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      "observed_since": "2026-09-13",
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      "observed_since": "2026-09-13",
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      "summary": "Tool “purchase_data” rewrote its description, which is the text the model reads",
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      "summary": "Tool “register_agent” rewrote its description, which is the text the model reads",
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      "summary": "Tool “topup_credits” rewrote its description, which is the text the model reads",
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      "occurred_at": "2026-09-13 06:06:22.474437+00",
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      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0995f-b9b9-733b-9997-28026d16604e"
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      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 06:06:59.694426+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a09439-f11b-71dc-9319-8cc1f58fe73e"
    },
    {
      "id": "chg_01a090c6-ce9c-7760-a4d7-9039c7c350cd",
      "kind": "tool.removed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_zk_provenance",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "get_zk_provenance"
      },
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 14:02:22.90981+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “get_zk_provenance” was removed",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a090c6-ce9c-7760-a4d7-9039c7c350cd"
    },
    {
      "id": "chg_01a090c6-ce9d-7b8c-9da9-75c35b0e4772",
      "kind": "server.breaking_without_version_bump",
      "family": "",
      "subject_kind": "server",
      "subject": "1.0.0",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "1.0.0",
      "to_value": "1.0.0",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "removed": "1",
        "version": "1.0.0",
        "breaking": "0"
      },
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 14:02:22.90981+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a090c6-ce9d-7b8c-9da9-75c35b0e4772"
    },
    {
      "id": "chg_01a08f13-c00b-71ee-beec-61f72dda22d9",
      "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": "2026-09-11",
      "occurred_at": "2026-09-11 06:07:11.214395+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a08f13-c00b-71ee-beec-61f72dda22d9"
    },
    {
      "id": "chg_01a089ed-b12a-7f29-adc5-002e69aca78a",
      "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 06:07:30.94338+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/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a089ed-b12a-7f29-adc5-002e69aca78a"
    },
    {
      "id": "chg_01a084c7-d6bb-79f5-b840-97ff0affefb6",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "register_agent",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "register_agent"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 06:08:04.207218+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “register_agent” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a084c7-d6bb-79f5-b840-97ff0affefb6"
    },
    {
      "id": "chg_01a084c7-d6bd-7c06-8996-f13ad44242fa",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 06:08:04.207218+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a084c7-d6bd-7c06-8996-f13ad44242fa"
    },
    {
      "id": "chg_01a07555-3553-72ec-bbae-c50302183149",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "fetch_dataset",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "fetch_dataset"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 06:08:33.534862+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool “fetch_dataset” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a07555-3553-72ec-bbae-c50302183149"
    },
    {
      "id": "chg_01a07555-3554-7579-ae8c-96b9979d1415",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "topup_credits",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "topup_credits"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 06:08:33.534862+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool “topup_credits” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a07555-3554-7579-ae8c-96b9979d1415"
    },
    {
      "id": "chg_01a07555-3555-7617-8293-08d2ae2856df",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "verify_footprint",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "verify_footprint"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 06:08:33.534862+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool “verify_footprint” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a07555-3555-7617-8293-08d2ae2856df"
    },
    {
      "id": "chg_01a07555-3557-7d84-a4fc-d0cef550b91c",
      "kind": "server.breaking_without_version_bump",
      "family": "",
      "subject_kind": "server",
      "subject": "1.0.0",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "1.0.0",
      "to_value": "1.0.0",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "removed": "0",
        "version": "1.0.0",
        "breaking": "1"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 06:08:33.534862+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a07555-3557-7d84-a4fc-d0cef550b91c"
    },
    {
      "id": "chg_01a0461f-6961-7c3e-97a0-ead9269a2cd7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "register_agent",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "register_agent"
      },
      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 02:07:38.764371+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “register_agent” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a0461f-6961-7c3e-97a0-ead9269a2cd7"
    },
    {
      "id": "chg_01a045e7-4cc2-7e48-ab11-d037b8fefd44",
      "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": "2026-08-28",
      "occurred_at": "2026-08-28 01:06:21.40448+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_01a045e7-4cc2-7e48-ab11-d037b8fefd44"
    },
    {
      "id": "chg_019fe521-9f1b-7792-a434-8d4c3170540b",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.27",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "9",
        "added": "0",
        "breaks": "1",
        "removed": "0",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 06:06:53.654447+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Stability (0.27 → fail)",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f1b-7792-a434-8d4c3170540b"
    },
    {
      "id": "chg_019fe521-9f1d-776f-bf43-b328e6fe51f5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_zk_provenance",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_zk_provenance"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 06:06:53.654447+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Tool “get_zk_provenance” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f1d-776f-bf43-b328e6fe51f5"
    },
    {
      "id": "chg_019fe521-9f1e-77d8-9eb6-1c8afb6db1f2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_datasets",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_datasets"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 06:06:53.654447+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Tool “list_datasets” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f1e-77d8-9eb6-1c8afb6db1f2"
    },
    {
      "id": "chg_019fe521-9f1e-7c94-9874-9fee81c8698e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "list_products",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "list_products"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 06:06:53.654447+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Tool “list_products” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f1e-7c94-9874-9fee81c8698e"
    },
    {
      "id": "chg_019fe521-9f1f-77ee-b3f6-6387abd4dd1d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "purchase_data",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "purchase_data"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 06:06:53.654447+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Tool “purchase_data” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f1f-77ee-b3f6-6387abd4dd1d"
    },
    {
      "id": "chg_019fe521-9f20-77cf-a719-5528718b9c32",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "register_agent",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "register_agent"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 06:06:53.654447+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "Tool “register_agent” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f20-77cf-a719-5528718b9c32"
    },
    {
      "id": "chg_019fe521-9f20-7e49-a3d2-1fb4c7255209",
      "kind": "server.breaking_without_version_bump",
      "family": "",
      "subject_kind": "server",
      "subject": "1.0.0",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "1.0.0",
      "to_value": "1.0.0",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "removed": "0",
        "version": "1.0.0",
        "breaking": "1"
      },
      "occurred_on": "2026-08-09",
      "occurred_at": "2026-08-09 06:06:53.654447+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fe521-9f20-7e49-a3d2-1fb4c7255209"
    },
    {
      "id": "chg_019fb669-ddb7-78f7-a215-e19c5788945b",
      "kind": "check.reverified",
      "family": "https",
      "subject_kind": "check",
      "subject": "https",
      "subject_child": "",
      "from_code": "https.inconclusive",
      "to_code": "https.plaintext",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-31",
      "occurred_at": "2026-07-31 04:23:39.170985+00",
      "observed_since": "2026-07-30",
      "source": "scan",
      "summary": "HTTPS (unverified → fail)",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fb669-ddb7-78f7-a215-e19c5788945b"
    },
    {
      "id": "chg_019fb669-ddb8-7621-9795-36f86ed0cd4d",
      "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": "2026-07-31",
      "occurred_at": "2026-07-31 04:23:39.170985+00",
      "observed_since": "2026-07-30",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fb669-ddb8-7621-9795-36f86ed0cd4d"
    },
    {
      "id": "chg_019fb669-ddb9-71c6-a3ef-b91d3d1f1306",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_undeclared",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "auth": "none",
        "undeclared_tools": "10"
      },
      "occurred_on": "2026-07-31",
      "occurred_at": "2026-07-31 04:23:39.170985+00",
      "observed_since": "2026-07-30",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 10 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.)",
      "link": "https://verifymcp.io/servers/com-kairossignal-kairos-signal/kairossignal#chg-chg_019fb669-ddb9-71c6-a3ef-b91d3d1f1306"
    }
  ],
  "days": [
    {
      "date": "2026-09-28",
      "total": 71,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-27",
      "total": 71,
      "delta": 0,
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      "delta": 4,
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  ]
}