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      "occurred_at": "2026-09-16 01:03:31.811838+00",
      "observed_since": "2026-09-15",
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      "occurred_at": "2026-09-15 01:03:37.168977+00",
      "observed_since": "2026-09-14",
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      "occurred_at": "2026-09-14 01:04:02.065759+00",
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      "occurred_at": "2026-09-14 01:04:02.065759+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "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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      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_01a09d71-492f-7eec-b1e5-c3bee8dc5ba7"
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      "occurred_at": "2026-09-13 01:04:14.593852+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “register_agent” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_01a0984b-1d4e-7f25-afcd-e02ccc8e647d"
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      "occurred_at": "2026-09-13 01:04:14.593852+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “topup_credits” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_01a0984b-1d4f-7b99-91ad-19e4c85a15fe"
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      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 01:04:14.593852+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_01a0984b-1d51-7154-b05d-eab3316a4896"
    },
    {
      "id": "chg_01a09324-ab92-7d26-b3ea-8cead4776587",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 01:04:09.061952+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “get_zk_provenance” was removed",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_01a09324-ab92-7d26-b3ea-8cead4776587"
    },
    {
      "id": "chg_01a09324-ab94-71eb-9fcf-e14afe12229e",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "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 01:04:09.061952+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/ov3rk177-kairos-signal/kairossignal#chg-chg_01a09324-ab94-71eb-9fcf-e14afe12229e"
    },
    {
      "id": "chg_01a09324-ab94-7920-a55f-c7c319d9bc2e",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 01:04:09.061952+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/ov3rk177-kairos-signal/kairossignal#chg-chg_01a09324-ab94-7920-a55f-c7c319d9bc2e"
    },
    {
      "id": "chg_01a08dfe-3f02-7dbd-b39f-c18dcdef9d98",
      "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 01:04:04.821924+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/ov3rk177-kairos-signal/kairossignal#chg-chg_01a08dfe-3f02-7dbd-b39f-c18dcdef9d98"
    },
    {
      "id": "chg_01a088d7-b65e-7c51-8ba6-e3a8a3ff7c7c",
      "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 01:03:53.3864+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/ov3rk177-kairos-signal/kairossignal#chg-chg_01a088d7-b65e-7c51-8ba6-e3a8a3ff7c7c"
    },
    {
      "id": "chg_01a083b1-3c07-7175-91dd-36438e2297d0",
      "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 01:03:45.628053+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/ov3rk177-kairos-signal/kairossignal#chg-chg_01a083b1-3c07-7175-91dd-36438e2297d0"
    },
    {
      "id": "chg_01a083b1-3c07-7df6-8a07-8f9a925c57dd",
      "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 01:03:45.628053+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/ov3rk177-kairos-signal/kairossignal#chg-chg_01a083b1-3c07-7df6-8a07-8f9a925c57dd"
    },
    {
      "id": "chg_01a07964-5501-7f31-8e0b-e7944ae38ef0",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 01:03:33.591622+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “fetch_dataset” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_01a07964-5501-7f31-8e0b-e7944ae38ef0"
    },
    {
      "id": "chg_01a07964-5505-72da-a90c-c88914e4ac05",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 01:03:33.591622+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “topup_credits” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_01a07964-5505-72da-a90c-c88914e4ac05"
    },
    {
      "id": "chg_01a07964-5506-72e1-9608-8eb5be7c8dee",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 01:03:33.591622+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “verify_footprint” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_01a07964-5506-72e1-9608-8eb5be7c8dee"
    },
    {
      "id": "chg_01a07964-5508-7318-9a19-d80d306da405",
      "kind": "server.breaking_without_version_bump",
      "family": "",
      "subject_kind": "server",
      "subject": "1.0.0",
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      "from_code": null,
      "to_code": null,
      "from_value": "1.0.0",
      "to_value": "1.0.0",
      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "removed": "0",
        "version": "1.0.0",
        "breaking": "1"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 01:03:33.591622+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_01a07964-5508-7318-9a19-d80d306da405"
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    {
      "id": "chg_01a04b0a-e736-751b-acf6-0a25d3dffae7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "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"
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      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 01:03:20.828217+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/ov3rk177-kairos-signal/kairossignal#chg-chg_01a04b0a-e736-751b-acf6-0a25d3dffae7"
    },
    {
      "id": "chg_01a04b0a-e737-74d6-8da4-da0dcbd870cf",
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      "family": "",
      "subject_kind": "server",
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      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 01:03:20.828217+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_01a04b0a-e737-74d6-8da4-da0dcbd870cf"
    },
    {
      "id": "chg_01a045e4-8681-7d85-9828-fa84a0afb6ea",
      "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 01:03:19.612477+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/ov3rk177-kairos-signal/kairossignal#chg-chg_01a045e4-8681-7d85-9828-fa84a0afb6ea"
    },
    {
      "id": "chg_019fe933-39b7-73c0-aa7e-fa38707878f6",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.30",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "10",
        "added": "0",
        "breaks": "1",
        "removed": "0",
        "auth_transport": "0"
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      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 01:04:36.250035+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Stability (0.30 → fail)",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_019fe933-39b7-73c0-aa7e-fa38707878f6"
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    {
      "id": "chg_019fe933-39ba-7766-bd98-fd9235560a1e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_zk_provenance",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_zk_provenance"
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      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 01:04:36.250035+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Tool “get_zk_provenance” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_019fe933-39ba-7766-bd98-fd9235560a1e"
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    {
      "id": "chg_019fe933-39bb-7e3c-b79c-d8bd477b768c",
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      "subject_kind": "tool",
      "subject": "list_datasets",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 01:04:36.250035+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Tool “list_datasets” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_019fe933-39bb-7e3c-b79c-d8bd477b768c"
    },
    {
      "id": "chg_019fe933-39bc-74b7-8261-82bb16ad2e7c",
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      "subject_kind": "tool",
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      "to_value": null,
      "materiality": "security",
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      "detail": {
        "tool": "list_products"
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      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 01:04:36.250035+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Tool “list_products” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_019fe933-39bc-74b7-8261-82bb16ad2e7c"
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    {
      "id": "chg_019fe933-39c1-70c7-9e1a-171ce9a9456e",
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      "family": "",
      "subject_kind": "tool",
      "subject": "purchase_data",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "purchase_data"
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      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 01:04:36.250035+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Tool “purchase_data” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_019fe933-39c1-70c7-9e1a-171ce9a9456e"
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    {
      "id": "chg_019fe933-39c3-72e2-ba79-f6a84a3d9e47",
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      "subject_kind": "tool",
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      "to_value": null,
      "materiality": "security",
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      "detail": {
        "tool": "register_agent"
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      "occurred_at": "2026-08-10 01:04:36.250035+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Tool “register_agent” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_019fe933-39c3-72e2-ba79-f6a84a3d9e47"
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    {
      "id": "chg_019fe933-39c3-7b59-8e32-4c36e122182c",
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      "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": "2026-08-10",
      "occurred_at": "2026-08-10 01:04:36.250035+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "A breaking change shipped without a version bump (still 1.0.0)",
      "link": "https://verifymcp.io/servers/ov3rk177-kairos-signal/kairossignal#chg-chg_019fe933-39c3-7b59-8e32-4c36e122182c"
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  ],
  "days": [
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      "delta": 0,
      "tracked": true,
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    {
      "date": "2026-09-27",
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    {
      "date": "2026-09-26",
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    {
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    {
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    {
      "date": "2026-09-23",
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    {
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      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
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}