{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "agenttanuki-agent-guild",
  "component": "agent-guild-5d5r",
  "generated_at": "2026-09-24T12:06:59.977Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 16,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0a904-d12a-70f2-afd9-d79bcd30d664",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "guild_paid_operations",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "guild_paid_operations"
      },
      "occurred_on": "2026-09-16",
      "occurred_at": "2026-09-16 07:00:59.617676+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Tool “guild_paid_operations” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_01a0a904-d12a-70f2-afd9-d79bcd30d664"
    },
    {
      "id": "chg_01a07d07-2aae-74ca-acb6-e4fa9d5558d3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "guild_paid_operations",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "guild_paid_operations"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 18:00:16.304137+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “guild_paid_operations” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_01a07d07-2aae-74ca-acb6-e4fa9d5558d3"
    },
    {
      "id": "chg_01a07d07-2ab0-7473-908d-dfaf9849b10f",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 18:00:16.304137+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_01a07d07-2ab0-7473-908d-dfaf9849b10f"
    },
    {
      "id": "chg_01a037bf-8020-701d-a914-00639f000934",
      "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": "2026-08-25",
      "occurred_at": "2026-08-25 07:08:11.972647+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_01a037bf-8020-701d-a914-00639f000934"
    },
    {
      "id": "chg_01a003d2-12fb-7947-a750-828b829af915",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "guild_preflight_deep",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "guild_preflight_deep"
      },
      "occurred_on": "2026-08-15",
      "occurred_at": "2026-08-15 05:08:14.162298+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "Tool “guild_preflight_deep” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_01a003d2-12fb-7947-a750-828b829af915"
    },
    {
      "id": "chg_01a00281-556b-76e5-a92e-5ffdb856d77f",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "guild_best_agent"
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      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 23:00:25.142548+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "Tool “guild_best_agent” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_01a00281-556b-76e5-a92e-5ffdb856d77f"
    },
    {
      "id": "chg_01a00281-556f-709f-b663-ac1f0a90ea05",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "guild_check",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "guild_check"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 23:00:25.142548+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "Tool “guild_check” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_01a00281-556f-709f-b663-ac1f0a90ea05"
    },
    {
      "id": "chg_01a00281-5570-742a-846f-4c3aa751dadf",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "guild_risk_score",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "guild_risk_score"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 23:00:25.142548+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "Tool “guild_risk_score” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_01a00281-5570-742a-846f-4c3aa751dadf"
    },
    {
      "id": "chg_01a00281-5570-7f25-9598-03c82688b3ca",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "guild_search",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "guild_search"
      },
      "occurred_on": "2026-08-14",
      "occurred_at": "2026-08-14 23:00:25.142548+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "Tool “guild_search” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_01a00281-5570-7f25-9598-03c82688b3ca"
    },
    {
      "id": "chg_019ffd5a-bfdc-7527-abb3-945b70944588",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "guild_best_agent",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "guild_best_agent"
      },
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 23:00:10.789289+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “guild_best_agent” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_019ffd5a-bfdc-7527-abb3-945b70944588"
    },
    {
      "id": "chg_019ffd5a-bfde-7e35-95ae-b64687f60155",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "guild_check",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "guild_check"
      },
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 23:00:10.789289+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “guild_check” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_019ffd5a-bfde-7e35-95ae-b64687f60155"
    },
    {
      "id": "chg_019ffd5a-bfdf-7820-a3c4-dc5e0c7af76e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "guild_paid_operations",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "guild_paid_operations"
      },
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 23:00:10.789289+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “guild_paid_operations” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_019ffd5a-bfdf-7820-a3c4-dc5e0c7af76e"
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    {
      "id": "chg_019ffd5a-bfe0-7b7f-8343-e640549558e9",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "guild_preflight_deep",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "guild_preflight_deep"
      },
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 23:00:10.789289+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “guild_preflight_deep” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_019ffd5a-bfe0-7b7f-8343-e640549558e9"
    },
    {
      "id": "chg_019ffd5a-bfe1-72e9-ba1c-d01a508fc862",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "guild_search",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "guild_search"
      },
      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 23:00:10.789289+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “guild_search” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_019ffd5a-bfe1-72e9-ba1c-d01a508fc862"
    },
    {
      "id": "chg_019ffafe-8c1b-7c28-8999-585b1166bdd5",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "guild_passport"
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      "occurred_on": "2026-08-13",
      "occurred_at": "2026-08-13 12:00:13.829692+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "Tool “guild_passport” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_019ffafe-8c1b-7c28-8999-585b1166bdd5"
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    {
      "id": "chg_019fdbe1-a81a-7e6a-b96c-273e1c9c9ae0",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "guild_paid_operations",
      "subject_child": "",
      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "guild_paid_operations"
      },
      "occurred_on": "2026-08-07",
      "occurred_at": "2026-08-07 11:00:26.744361+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Tool “guild_paid_operations” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/agenttanuki-agent-guild/agent-guild-5d5r#chg-chg_019fdbe1-a81a-7e6a-b96c-273e1c9c9ae0"
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  ],
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      "date": "2026-09-23",
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      "date": "2026-09-16",
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      "event_count": 1
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    {
      "date": "2026-09-07",
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      "beyond_event_horizon": false,
      "attribution": null,
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    {
      "date": "2026-08-31",
      "total": 74,
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    {
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      "attribution": null,
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    {
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      "event_count": 1
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      "delta": null,
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}