{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
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  "component": "mergetrain",
  "generated_at": "2026-09-21T02:17:35.070Z",
  "tracking_since": "2026-07-29",
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      "materiality": "security",
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      "occurred_at": "2026-09-14 06:09:02.468029+00",
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      "materiality": "security",
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      "occurred_at": "2026-09-12 06:09:26.151427+00",
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      "occurred_at": "2026-09-11 06:09:50.687023+00",
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      "occurred_at": "2026-09-08 06:06:03.547308+00",
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      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_01a07f9f-a3db-75f7-bf2b-582e3ea2e744"
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      "occurred_at": "2026-09-05 00:00:30.779693+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool safety (Tool safety not yet verified: we do not have a sandbox capture of the tool definitions this version of the package serves yet.)",
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      "materiality": "security",
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      "occurred_at": "2026-09-05 00:00:30.779693+00",
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      "source": "scan",
      "summary": "Stability (Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet.)",
      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_01a06edd-e495-7ccf-b9e8-b53eac864625"
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      "kind": "check.reason",
      "family": "stability",
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      "subject": "stability",
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      "from_value": "unverified",
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      "materiality": "security",
      "direction": "neutral",
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        "status": "unreachable"
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      "occurred_at": "2026-09-04 02:06:00.711027+00",
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      "source": "scan",
      "summary": "Stability (Stability not yet verified: this package installed, but its server did not start, so we have no schema to compare.)",
      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_01a06a2a-6e57-79ce-9fcc-db909fb737b8"
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    {
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      "kind": "check.reason",
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      "subject": "tool-safety-injection",
      "subject_child": "",
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      "from_value": "unverified",
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      "materiality": "security",
      "direction": "neutral",
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        "status": "unreachable"
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      "occurred_at": "2026-09-04 02:06:00.711027+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool safety (Tool safety not yet verified: this package installed, but its server did not start, so we have no tool text to scan.)",
      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_01a06a2a-6e59-77ab-a223-d9ec7a3fe691"
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    {
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      "kind": "check.reason",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.sandbox_failed",
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      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
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      "occurred_at": "2026-09-03 14:00:14.999903+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool safety (Tool safety not yet verified: we do not have a sandbox capture of the tool definitions this version of the package serves yet.)",
      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_01a06791-fa14-7e18-a048-be31a73729a3"
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    {
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      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
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      "from_value": "unverified",
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      "materiality": "security",
      "direction": "neutral",
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      "occurred_at": "2026-09-03 14:00:14.999903+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet.)",
      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_01a06791-fa16-7e78-895e-9b5247b33826"
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    {
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      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
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      "to_code": "stability.sandbox_failed",
      "from_value": "unverified",
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
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        "status": "unreachable"
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      "occurred_at": "2026-09-02 07:04:38.099534+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: this package installed, but its server did not start, so we have no schema to compare.)",
      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_01a060ef-1c5a-7c45-9d1a-67a6f00ea112"
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    {
      "id": "chg_01a060ef-1c5b-7c85-810a-680e6ef60f54",
      "kind": "check.reason",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.sandbox_pending",
      "to_code": "toolsafety.sandbox_failed",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
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      "detail": {
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        "status": "unreachable"
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      "occurred_at": "2026-09-02 07:04:38.099534+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool safety (Tool safety not yet verified: this package installed, but its server did not start, so we have no tool text to scan.)",
      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_01a060ef-1c5b-7c85-810a-680e6ef60f54"
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    {
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      "kind": "check.reason",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.sandbox_failed",
      "to_code": "toolsafety.sandbox_pending",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
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      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 17:00:05.131048+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool safety (Tool safety not yet verified: we do not have a sandbox capture of the tool definitions this version of the package serves yet.)",
      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_01a05de9-e6b9-7d8e-873c-bf2948d44ea3"
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    {
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      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.sandbox_failed",
      "to_code": "stability.sandbox_pending",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "reason": "version_superseded"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 17:00:05.131048+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet.)",
      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_01a05de9-e6c0-72b3-942f-95ae8e83a238"
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    {
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      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.sandbox_pending",
      "to_code": "stability.sandbox_failed",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
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        "status": "unreachable"
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      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 03:03:51.676028+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: this package installed, but its server did not start, so we have no schema to compare.)",
      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_01a04b79-3cf8-7bee-b6ce-b31f9ac17be3"
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    {
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      "kind": "check.reason",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.sandbox_pending",
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      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
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        "status": "unreachable"
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      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 03:03:51.676028+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool safety (Tool safety not yet verified: this package installed, but its server did not start, so we have no tool text to scan.)",
      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_01a04b79-3cfa-7782-a20f-15dd48789610"
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    {
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      "kind": "check.reason",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.sandbox_failed",
      "to_code": "toolsafety.sandbox_pending",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
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      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 09:01:50.011377+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Tool safety (Tool safety not yet verified: we do not have a sandbox capture of the tool definitions this version of the package serves yet.)",
      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_01a0479a-9e0a-7373-8de5-27a0694047a0"
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    {
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      "kind": "check.reason",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
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      "to_code": "stability.sandbox_pending",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
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      "occurred_at": "2026-08-28 09:01:50.011377+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Stability (Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet.)",
      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_01a0479a-9e0b-766c-aa0e-e9bc0ec7610b"
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    {
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      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_inconclusive",
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      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 03:01:53.81172+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Malware scan (unverified → pass)",
      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_019fe478-403e-7289-8f3f-04f50489610b"
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    {
      "id": "chg_019fb5c2-b586-7b09-bb87-fe27f14052d2",
      "kind": "check.unverifiable",
      "family": "supplychain-malware",
      "subject_kind": "check",
      "subject": "supplychain-malware",
      "subject_child": "",
      "from_code": "supplychain.malware_clean",
      "to_code": "supplychain.malware_inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-31",
      "occurred_at": "2026-07-31 01:21:04.378318+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Malware scan (pass → unverified)",
      "link": "https://verifymcp.io/servers/yongjip-mergetrain/mergetrain#chg-chg_019fb5c2-b586-7b09-bb87-fe27f14052d2"
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      "delta": -15,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
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}