{
  "server": "pipeworx-io-postmark",
  "component": "postmark-mcp",
  "generated_at": "2026-08-03T23:21:20.303Z",
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      "occurred_at": "2026-08-03 01:06:25.113833+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-postmark/postmark-mcp#chg-chg_019fc528-5eff-7c66-bf93-3f610b242980"
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      "occurred_at": "2026-08-03 01:06:25.113833+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-postmark/postmark-mcp#chg-chg_019fc528-5efe-77c1-a96b-2c226fd4c851"
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    {
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      "occurred_at": "2026-08-03 01:06:25.113833+00",
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      "link": "https://verifymcp.io/servers/pipeworx-io-postmark/postmark-mcp#chg-chg_019fc528-5f01-7ad8-8f11-25af0640798f"
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      "occurred_at": "2026-08-03 01:06:25.113833+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-postmark/postmark-mcp#chg-chg_019fc528-5f01-75bc-9977-32811c238eaf"
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    {
      "id": "chg_019fc001-6713-71d2-9312-b6455a7ad4a5",
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      "occurred_at": "2026-08-02 01:05:45.210518+00",
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      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-postmark/postmark-mcp#chg-chg_019fc001-6713-71d2-9312-b6455a7ad4a5"
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    {
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      "subject_kind": "tool",
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      "detail": {
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 01:05:45.210518+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-postmark/postmark-mcp#chg-chg_019fc001-6712-7b42-b27a-209d15aa9ab1"
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    {
      "id": "chg_019fc001-6712-733d-8453-fae4754b91ca",
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      "subject_kind": "tool",
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 01:05:45.210518+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-postmark/postmark-mcp#chg-chg_019fc001-6712-733d-8453-fae4754b91ca"
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    {
      "id": "chg_019fc001-6711-7bdc-a086-743ab3a6f70c",
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      "subject_kind": "tool",
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 01:05:45.210518+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-postmark/postmark-mcp#chg-chg_019fc001-6711-7bdc-a086-743ab3a6f70c"
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    {
      "id": "chg_019fc001-6711-74ed-8b2a-95e211d81106",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 01:05:45.210518+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-postmark/postmark-mcp#chg-chg_019fc001-6711-74ed-8b2a-95e211d81106"
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    {
      "id": "chg_019fbada-7690-7745-b3f3-aaa8275e6d47",
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      "occurred_at": "2026-08-01 01:05:07.193467+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-postmark/postmark-mcp#chg-chg_019fbada-7690-7745-b3f3-aaa8275e6d47"
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    {
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      "subject_kind": "server",
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      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 01:05:07.193467+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-postmark/postmark-mcp#chg-chg_019fbada-7692-701c-bf62-cd2dc27a0970"
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    {
      "id": "chg_019fbada-7691-7a9a-a234-133a9267ac06",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 01:05:07.193467+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-postmark/postmark-mcp#chg-chg_019fbada-7691-7a9a-a234-133a9267ac06"
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    {
      "id": "chg_019fbada-7691-70df-b8bd-eac8977a0528",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 01:05:07.193467+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-postmark/postmark-mcp#chg-chg_019fbada-7691-70df-b8bd-eac8977a0528"
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    {
      "id": "chg_019fbada-7691-75d4-8df3-67d3aab8aecf",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
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      "from_code": null,
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      "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 01:05:07.193467+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-postmark/postmark-mcp#chg-chg_019fbada-7691-75d4-8df3-67d3aab8aecf"
    },
    {
      "id": "chg_019fb393-c7cb-78b6-a08e-ce1b1f4063d1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 15:10:34.429567+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-postmark/postmark-mcp#chg-chg_019fb393-c7cb-78b6-a08e-ce1b1f4063d1"
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    {
      "id": "chg_019fb393-c7c9-7a37-a2b4-e2852e05afa5",
      "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"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 15:10:34.429567+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-postmark/postmark-mcp#chg-chg_019fb393-c7c9-7a37-a2b4-e2852e05afa5"
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    {
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      "materiality": "security",
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 15:10:34.429567+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-postmark/postmark-mcp#chg-chg_019fb393-c7ca-760b-9a21-98f8c3e10ef5"
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    {
      "id": "chg_019fb393-c7ca-7af7-8168-0a18b898e8fb",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 15:10:34.429567+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-postmark/postmark-mcp#chg-chg_019fb393-c7ca-7af7-8168-0a18b898e8fb"
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    {
      "id": "chg_019fb393-c7cb-74fb-92b0-3133254fa550",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 15:10:34.429567+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-postmark/postmark-mcp#chg-chg_019fb393-c7cb-74fb-92b0-3133254fa550"
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    {
      "id": "chg_019fb393-c7cb-7cd4-b1f9-447b359b3dc5",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "from_code": null,
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      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 15:10:34.429567+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-postmark/postmark-mcp#chg-chg_019fb393-c7cb-7cd4-b1f9-447b359b3dc5"
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    {
      "id": "chg_019fae4f-e2b9-7307-83ae-11ef8d477e90",
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      "family": "",
      "subject_kind": "server",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 14:38:18.780446+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-postmark/postmark-mcp#chg-chg_019fae4f-e2b9-7307-83ae-11ef8d477e90"
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    {
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      "subject_kind": "tool",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 14:38:18.780446+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-postmark/postmark-mcp#chg-chg_019fae4f-e2b8-7e6a-9ca7-771391db8df1"
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    {
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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"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 14:38:18.780446+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-postmark/postmark-mcp#chg-chg_019fae4f-e2b8-79a7-82de-1cabc6bb6c75"
    },
    {
      "id": "chg_019fae4f-e2b8-751a-b027-b3c68933c571",
      "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 14:38:18.780446+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-postmark/postmark-mcp#chg-chg_019fae4f-e2b8-751a-b027-b3c68933c571"
    },
    {
      "id": "chg_019fae4f-e2b8-702f-ba0f-dd4e2fed4177",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "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"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 14:38:18.780446+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-postmark/postmark-mcp#chg-chg_019fae4f-e2b8-702f-ba0f-dd4e2fed4177"
    },
    {
      "id": "chg_019fae4f-e2b7-78d5-80a1-2d732465f22a",
      "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": "2026-07-29",
      "occurred_at": "2026-07-29 14:38:18.780446+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-postmark/postmark-mcp#chg-chg_019fae4f-e2b7-78d5-80a1-2d732465f22a"
    },
    {
      "id": "chg_019fa983-de21-7e9b-a959-c902867b1dde",
      "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"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 16:16:59.414855+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-postmark/postmark-mcp#chg-chg_019fa983-de21-7e9b-a959-c902867b1dde"
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    {
      "id": "chg_019fa983-de22-7510-a1e7-3bdfef252983",
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      "family": "",
      "subject_kind": "tool",
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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": "2026-07-28",
      "occurred_at": "2026-07-28 16:16:59.414855+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-postmark/postmark-mcp#chg-chg_019fa983-de22-7510-a1e7-3bdfef252983"
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    {
      "id": "chg_019fa983-de23-79e2-ba7f-f445f83e6c4b",
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      "family": "",
      "subject_kind": "server",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 16:16:59.414855+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-postmark/postmark-mcp#chg-chg_019fa983-de23-79e2-ba7f-f445f83e6c4b"
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    {
      "id": "chg_019fa983-de23-7261-b8af-82d09260e457",
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      "subject_kind": "tool",
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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_at": "2026-07-28 16:16:59.414855+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-postmark/postmark-mcp#chg-chg_019fa983-de23-7261-b8af-82d09260e457"
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    {
      "id": "chg_019fa983-de22-7d24-8b40-e59599ec22b5",
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      "subject_kind": "tool",
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
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      "occurred_at": "2026-07-28 16:16:59.414855+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-postmark/postmark-mcp#chg-chg_019fa983-de22-7d24-8b40-e59599ec22b5"
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    {
      "id": "chg_019fa983-de22-789c-9c56-3ef6ccd49de6",
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      "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"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 16:16:59.414855+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-postmark/postmark-mcp#chg-chg_019fa983-de22-789c-9c56-3ef6ccd49de6"
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}