754116",
      "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": "2026-09-24",
      "occurred_at": "2026-09-24 08:07:27.011264+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/cyanheads-crossref-mcp-server/crossref#chg-chg_01a0d274-8718-7b45-9227-cceceb754116"
    }
  ],
  "days": [
    {
      "date": "2026-11-04",
      "total": 88,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 19
    },
    {
      "date": "2026-10-28",
      "total": 88,
      "delta": 2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-10-24",
      "total": 86,
      "delta": 3,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-10-23",
      "total": 83,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 15
    },
    {
      "date": "2026-10-18",
      "total": 83,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 72,
        "to": 75,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-17",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 72 to 75."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-16",
      "total": 82,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 65,
        "to": 69,
        "delta": 4,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-15",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 65 to 69."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-14",
      "total": 81,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 59,
        "to": 62,
        "delta": 3,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-13",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 59 to 62."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-12",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 49,
        "to": 55,
        "delta": 6,
        "others": [],
        "accrual": null,
        "partial": false,
        "compared_to": "2026-10-10",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 49 to 55."
      },
      "event_count": 0
    }
  ]
}