{
  "server": "pipeworx-io-boston-calendar",
  "component": "boston-calendar-mcp",
  "generated_at": "2026-08-03T21:10:39.680Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 1,
    "security": 31,
    "functional": 0,
    "cosmetic": 0
  },
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 00:20:56.674769+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-boston-calendar/boston-calendar-mcp#chg-chg_019fc4fe-bcf6-7a0c-add8-8b637be5d4f7"
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    {
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      "detail": {
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 00:20:56.674769+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-boston-calendar/boston-calendar-mcp#chg-chg_019fc4fe-bcf6-7049-89e9-e3fd9206ad38"
    },
    {
      "id": "chg_019fc4fe-bcf7-7709-aa8b-8a2bf2aa9de9",
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      "subject_kind": "server",
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 00:20:56.674769+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-boston-calendar/boston-calendar-mcp#chg-chg_019fc4fe-bcf7-7709-aa8b-8a2bf2aa9de9"
    },
    {
      "id": "chg_019fc4fe-bcf7-7339-b17f-af14916991b9",
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      "subject_kind": "tool",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 00:20:56.674769+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-boston-calendar/boston-calendar-mcp#chg-chg_019fc4fe-bcf7-7339-b17f-af14916991b9"
    },
    {
      "id": "chg_019fc4fe-bcf6-7dfd-92f6-f84c933a20b5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 00:20:56.674769+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-boston-calendar/boston-calendar-mcp#chg-chg_019fc4fe-bcf6-7dfd-92f6-f84c933a20b5"
    },
    {
      "id": "chg_019fbfd0-7b33-75e3-94eb-a0d88d35ac74",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 00:12:19.093815+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-boston-calendar/boston-calendar-mcp#chg-chg_019fbfd0-7b33-75e3-94eb-a0d88d35ac74"
    },
    {
      "id": "chg_019fbfd0-7b35-7347-a2f1-c0a78e9a1dc1",
      "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": "2026-08-02",
      "occurred_at": "2026-08-02 00:12:19.093815+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-boston-calendar/boston-calendar-mcp#chg-chg_019fbfd0-7b35-7347-a2f1-c0a78e9a1dc1"
    },
    {
      "id": "chg_019fbfd0-7b34-7a0a-9e54-09bdbc086213",
      "kind": "tool.description_changed",
      "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": "deep_research"
      },
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 00:12:19.093815+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-boston-calendar/boston-calendar-mcp#chg-chg_019fbfd0-7b34-7a0a-9e54-09bdbc086213"
    },
    {
      "id": "chg_019fbfd0-7b34-762f-8334-63796edd40dd",
      "kind": "tool.description_changed",
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      "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": "2026-08-02",
      "occurred_at": "2026-08-02 00:12:19.093815+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-boston-calendar/boston-calendar-mcp#chg-chg_019fbfd0-7b34-762f-8334-63796edd40dd"
    },
    {
      "id": "chg_019fbfd0-7b34-717c-91f5-61f48314acb9",
      "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 00:12:19.093815+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-boston-calendar/boston-calendar-mcp#chg-chg_019fbfd0-7b34-717c-91f5-61f48314acb9"
    },
    {
      "id": "chg_019fbaa6-dae0-7b50-b41d-b963d28f74f8",
      "kind": "tool.description_changed",
      "family": "",
      "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": "2026-08-01",
      "occurred_at": "2026-08-01 00:08:45.007427+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-boston-calendar/boston-calendar-mcp#chg-chg_019fbaa6-dae0-7b50-b41d-b963d28f74f8"
    },
    {
      "id": "chg_019fbaa6-dae1-79a7-b87e-fbad53bf59e1",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "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": "2026-08-01",
      "occurred_at": "2026-08-01 00:08:45.007427+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-boston-calendar/boston-calendar-mcp#chg-chg_019fbaa6-dae1-79a7-b87e-fbad53bf59e1"
    },
    {
      "id": "chg_019fbaa6-dae2-79da-acc3-d5aa1af1d512",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
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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": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 00:08:45.007427+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-boston-calendar/boston-calendar-mcp#chg-chg_019fbaa6-dae2-79da-acc3-d5aa1af1d512"
    },
    {
      "id": "chg_019fbaa6-dae2-7540-a97b-4312974d2da1",
      "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": "2026-08-01",
      "occurred_at": "2026-08-01 00:08:45.007427+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-boston-calendar/boston-calendar-mcp#chg-chg_019fbaa6-dae2-7540-a97b-4312974d2da1"
    },
    {
      "id": "chg_019fbaa6-dae1-7ef6-aada-c35fad4ffe5b",
      "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 00:08:45.007427+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-boston-calendar/boston-calendar-mcp#chg-chg_019fbaa6-dae1-7ef6-aada-c35fad4ffe5b"
    },
    {
      "id": "chg_019fb370-0a8b-7649-99e1-6feb27a56fc7",
      "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": "2026-07-30",
      "occurred_at": "2026-07-30 14:31:32.219364+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-boston-calendar/boston-calendar-mcp#chg-chg_019fb370-0a8b-7649-99e1-6feb27a56fc7"
    },
    {
      "id": "chg_019fb370-0a89-78d4-b69b-1229bf4aaaa1",
      "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": "2026-07-30",
      "occurred_at": "2026-07-30 14:31:32.219364+00",
      "observed_since": "2026-07-29",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-boston-calendar/boston-calendar-mcp#chg-chg_019fb370-0a89-78d4-b69b-1229bf4aaaa1"
    },
    {
      "id": "chg_019fb370-0a8a-72a6-9c47-8934de5d87ce",
      "kind": "tool.description_changed",
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      "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": "2026-07-30",
      "occurred_at": "2026-07-30 14:31:32.219364+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-boston-calendar/boston-calendar-mcp#chg-chg_019fb370-0a8a-72a6-9c47-8934de5d87ce"
    },
    {
      "id": "chg_019fb370-0a8a-7702-84fc-681451b3a727",
      "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": "2026-07-30",
      "occurred_at": "2026-07-30 14:31:32.219364+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-boston-calendar/boston-calendar-mcp#chg-chg_019fb370-0a8a-7702-84fc-681451b3a727"
    },
    {
      "id": "chg_019fb370-0a8a-7b8d-81ed-b9ddf1f7a3c7",
      "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": "2026-07-30",
      "occurred_at": "2026-07-30 14:31:32.219364+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-boston-calendar/boston-calendar-mcp#chg-chg_019fb370-0a8a-7b8d-81ed-b9ddf1f7a3c7"
    },
    {
      "id": "chg_019fb370-0a8b-7157-bedb-4e8e34f0ee6e",
      "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": "2026-07-30",
      "occurred_at": "2026-07-30 14:31:32.219364+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-boston-calendar/boston-calendar-mcp#chg-chg_019fb370-0a8b-7157-bedb-4e8e34f0ee6e"
    },
    {
      "id": "chg_019faea0-dce9-7510-a228-414746c93bd7",
      "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": "2026-07-29",
      "occurred_at": "2026-07-29 16:06:45.706651+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-boston-calendar/boston-calendar-mcp#chg-chg_019faea0-dce9-7510-a228-414746c93bd7"
    },
    {
      "id": "chg_019faea0-dce9-7002-97d3-f123e9da1e08",
      "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 16:06:45.706651+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-boston-calendar/boston-calendar-mcp#chg-chg_019faea0-dce9-7002-97d3-f123e9da1e08"
    },
    {
      "id": "chg_019faea0-dce8-7588-b3d1-05bd3420e389",
      "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 16:06:45.706651+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-boston-calendar/boston-calendar-mcp#chg-chg_019faea0-dce8-7588-b3d1-05bd3420e389"
    },
    {
      "id": "chg_019faea0-dce9-7e66-9f8e-3d4b8e529b2d",
      "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 16:06:45.706651+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-boston-calendar/boston-calendar-mcp#chg-chg_019faea0-dce9-7e66-9f8e-3d4b8e529b2d"
    },
    {
      "id": "chg_019faea0-dce9-79aa-afa1-3d73891bceba",
      "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 16:06:45.706651+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-boston-calendar/boston-calendar-mcp#chg-chg_019faea0-dce9-79aa-afa1-3d73891bceba"
    },
    {
      "id": "chg_019fa940-cfe3-74b7-b5dc-ee7f3aa76262",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 15:03:44.855616+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-boston-calendar/boston-calendar-mcp#chg-chg_019fa940-cfe3-74b7-b5dc-ee7f3aa76262"
    },
    {
      "id": "chg_019fa940-cfe2-7772-8948-a97bc0b3f2ac",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 15:03:44.855616+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-boston-calendar/boston-calendar-mcp#chg-chg_019fa940-cfe2-7772-8948-a97bc0b3f2ac"
    },
    {
      "id": "chg_019fa940-cfe2-7ec5-ae77-b1ca8821736f",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 15:03:44.855616+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-boston-calendar/boston-calendar-mcp#chg-chg_019fa940-cfe2-7ec5-ae77-b1ca8821736f"
    },
    {
      "id": "chg_019fa940-cfe4-745c-b05b-13066b48709c",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 15:03:44.855616+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-boston-calendar/boston-calendar-mcp#chg-chg_019fa940-cfe4-745c-b05b-13066b48709c"
    },
    {
      "id": "chg_019fa940-cfe3-7ed4-8319-b659d6690a37",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 15:03:44.855616+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-boston-calendar/boston-calendar-mcp#chg-chg_019fa940-cfe3-7ed4-8319-b659d6690a37"
    },
    {
      "id": "chg_019fa940-cfe3-7931-a1db-b2b1dbd055ba",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 15:03:44.855616+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-boston-calendar/boston-calendar-mcp#chg-chg_019fa940-cfe3-7931-a1db-b2b1dbd055ba"
    }
  ],
  "days": [
    {
      "date": "2026-08-03",
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      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-08-02",
      "total": 55,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
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    {
      "date": "2026-08-01",
      "total": 54,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-07-31",
      "total": 54,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
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    {
      "date": "2026-07-30",
      "total": 55,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    },
    {
      "date": "2026-07-29",
      "total": 54,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
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    {
      "date": "2026-07-28",
      "total": 54,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
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    {
      "date": "2026-07-27",
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      "tracked": true,
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}