{
  "server": "pipeworx-io-klaviyo",
  "component": "klaviyo-mcp",
  "generated_at": "2026-08-03T21:09:28.408Z",
  "tracking_since": "2026-07-26",
  "counts": {
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    "security": 27,
    "functional": 0,
    "cosmetic": 0
  },
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      "occurred_at": "2026-08-03 05:12:20.699735+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fc609-8622-7bd3-880c-e9c8a13bf15a"
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    {
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      "materiality": "security",
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 05:12:20.699735+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fc609-8622-76c6-8198-ef717ee9b507"
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    {
      "id": "chg_019fc609-8622-708d-b6ee-67a21bf2b2de",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 05:12:20.699735+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fc609-8622-708d-b6ee-67a21bf2b2de"
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    {
      "id": "chg_019fc609-8621-7aa6-aadb-4f6066092114",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 05:12:20.699735+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fc609-8621-7aa6-aadb-4f6066092114"
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    {
      "id": "chg_019fc609-8621-753b-9ae3-a8e3a98cc87d",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx",
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 05:12:20.699735+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fc609-8621-753b-9ae3-a8e3a98cc87d"
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    {
      "id": "chg_019fc609-8620-7974-9d66-65c4ff176f5f",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
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      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 05:12:20.699735+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fc609-8620-7974-9d66-65c4ff176f5f"
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    {
      "id": "chg_019fc0e9-04b1-7f1f-a651-0034c2e4175b",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive_unverified",
      "to_code": "auth.none_destructive",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 05:18:44.3908+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fc0e9-04b1-7f1f-a651-0034c2e4175b"
    },
    {
      "id": "chg_019fc0e9-04b2-74e1-bc1f-cc9fe59cb0a2",
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      "family": "",
      "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": "ask_pipeworx"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 05:18:44.3908+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fc0e9-04b2-74e1-bc1f-cc9fe59cb0a2"
    },
    {
      "id": "chg_019fc0e9-04b3-744d-b23f-db4c8fc69c8a",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 05:18:44.3908+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fc0e9-04b3-744d-b23f-db4c8fc69c8a"
    },
    {
      "id": "chg_019fc0e9-04b3-70eb-bc8d-b0bd379ee177",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 05:18:44.3908+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fc0e9-04b3-70eb-bc8d-b0bd379ee177"
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    {
      "id": "chg_019fc0e9-04b2-7cea-af5f-3ff4c0e8b8e3",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
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      "from_code": null,
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 05:18:44.3908+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fc0e9-04b2-7cea-af5f-3ff4c0e8b8e3"
    },
    {
      "id": "chg_019fc0e9-04b2-7969-bc2d-6b9c89830f61",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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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": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 05:18:44.3908+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fc0e9-04b2-7969-bc2d-6b9c89830f61"
    },
    {
      "id": "chg_019fbbbf-ac56-75e2-8652-3263381b31d7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
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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": "ask_pipeworx"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 05:15:28.712479+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fbbbf-ac56-75e2-8652-3263381b31d7"
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    {
      "id": "chg_019fbbbf-ac55-7cdf-9244-bc7d7bf4a51f",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_destructive_unverified",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 05:15:28.712479+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fbbbf-ac55-7cdf-9244-bc7d7bf4a51f"
    },
    {
      "id": "chg_019fbbbf-ac56-7b73-bfe8-a4a98928fd92",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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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": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 05:15:28.712479+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fbbbf-ac56-7b73-bfe8-a4a98928fd92"
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    {
      "id": "chg_019fbbbf-ac57-7226-ad85-dd72089faa3d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 05:15:28.712479+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fbbbf-ac57-7226-ad85-dd72089faa3d"
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    {
      "id": "chg_019fbbbf-ac57-77c5-a2af-fe04f51263db",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
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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": "deep_research"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 05:15:28.712479+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fbbbf-ac57-77c5-a2af-fe04f51263db"
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    {
      "id": "chg_019fbbbf-ac57-7db2-90ae-7caf1eed48a1",
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      "subject_kind": "server",
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 05:15:28.712479+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fbbbf-ac57-7db2-90ae-7caf1eed48a1"
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    {
      "id": "chg_019fb001-e9ee-74ae-8217-f5984efec1f1",
      "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": "2026-07-29",
      "occurred_at": "2026-07-29 22:32:23.255683+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fb001-e9ee-74ae-8217-f5984efec1f1"
    },
    {
      "id": "chg_019fb001-e9ed-7da9-b9ef-d7eafc4f2bc7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 22:32:23.255683+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fb001-e9ed-7da9-b9ef-d7eafc4f2bc7"
    },
    {
      "id": "chg_019fb001-e9ed-781f-942e-143cb3b427f7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
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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": "ask_pipeworx_grounded"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 22:32:23.255683+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fb001-e9ed-781f-942e-143cb3b427f7"
    },
    {
      "id": "chg_019fb001-e9ec-7274-aba7-aa9f80deb5bf",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
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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": "ask_pipeworx"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 22:32:23.255683+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fb001-e9ec-7274-aba7-aa9f80deb5bf"
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    {
      "id": "chg_019fb001-e9ed-7233-96f0-88d97b224395",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 22:32:23.255683+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019fb001-e9ed-7233-96f0-88d97b224395"
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    {
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      "observed_since": "2026-07-27",
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      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019faa72-88f1-7577-b064-a27435f8f588"
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      "observed_since": "2026-07-27",
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      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019faa72-88ef-7e24-aff6-8a407ca67578"
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      "observed_since": "2026-07-27",
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      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019faa72-88f2-7769-ab1d-37b0539f139b"
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      "occurred_at": "2026-07-28 20:37:40.706003+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019faa72-88f2-70dc-b806-16fff6949bdc"
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      "materiality": "security",
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      "occurred_at": "2026-07-28 20:37:40.706003+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-klaviyo/klaviyo-mcp#chg-chg_019faa72-88f0-7e77-9377-0571075439e4"
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