{
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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-openaq/openaq-mcp#chg-chg_019fc038-2f3f-7a90-a7e1-73cbe7b46de6"
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      "occurred_at": "2026-08-02 02:05:35.410016+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-openaq/openaq-mcp#chg-chg_019fc038-2f40-72c1-ac84-588afd0c2237"
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    {
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      "occurred_at": "2026-08-02 02:05:35.410016+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-openaq/openaq-mcp#chg-chg_019fc038-2f41-710e-bcbd-079917074f42"
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    {
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      "occurred_at": "2026-08-02 02:05:35.410016+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-openaq/openaq-mcp#chg-chg_019fc038-2f40-7c8f-a153-de576c2c1fdf"
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    {
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      "occurred_at": "2026-08-02 02:05:35.410016+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-openaq/openaq-mcp#chg-chg_019fc038-2f40-7897-a24f-9c1b853439ff"
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    {
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      "occurred_at": "2026-08-01 02:04:47.535291+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-openaq/openaq-mcp#chg-chg_019fbb11-183d-7139-bf5e-bae8285eb18a"
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    {
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      "subject_kind": "server",
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      "occurred_at": "2026-08-01 02:04:47.535291+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-openaq/openaq-mcp#chg-chg_019fbb11-183f-762b-bfce-8b27f434ae07"
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      "occurred_at": "2026-08-01 02:04:47.535291+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-openaq/openaq-mcp#chg-chg_019fbb11-183f-7130-9c13-636d94ac2daf"
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    {
      "id": "chg_019fbb11-183e-7b82-b5b1-f931013eba63",
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      "subject_kind": "tool",
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      "materiality": "security",
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        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 02:04:47.535291+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-openaq/openaq-mcp#chg-chg_019fbb11-183e-7b82-b5b1-f931013eba63"
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    {
      "id": "chg_019fbb11-183e-751f-aeda-2cb0e9ba3ef9",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 02:04:47.535291+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-openaq/openaq-mcp#chg-chg_019fbb11-183e-751f-aeda-2cb0e9ba3ef9"
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    {
      "id": "chg_019fb36a-7d97-7024-a9d4-be7f38576c47",
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      "occurred_on": "2026-07-30",
      "occurred_at": "2026-07-30 14:25:28.456013+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-openaq/openaq-mcp#chg-chg_019fb36a-7d97-7024-a9d4-be7f38576c47"
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    {
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      "occurred_at": "2026-07-30 14:25:28.456013+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-openaq/openaq-mcp#chg-chg_019fb36a-7d96-7334-b287-423abc72b71b"
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      "occurred_at": "2026-07-30 14:25:28.456013+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-openaq/openaq-mcp#chg-chg_019fb36a-7d96-7a86-bed7-4c81fdeae4db"
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    {
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      "occurred_at": "2026-07-30 14:25:28.456013+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-openaq/openaq-mcp#chg-chg_019fb36a-7d97-74dd-a8fa-592aa9eda21d"
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    {
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      "subject_kind": "server",
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      "occurred_at": "2026-07-30 14:25:28.456013+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-openaq/openaq-mcp#chg-chg_019fb36a-7d97-7972-b7bb-31596f5e5827"
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    {
      "id": "chg_019fae86-565e-71ae-94ce-950cc81fe1d9",
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      "subject_kind": "tool",
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 15:37:47.326836+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-openaq/openaq-mcp#chg-chg_019fae86-565e-71ae-94ce-950cc81fe1d9"
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    {
      "id": "chg_019fae86-5662-7b6b-86de-2de88175c5e9",
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      "subject_kind": "server",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 15:37:47.326836+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-openaq/openaq-mcp#chg-chg_019fae86-5662-7b6b-86de-2de88175c5e9"
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    {
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      "subject_kind": "tool",
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      "to_value": null,
      "materiality": "security",
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 15:37:47.326836+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “get_measurements” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openaq/openaq-mcp#chg-chg_019fae86-5662-729e-99b3-7f8ff4c79d4f"
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    {
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      "subject_kind": "tool",
      "subject": "find_stations",
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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": "find_stations"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 15:37:47.326836+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "Tool “find_stations” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-openaq/openaq-mcp#chg-chg_019fae86-5660-7264-b726-d0821e054469"
    },
    {
      "id": "chg_019fae86-565f-76c5-a6ef-5bdfc06217a2",
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      "materiality": "security",
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      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 15:37:47.326836+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-openaq/openaq-mcp#chg-chg_019fae86-565f-76c5-a6ef-5bdfc06217a2"
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    {
      "id": "chg_019fae86-565e-7dd5-a1e4-397715696c33",
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      "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 15:37:47.326836+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-openaq/openaq-mcp#chg-chg_019fae86-565e-7dd5-a1e4-397715696c33"
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    {
      "id": "chg_019fae86-565e-7815-a242-6b11fd6e57b5",
      "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"
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      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 15:37:47.326836+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-openaq/openaq-mcp#chg-chg_019fae86-565e-7815-a242-6b11fd6e57b5"
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    {
      "id": "chg_019fa980-11ed-777c-a5ac-03b32bf3f051",
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      "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 16:12:50.528631+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-openaq/openaq-mcp#chg-chg_019fa980-11ed-777c-a5ac-03b32bf3f051"
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    {
      "id": "chg_019fa980-11ee-7829-ba1a-84220a5ece76",
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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 16:12:50.528631+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-openaq/openaq-mcp#chg-chg_019fa980-11ee-7829-ba1a-84220a5ece76"
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    {
      "id": "chg_019fa980-11ee-73c3-a3ca-9432d4aa2a3c",
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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_on": "2026-07-28",
      "occurred_at": "2026-07-28 16:12:50.528631+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-openaq/openaq-mcp#chg-chg_019fa980-11ee-73c3-a3ca-9432d4aa2a3c"
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    {
      "id": "chg_019fa980-11ed-7b5a-8b79-921aeb528098",
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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_beta"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 16:12:50.528631+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-openaq/openaq-mcp#chg-chg_019fa980-11ed-7b5a-8b79-921aeb528098"
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    {
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      "occurred_at": "2026-07-28 16:12:50.528631+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-openaq/openaq-mcp#chg-chg_019fa980-11ed-721e-a0e1-31afb9504283"
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
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        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-07-28",
      "occurred_at": "2026-07-28 16:12:50.528631+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-openaq/openaq-mcp#chg-chg_019fa980-11ee-704b-8bfb-6bd47c5e14f4"
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