{
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      "id": "chg_01a09de1-aa78-719b-b465-fd6120018a20",
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      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a09de1-aa78-719b-b465-fd6120018a20"
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    {
      "id": "chg_01a09de1-aa79-7738-a593-0cf9180567a8",
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      "occurred_at": "2026-09-14 03:06:47.207944+00",
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      "source": "scan",
      "summary": "Authorization (fail → unverified)",
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    {
      "id": "chg_01a09de1-aa7a-720c-b22e-062c14fe9029",
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      "occurred_at": "2026-09-14 03:06:47.207944+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
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    {
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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-obis/obis-mcp#chg-chg_01a098bb-c009-75ce-9cbf-188c49c5b1d5"
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    {
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      "occurred_at": "2026-09-13 03:07:16.235584+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a098bb-c00a-784f-bf0a-c5c694ca1d3b"
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    {
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      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a098bb-c00a-7e4b-944e-a5d909b4f8d6"
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    {
      "id": "chg_01a098bb-c00b-7c73-a35b-9db3250abd67",
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      "subject_kind": "tool",
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        "tool": "deep_research"
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      "occurred_at": "2026-09-13 03:07:16.235584+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a098bb-c00b-7c73-a35b-9db3250abd67"
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    {
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      "materiality": "security",
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      "occurred_at": "2026-09-13 03:07:16.235584+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/pipeworx-io-obis/obis-mcp#chg-chg_01a098bb-c00c-7658-8d11-29bb92905f3e"
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    {
      "id": "chg_01a09395-0e3e-7bfb-b52e-3e17a9897ca1",
      "kind": "check.verdict",
      "family": "auth-oauth",
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      "from_code": "auth.none_destructive",
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      "occurred_at": "2026-09-12 03:06:54.281046+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a09395-0e3e-7bfb-b52e-3e17a9897ca1"
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    {
      "id": "chg_01a09395-0e40-7829-b83c-ecb422e51d07",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 03:06:54.281046+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a09395-0e40-7829-b83c-ecb422e51d07"
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    {
      "id": "chg_01a09395-0e40-7e1b-a4b1-8149bcab3773",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 03:06:54.281046+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a09395-0e40-7e1b-a4b1-8149bcab3773"
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    {
      "id": "chg_01a09395-0e41-7545-bfee-e0ed8cd343f1",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 03:06:54.281046+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a09395-0e41-7545-bfee-e0ed8cd343f1"
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    {
      "id": "chg_01a09395-0e41-7d38-be6b-22549d216a65",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "bet_research",
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      "from_code": null,
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      "from_value": null,
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      "materiality": "security",
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      "detail": {
        "tool": "bet_research"
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      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 03:06:54.281046+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “bet_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a09395-0e41-7d38-be6b-22549d216a65"
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    {
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 03:06:54.281046+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a09395-0e42-7aba-81df-085db65de1eb"
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    {
      "id": "chg_01a09395-0e42-7f14-87d2-611152ca0432",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
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      "from_code": null,
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      "materiality": "security",
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      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 03:06:54.281046+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a09395-0e42-7f14-87d2-611152ca0432"
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      "materiality": "security",
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      "occurred_at": "2026-09-12 03:06:54.281046+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/pipeworx-io-obis/obis-mcp#chg-chg_01a09395-0e43-787e-b792-e1512109246e"
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    {
      "id": "chg_01a08e6e-ce8a-7670-911f-3f409dbe8504",
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      "materiality": "security",
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      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 03:07:01.523215+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a08e6e-ce8a-7670-911f-3f409dbe8504"
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    {
      "id": "chg_01a08e6e-ce8d-7a03-9760-b2510f4c3276",
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      "materiality": "security",
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      "detail": {
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      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 03:07:01.523215+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a08e6e-ce8d-7a03-9760-b2510f4c3276"
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    {
      "id": "chg_01a08e6e-ce8e-7172-937b-1485e57ecb29",
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      "subject_kind": "tool",
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      "from_code": null,
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 03:07:01.523215+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a08e6e-ce8e-7172-937b-1485e57ecb29"
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    {
      "id": "chg_01a08e6e-ce8e-77e5-8a41-432b82974917",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
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      "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": "2026-09-11",
      "occurred_at": "2026-09-11 03:07:01.523215+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a08e6e-ce8e-77e5-8a41-432b82974917"
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    {
      "id": "chg_01a08e6e-ce8e-7d12-8e9e-84119253c270",
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      "subject_kind": "server",
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      "to_value": null,
      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 03:07:01.523215+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/pipeworx-io-obis/obis-mcp#chg-chg_01a08e6e-ce8e-7d12-8e9e-84119253c270"
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    {
      "id": "chg_01a08948-64a4-7c4d-8abb-49d9e141acd7",
      "kind": "check.verdict",
      "family": "auth-oauth",
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      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 03:06:58.001315+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a08948-64a4-7c4d-8abb-49d9e141acd7"
    },
    {
      "id": "chg_01a08948-64a5-7dfa-a71a-0fb1dd5097d2",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 03:06:58.001315+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a08948-64a5-7dfa-a71a-0fb1dd5097d2"
    },
    {
      "id": "chg_01a08948-64a6-7492-b21b-725ac6152783",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 03:06:58.001315+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a08948-64a6-7492-b21b-725ac6152783"
    },
    {
      "id": "chg_01a08948-64a6-78cb-a5e1-5d969e8014ef",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 03:06:58.001315+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a08948-64a6-78cb-a5e1-5d969e8014ef"
    },
    {
      "id": "chg_01a08948-64a6-7e00-9e39-e55e8dab1c2a",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 03:06:58.001315+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a08948-64a6-7e00-9e39-e55e8dab1c2a"
    },
    {
      "id": "chg_01a08948-64a7-73d4-91d8-9f49682c508d",
      "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 03:06:58.001315+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/pipeworx-io-obis/obis-mcp#chg-chg_01a08948-64a7-73d4-91d8-9f49682c508d"
    },
    {
      "id": "chg_01a08421-baec-714a-9535-035fd19dcddb",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 03:06:38.085964+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a08421-baec-714a-9535-035fd19dcddb"
    },
    {
      "id": "chg_01a08421-baec-7e4b-9655-6b36f4f172cd",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 03:06:38.085964+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a08421-baec-7e4b-9655-6b36f4f172cd"
    },
    {
      "id": "chg_01a08421-baed-750e-a2d3-44ef8ba039a9",
      "kind": "check.reverified",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.stable",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 03:06:38.085964+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a08421-baed-750e-a2d3-44ef8ba039a9"
    },
    {
      "id": "chg_01a079d7-75bc-75f7-9801-9488bc6e8c38",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.churn",
      "to_code": "stability.insufficient_history",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 03:09:18.529971+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Stability (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a079d7-75bc-75f7-9801-9488bc6e8c38"
    },
    {
      "id": "chg_01a079d7-75be-7c4e-9fe7-fe0e117f6d3c",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "unreachable",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "unreachable",
        "from": "verified"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 03:09:18.529971+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → unreachable)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a079d7-75be-7c4e-9fe7-fe0e117f6d3c"
    },
    {
      "id": "chg_01a074ae-791e-7b34-b53b-1612372c4f54",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.churn",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "30",
        "added": "0",
        "breaks": "0",
        "removed": "34",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 03:06:26.357325+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a074ae-791e-7b34-b53b-1612372c4f54"
    },
    {
      "id": "chg_01a074ae-791f-7e5d-8cac-70c12f20e9e2",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 03:06:26.357325+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a074ae-791f-7e5d-8cac-70c12f20e9e2"
    },
    {
      "id": "chg_01a074ae-7920-7579-b9cb-c9c9ecdd99b6",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 03:06:26.357325+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a074ae-7920-7579-b9cb-c9c9ecdd99b6"
    },
    {
      "id": "chg_01a06f87-cd31-79f1-b2ed-a275693c1882",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 03:06:05.878882+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06f87-cd31-79f1-b2ed-a275693c1882"
    },
    {
      "id": "chg_01a06f87-cd32-7d46-a7eb-9cd0cd4bfac3",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 03:06:05.878882+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06f87-cd32-7d46-a7eb-9cd0cd4bfac3"
    },
    {
      "id": "chg_01a06f87-cd33-7627-852e-458e17050d1a",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 03:06:05.878882+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06f87-cd33-7627-852e-458e17050d1a"
    },
    {
      "id": "chg_01a06f87-cd33-7bbc-a341-b19062c7a524",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 03:06:05.878882+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06f87-cd33-7bbc-a341-b19062c7a524"
    },
    {
      "id": "chg_01a06f87-cd34-7269-907a-961e088e34e5",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 03:06:05.878882+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06f87-cd34-7269-907a-961e088e34e5"
    },
    {
      "id": "chg_01a06a61-aa72-7d79-a047-31b6ee353495",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 03:06:20.598201+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06a61-aa72-7d79-a047-31b6ee353495"
    },
    {
      "id": "chg_01a06a61-aa73-7c10-ba19-aae937636f24",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 03:06:20.598201+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06a61-aa73-7c10-ba19-aae937636f24"
    },
    {
      "id": "chg_01a06a61-aa74-71e8-aa15-e634993fbfc3",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 03:06:20.598201+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06a61-aa74-71e8-aa15-e634993fbfc3"
    },
    {
      "id": "chg_01a06a61-aa74-76c2-a5bb-6785f3871798",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 03:06:20.598201+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06a61-aa74-76c2-a5bb-6785f3871798"
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    {
      "id": "chg_01a06a61-aa74-7bc8-a151-09f40f81a554",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 03:06:20.598201+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06a61-aa74-7bc8-a151-09f40f81a554"
    },
    {
      "id": "chg_01a06a61-aa75-7544-94f1-4ab901650901",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "entity_profile",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "entity_profile"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 03:06:20.598201+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “entity_profile” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06a61-aa75-7544-94f1-4ab901650901"
    },
    {
      "id": "chg_01a06a61-aa76-7aeb-99af-5aa651db2e2b",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 03:06:20.598201+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06a61-aa76-7aeb-99af-5aa651db2e2b"
    },
    {
      "id": "chg_01a0653b-1afc-7094-b124-2766ad11a2a0",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 03:06:07.41228+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a0653b-1afc-7094-b124-2766ad11a2a0"
    },
    {
      "id": "chg_01a0653b-1afc-7def-a293-311ca526ff2f",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 03:06:07.41228+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a0653b-1afc-7def-a293-311ca526ff2f"
    },
    {
      "id": "chg_01a0653b-1afd-7338-8b0b-157b6be4ef02",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 03:06:07.41228+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a0653b-1afd-7338-8b0b-157b6be4ef02"
    },
    {
      "id": "chg_01a0653b-1afd-7822-961b-a73ba5316659",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 03:06:07.41228+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a0653b-1afd-7822-961b-a73ba5316659"
    },
    {
      "id": "chg_01a0653b-1afd-7d4a-8ed8-2e868f8dcb22",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_kalshi_spread"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 03:06:07.41228+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a0653b-1afd-7d4a-8ed8-2e868f8dcb22"
    },
    {
      "id": "chg_01a0653b-1afe-72ca-88a0-cae7e100a47e",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 03:06:07.41228+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a0653b-1afe-72ca-88a0-cae7e100a47e"
    },
    {
      "id": "chg_01a06014-c53a-78e9-9e72-97ec762d48d2",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 03:06:09.007006+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06014-c53a-78e9-9e72-97ec762d48d2"
    },
    {
      "id": "chg_01a06014-c53b-7137-8e9a-7634a131e114",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 03:06:09.007006+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06014-c53b-7137-8e9a-7634a131e114"
    },
    {
      "id": "chg_01a06014-c53b-7595-a542-63385536ac87",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 03:06:09.007006+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06014-c53b-7595-a542-63385536ac87"
    },
    {
      "id": "chg_01a06014-c53b-7923-9bac-e0539e10e19e",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 03:06:09.007006+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06014-c53b-7923-9bac-e0539e10e19e"
    },
    {
      "id": "chg_01a06014-c53b-7de2-9e80-0b1a3c0983e5",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "resolve_entity",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "resolve_entity"
      },
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 03:06:09.007006+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “resolve_entity” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06014-c53b-7de2-9e80-0b1a3c0983e5"
    },
    {
      "id": "chg_01a06014-c53e-7a78-a4a4-acd146fe1a3b",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 03:06:09.007006+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a06014-c53e-7a78-a4a4-acd146fe1a3b"
    },
    {
      "id": "chg_01a05aee-aab9-739e-adae-e3c1aeeb14cb",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 03:06:25.80769+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a05aee-aab9-739e-adae-e3c1aeeb14cb"
    },
    {
      "id": "chg_01a05aee-aaba-7943-a261-843d3fb8ffb5",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 03:06:25.80769+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a05aee-aaba-7943-a261-843d3fb8ffb5"
    },
    {
      "id": "chg_01a05aee-aabb-74d3-a2c7-3dca82514d48",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 03:06:25.80769+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a05aee-aabb-74d3-a2c7-3dca82514d48"
    },
    {
      "id": "chg_01a05aee-aabb-799f-bf95-02bbefc5424c",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 03:06:25.80769+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a05aee-aabb-799f-bf95-02bbefc5424c"
    },
    {
      "id": "chg_01a05aee-aabb-7e41-8fbb-4916e7761f68",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 03:06:25.80769+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a05aee-aabb-7e41-8fbb-4916e7761f68"
    },
    {
      "id": "chg_01a05aee-aabc-7487-bdb0-2ef23ec2bbf9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_kalshi_spread"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 03:06:25.80769+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a05aee-aabc-7487-bdb0-2ef23ec2bbf9"
    },
    {
      "id": "chg_01a05aee-aabc-785f-83ce-04c582dd6411",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 03:06:25.80769+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a05aee-aabc-785f-83ce-04c582dd6411"
    },
    {
      "id": "chg_01a055c7-3c92-7203-9f6f-0a5f7b248c0a",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 03:05:15.525685+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a055c7-3c92-7203-9f6f-0a5f7b248c0a"
    },
    {
      "id": "chg_01a055c7-3c95-7ed4-ab15-6b8fbf3eeeb2",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 03:05:15.525685+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a055c7-3c95-7ed4-ab15-6b8fbf3eeeb2"
    },
    {
      "id": "chg_01a055c7-3c96-77a7-95b8-8b3da9d262e5",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 03:05:15.525685+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a055c7-3c96-77a7-95b8-8b3da9d262e5"
    },
    {
      "id": "chg_01a055c7-3c96-7e01-b1b1-f196ff52b7e1",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 03:05:15.525685+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a055c7-3c96-7e01-b1b1-f196ff52b7e1"
    },
    {
      "id": "chg_01a055c7-3c97-7a6f-b9ef-df76ca9dc2b0",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 03:05:15.525685+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a055c7-3c97-7a6f-b9ef-df76ca9dc2b0"
    },
    {
      "id": "chg_01a055c7-3c98-7488-941c-aabc05f2e181",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 03:05:15.525685+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a055c7-3c98-7488-941c-aabc05f2e181"
    },
    {
      "id": "chg_01a050a0-b4ea-7089-8667-e990cf0c3d9e",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 03:05:04.415+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a050a0-b4ea-7089-8667-e990cf0c3d9e"
    },
    {
      "id": "chg_01a050a0-b4eb-72ad-9a29-62dc1a1aafdc",
      "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": "2026-08-30",
      "occurred_at": "2026-08-30 03:05:04.415+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a050a0-b4eb-72ad-9a29-62dc1a1aafdc"
    },
    {
      "id": "chg_01a050a0-b4eb-784a-9c44-1d930af7628f",
      "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": "2026-08-30",
      "occurred_at": "2026-08-30 03:05:04.415+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a050a0-b4eb-784a-9c44-1d930af7628f"
    },
    {
      "id": "chg_01a050a0-b4eb-7e57-8151-2cb0193e5882",
      "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": "2026-08-30",
      "occurred_at": "2026-08-30 03:05:04.415+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a050a0-b4eb-7e57-8151-2cb0193e5882"
    },
    {
      "id": "chg_01a050a0-b4ec-73cc-aeaa-46e4e7fe5b7e",
      "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": "2026-08-30",
      "occurred_at": "2026-08-30 03:05:04.415+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a050a0-b4ec-73cc-aeaa-46e4e7fe5b7e"
    },
    {
      "id": "chg_01a050a0-b4ec-791c-9008-8fb0cf75346e",
      "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": "2026-08-30",
      "occurred_at": "2026-08-30 03:05:04.415+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a050a0-b4ec-791c-9008-8fb0cf75346e"
    },
    {
      "id": "chg_01a04b7a-da11-7c11-96fc-cf5135ee1834",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 03:05:37.479649+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a04b7a-da11-7c11-96fc-cf5135ee1834"
    },
    {
      "id": "chg_01a04b7a-da12-7de1-9209-775cbf446cd6",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 03:05:37.479649+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a04b7a-da12-7de1-9209-775cbf446cd6"
    },
    {
      "id": "chg_01a04b7a-da13-736f-9b4f-8dc6fed83f18",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 03:05:37.479649+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a04b7a-da13-736f-9b4f-8dc6fed83f18"
    },
    {
      "id": "chg_01a04b7a-da13-7ba0-a4b4-ec93dd1a1ba1",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 03:05:37.479649+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a04b7a-da13-7ba0-a4b4-ec93dd1a1ba1"
    },
    {
      "id": "chg_01a04b7a-da14-71fc-b13d-1e381ab44b2c",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 03:05:37.479649+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/pipeworx-io-obis/obis-mcp#chg-chg_01a04b7a-da14-71fc-b13d-1e381ab44b2c"
    },
    {
      "id": "chg_01a0412e-37b8-7c28-8529-d62d54e60ade",
      "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": "2026-08-27",
      "occurred_at": "2026-08-27 03:05:43.061156+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a0412e-37b8-7c28-8529-d62d54e60ade"
    },
    {
      "id": "chg_01a0412e-37b9-7d35-913e-53ffe21612f3",
      "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": "2026-08-27",
      "occurred_at": "2026-08-27 03:05:43.061156+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a0412e-37b9-7d35-913e-53ffe21612f3"
    },
    {
      "id": "chg_01a0412e-37ba-74d0-9f35-b7ccac16bff5",
      "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": "2026-08-27",
      "occurred_at": "2026-08-27 03:05:43.061156+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a0412e-37ba-74d0-9f35-b7ccac16bff5"
    },
    {
      "id": "chg_01a0412e-37bc-79a1-a7d5-8d0ed33177d6",
      "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": "2026-08-27",
      "occurred_at": "2026-08-27 03:05:43.061156+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a0412e-37bc-79a1-a7d5-8d0ed33177d6"
    },
    {
      "id": "chg_01a0412e-37bf-76e8-8dbd-bd8505f46e4a",
      "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": "2026-08-27",
      "occurred_at": "2026-08-27 03:05:43.061156+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a0412e-37bf-76e8-8dbd-bd8505f46e4a"
    },
    {
      "id": "chg_01a036e1-26b8-76e7-8367-a5349c089e02",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 03:05:20.192218+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a036e1-26b8-76e7-8367-a5349c089e02"
    },
    {
      "id": "chg_01a031bb-12a7-799f-9096-0b189205f7ec",
      "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": "2026-08-24",
      "occurred_at": "2026-08-24 03:05:38.656068+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a031bb-12a7-799f-9096-0b189205f7ec"
    },
    {
      "id": "chg_01a031bb-12a8-75cb-bd0e-8cda924133be",
      "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": "2026-08-24",
      "occurred_at": "2026-08-24 03:05:38.656068+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a031bb-12a8-75cb-bd0e-8cda924133be"
    },
    {
      "id": "chg_01a031bb-12a8-7cfe-aba2-36884a713014",
      "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": "2026-08-24",
      "occurred_at": "2026-08-24 03:05:38.656068+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a031bb-12a8-7cfe-aba2-36884a713014"
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      "from_value": null,
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      "materiality": "security",
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      "occurred_at": "2026-08-24 03:05:38.656068+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a031bb-12a9-71eb-9e4e-90a9cf6ea591"
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      "occurred_at": "2026-08-24 03:05:38.656068+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-obis/obis-mcp#chg-chg_01a031bb-12a9-760e-9942-f706f527f760"
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      "observed_since": "2026-08-22",
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      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
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