{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "dev-zhiyong-knowledge-graph",
  "component": "zhiyong",
  "generated_at": "2026-10-24T07:00:27.677Z",
  "tracking_since": "2026-08-30",
  "counts": {
    "critical": 0,
    "security": 47,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a13dbe-bb76-75d4-a2d0-c834450b98ab",
      "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": "2026-10-15",
      "occurred_at": "2026-10-15 04:07:50.240843+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a13dbe-bb76-75d4-a2d0-c834450b98ab"
    },
    {
      "id": "chg_01a13898-4742-7e35-8d17-6d3c2d1e2171",
      "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": "2026-10-14",
      "occurred_at": "2026-10-14 04:07:45.141054+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a13898-4742-7e35-8d17-6d3c2d1e2171"
    },
    {
      "id": "chg_01a1336f-c5ac-74ef-a4de-242761e9a41e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_knowledge_graph",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_knowledge_graph"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 04:05:25.493346+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Tool “search_knowledge_graph” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a1336f-c5ac-74ef-a4de-242761e9a41e"
    },
    {
      "id": "chg_01a1336f-c5ad-7b3d-91b9-f0ba49e21132",
      "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": "2026-10-13",
      "occurred_at": "2026-10-13 04:05:25.493346+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a1336f-c5ad-7b3d-91b9-f0ba49e21132"
    },
    {
      "id": "chg_01a12dcc-f2b9-79a4-8025-1d2c60fbc43e",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.93",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-12",
      "occurred_at": "2026-10-12 01:49:27.531367+00",
      "observed_since": "2026-10-10",
      "source": "scan",
      "summary": "Stability (0.93 → pass)",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a12dcc-f2b9-79a4-8025-1d2c60fbc43e"
    },
    {
      "id": "chg_01a0eb57-3abc-7c2e-a90b-79b1c0c4e723",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-29",
      "occurred_at": "2026-09-29 04:05:57.440716+00",
      "observed_since": "2026-09-28",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a0eb57-3abc-7c2e-a90b-79b1c0c4e723"
    },
    {
      "id": "chg_01a0e10b-f7eb-7828-8a39-0f3cdc9383c1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_agent_task",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_agent_task"
      },
      "occurred_on": "2026-09-27",
      "occurred_at": "2026-09-27 04:07:32.900139+00",
      "observed_since": "2026-09-26",
      "source": "scan",
      "summary": "Tool “get_agent_task” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a0e10b-f7eb-7828-8a39-0f3cdc9383c1"
    },
    {
      "id": "chg_01a0e10b-f7ec-7514-8d36-f3c3fe689922",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_knowledge_graph",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_knowledge_graph"
      },
      "occurred_on": "2026-09-27",
      "occurred_at": "2026-09-27 04:07:32.900139+00",
      "observed_since": "2026-09-26",
      "source": "scan",
      "summary": "Tool “search_knowledge_graph” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a0e10b-f7ec-7514-8d36-f3c3fe689922"
    },
    {
      "id": "chg_01a0e10b-f7ec-7b84-9e82-9217031a4460",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "submit_agent_observation",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "submit_agent_observation"
      },
      "occurred_on": "2026-09-27",
      "occurred_at": "2026-09-27 04:07:32.900139+00",
      "observed_since": "2026-09-26",
      "source": "scan",
      "summary": "Tool “submit_agent_observation” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a0e10b-f7ec-7b84-9e82-9217031a4460"
    },
    {
      "id": "chg_01a0e10b-f7ef-74fb-a1d0-27699d8f2208",
      "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": "2026-09-27",
      "occurred_at": "2026-09-27 04:07:32.900139+00",
      "observed_since": "2026-09-26",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a0e10b-f7ef-74fb-a1d0-27699d8f2208"
    },
    {
      "id": "chg_01a0ad8a-30a7-7256-9e7e-063677f63059",
      "kind": "check.verdict",
      "family": "https",
      "subject_kind": "check",
      "subject": "https",
      "subject_child": "",
      "from_code": "https.plaintext",
      "to_code": "https.enforced",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 04:05:09.752426+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "HTTPS (fail → pass)",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a0ad8a-30a7-7256-9e7e-063677f63059"
    },
    {
      "id": "chg_01a093c6-9c71-7c4a-b5bb-add4345047fa",
      "kind": "check.verdict",
      "family": "https",
      "subject_kind": "check",
      "subject": "https",
      "subject_child": "",
      "from_code": "https.enforced",
      "to_code": "https.plaintext",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 04:01:01.859135+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "HTTPS (pass → fail)",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a093c6-9c71-7c4a-b5bb-add4345047fa"
    },
    {
      "id": "chg_01a093c6-9c75-72c6-8cb5-dc0c6f4bc17b",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_no_destructive",
      "from_value": "unverified",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 04:01:01.859135+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a093c6-9c75-72c6-8cb5-dc0c6f4bc17b"
    },
    {
      "id": "chg_01a093c6-9c75-7e90-b964-ceeeccc4518d",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.redirected",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 04:01:01.859135+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a093c6-9c75-7e90-b964-ceeeccc4518d"
    },
    {
      "id": "chg_01a093c6-9c76-76b3-8798-1031d7386997",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 04:01:01.859135+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a093c6-9c76-76b3-8798-1031d7386997"
    },
    {
      "id": "chg_01a093c6-9c7a-70e6-a289-540ff3ecbf55",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "compare_knowledge_entities",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "compare_knowledge_entities"
      },
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 04:01:01.859135+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “compare_knowledge_entities” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a093c6-9c7a-70e6-a289-540ff3ecbf55"
    },
    {
      "id": "chg_01a093c6-9c7a-7e94-ba91-0b875aa8c960",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_knowledge_entity",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_knowledge_entity"
      },
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 04:01:01.859135+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “get_knowledge_entity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a093c6-9c7a-7e94-ba91-0b875aa8c960"
    },
    {
      "id": "chg_01a093c6-9c7d-7033-af41-41a7ab10d269",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_feedback",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_feedback"
      },
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 04:01:01.859135+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “list_feedback” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a093c6-9c7d-7033-af41-41a7ab10d269"
    },
    {
      "id": "chg_01a093c6-9c7d-75de-ba65-5d72381fdc42",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "reply_to_feedback",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "reply_to_feedback"
      },
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 04:01:01.859135+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “reply_to_feedback” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a093c6-9c7d-75de-ba65-5d72381fdc42"
    },
    {
      "id": "chg_01a093c6-9c7d-7aa7-93f6-9b9603224068",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_knowledge_graph",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_knowledge_graph"
      },
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 04:01:01.859135+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “search_knowledge_graph” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a093c6-9c7d-7aa7-93f6-9b9603224068"
    },
    {
      "id": "chg_01a093c6-9c7e-70c0-b417-36c0dd570342",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "submit_agent_feedback",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "submit_agent_feedback"
      },
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 04:01:01.859135+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “submit_agent_feedback” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a093c6-9c7e-70c0-b417-36c0dd570342"
    },
    {
      "id": "chg_01a093c6-9c7e-7aa9-b75c-4d474bbd07b3",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 04:01:01.859135+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/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a093c6-9c7e-7aa9-b75c-4d474bbd07b3"
    },
    {
      "id": "chg_01a0897a-2579-7040-9fe5-7da25bb74b59",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.redirected",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:01:18.626616+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a0897a-2579-7040-9fe5-7da25bb74b59"
    },
    {
      "id": "chg_01a0897a-257a-750f-bbe6-0b37bd2c7da8",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.33",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:01:18.626616+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Stability (0.33 → unverified)",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a0897a-257a-750f-bbe6-0b37bd2c7da8"
    },
    {
      "id": "chg_01a0897a-257a-7a9e-aa79-1c47281bca04",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:01:18.626616+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a0897a-257a-7a9e-aa79-1c47281bca04"
    },
    {
      "id": "chg_01a0897a-257b-73b8-9ded-11424d1d05b6",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_no_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "partial",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:01:18.626616+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a0897a-257b-73b8-9ded-11424d1d05b6"
    },
    {
      "id": "chg_01a0897a-257c-7f35-a007-036ce2d05d56",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "not_mcp",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "not_mcp",
        "from": "verified"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 04:01:18.626616+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a0897a-257c-7f35-a007-036ce2d05d56"
    },
    {
      "id": "chg_01a07a07-6250-7277-87c6-d28c82c91a0d",
      "kind": "check.verdict",
      "family": "https",
      "subject_kind": "check",
      "subject": "https",
      "subject_child": "",
      "from_code": "https.plaintext",
      "to_code": "https.enforced",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 04:01:39.128907+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "HTTPS (fail → pass)",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a07a07-6250-7277-87c6-d28c82c91a0d"
    },
    {
      "id": "chg_01a07586-3f13-7dfb-8a15-dbbcff81870d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "submit_agent_feedback",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "submit_agent_feedback"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 07:02:07.295746+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “submit_agent_feedback” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a07586-3f13-7dfb-8a15-dbbcff81870d"
    },
    {
      "id": "chg_01a074e1-3e30-716a-9a33-77a32e82600e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "compare_knowledge_entities",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "compare_knowledge_entities"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 04:01:53.617883+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool “compare_knowledge_entities” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a074e1-3e30-716a-9a33-77a32e82600e"
    },
    {
      "id": "chg_01a074e1-3e30-7bd7-969b-113544d63cbe",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_knowledge_entity",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_knowledge_entity"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 04:01:53.617883+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool “get_knowledge_entity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a074e1-3e30-7bd7-969b-113544d63cbe"
    },
    {
      "id": "chg_01a074e1-3e31-725a-a1d8-9d9e7e23cb93",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_knowledge_graph",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_knowledge_graph"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 04:01:53.617883+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool “search_knowledge_graph” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a074e1-3e31-725a-a1d8-9d9e7e23cb93"
    },
    {
      "id": "chg_01a074e1-3e31-7821-bcc6-746b3f614057",
      "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 04:01:53.617883+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-zhiyong-knowledge-graph/zhiyong#chg-chg_01a074e1-3e31-7821-bcc6-746b3f614057"
    },
    {
      "id": "chg_01a06a94-a417-7bb1-9495-d41fee6472ea",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "compare_knowledge_entities",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "compare_knowledge_entities"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 04:02:01.246178+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “compare_knowledge_entities” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a06a94-a417-7bb1-9495-d41fee6472ea"
    },
    {
      "id": "chg_01a06a94-a419-702a-8059-8734c8df8abd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_knowledge_entity",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_knowledge_entity"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 04:02:01.246178+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “get_knowledge_entity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a06a94-a419-702a-8059-8734c8df8abd"
    },
    {
      "id": "chg_01a06a94-a419-7f07-b714-2519e311d273",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_knowledge_graph",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_knowledge_graph"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 04:02:01.246178+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “search_knowledge_graph” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a06a94-a419-7f07-b714-2519e311d273"
    },
    {
      "id": "chg_01a06a94-a41a-758d-aeff-6676b43e9422",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "submit_agent_feedback",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "submit_agent_feedback"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 04:02:01.246178+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “submit_agent_feedback” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a06a94-a41a-758d-aeff-6676b43e9422"
    },
    {
      "id": "chg_01a06a94-a421-7b31-b533-1db822b71fa8",
      "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 04:02:01.246178+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-zhiyong-knowledge-graph/zhiyong#chg-chg_01a06a94-a421-7b31-b533-1db822b71fa8"
    },
    {
      "id": "chg_01a065dc-3ee6-7197-8844-a15fa33e54b9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "submit_agent_feedback",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "submit_agent_feedback"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 06:02:07.77794+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “submit_agent_feedback” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a065dc-3ee6-7197-8844-a15fa33e54b9"
    },
    {
      "id": "chg_01a0656e-80d5-721a-b4fa-de0a53bccac6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "compare_knowledge_entities",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "compare_knowledge_entities"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 04:02:15.801304+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “compare_knowledge_entities” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a0656e-80d5-721a-b4fa-de0a53bccac6"
    },
    {
      "id": "chg_01a0656e-80d5-7ccc-bf42-b12da44e977b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_knowledge_entity",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_knowledge_entity"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 04:02:15.801304+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “get_knowledge_entity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a0656e-80d5-7ccc-bf42-b12da44e977b"
    },
    {
      "id": "chg_01a0656e-80d6-7285-a1cc-da1f03c88944",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_knowledge_graph",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_knowledge_graph"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 04:02:15.801304+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “search_knowledge_graph” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a0656e-80d6-7285-a1cc-da1f03c88944"
    },
    {
      "id": "chg_01a0656e-80d7-74e4-a956-744533e82da5",
      "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 04:02:15.801304+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-zhiyong-knowledge-graph/zhiyong#chg-chg_01a0656e-80d7-74e4-a956-744533e82da5"
    },
    {
      "id": "chg_01a055fb-4066-7a41-900e-6ceba26e0758",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "compare_knowledge_entities",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "compare_knowledge_entities"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 04:02:04.427327+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “compare_knowledge_entities” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a055fb-4066-7a41-900e-6ceba26e0758"
    },
    {
      "id": "chg_01a055fb-4067-7060-9758-cc77a73aa02e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_knowledge_entity",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_knowledge_entity"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 04:02:04.427327+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “get_knowledge_entity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a055fb-4067-7060-9758-cc77a73aa02e"
    },
    {
      "id": "chg_01a055fb-4067-74b2-b206-12d93cc21c63",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_knowledge_graph",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_knowledge_graph"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 04:02:04.427327+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “search_knowledge_graph” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a055fb-4067-74b2-b206-12d93cc21c63"
    },
    {
      "id": "chg_01a055fb-4067-7bff-8b7a-42e41e01385e",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 04:02:04.427327+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-zhiyong-knowledge-graph/zhiyong#chg-chg_01a055fb-4067-7bff-8b7a-42e41e01385e"
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}