{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pipeworx-io-open-corporates",
  "component": "open-corporates-mcp",
  "generated_at": "2026-09-21T09:30:32.992Z",
  "tracking_since": "2026-07-26",
  "counts": {
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    "security": 96,
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  },
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    {
      "id": "chg_01a09de7-55f9-7614-acdb-b10282718439",
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      "occurred_at": "2026-09-14 03:12:58.774072+00",
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      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a09de7-55f9-7614-acdb-b10282718439"
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      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a09de7-55fa-7bb8-afb3-710aa5126c39"
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      "id": "chg_01a09de7-55fb-715b-ac4b-1279cac94c9a",
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      "occurred_at": "2026-09-14 03:12:58.774072+00",
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      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a09de7-55fb-715b-ac4b-1279cac94c9a"
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    {
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      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a098c1-26c8-700e-9446-882693eb5c68"
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    {
      "id": "chg_01a098c1-26c9-7023-b1d2-225f971cfff0",
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      "summary": "Injection markers (unverified → pass)",
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      "summary": "Stability (fail → pass)",
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      "occurred_at": "2026-09-12 03:13:18.205781+00",
      "observed_since": "2026-09-11",
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      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a0939a-e9e0-7484-872a-fa02dc76dcc8"
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    {
      "id": "chg_01a0939a-e9e1-736c-baf2-681861228e57",
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      "occurred_at": "2026-09-12 03:13:18.205781+00",
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      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a0939a-e9e1-736c-baf2-681861228e57"
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    {
      "id": "chg_01a0939a-e9e1-7898-b4c1-679875969afc",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
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      "from_value": "pass",
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      "occurred_at": "2026-09-12 03:13:18.205781+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a0939a-e9e1-7898-b4c1-679875969afc"
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    {
      "id": "chg_01a08e6f-d9e9-7883-8166-40c40b018c08",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx",
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      "materiality": "security",
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      "occurred_at": "2026-09-11 03:08:09.996002+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-open-corporates/open-corporates-mcp#chg-chg_01a08e6f-d9e9-7883-8166-40c40b018c08"
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    {
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 03:08:09.996002+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-open-corporates/open-corporates-mcp#chg-chg_01a08e6f-d9ea-79bc-b786-35d0933c7206"
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    {
      "id": "chg_01a08e6f-d9eb-71f4-b09c-f3382cebfbb8",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 03:08:09.996002+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-open-corporates/open-corporates-mcp#chg-chg_01a08e6f-d9eb-71f4-b09c-f3382cebfbb8"
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    {
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 03:08:09.996002+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-open-corporates/open-corporates-mcp#chg-chg_01a08e6f-d9eb-7838-8ebc-df6c14d677ec"
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    {
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      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 03:08:09.996002+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-open-corporates/open-corporates-mcp#chg-chg_01a08e6f-d9eb-7e02-bce2-6a022dca5217"
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    {
      "id": "chg_01a08949-8718-7037-8569-f7fc42daad4d",
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
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      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 03:08:12.311844+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-open-corporates/open-corporates-mcp#chg-chg_01a08949-8718-7037-8569-f7fc42daad4d"
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    {
      "id": "chg_01a08949-8719-72a5-8135-9a7f2b64b327",
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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": "2026-09-10",
      "occurred_at": "2026-09-10 03:08:12.311844+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-open-corporates/open-corporates-mcp#chg-chg_01a08949-8719-72a5-8135-9a7f2b64b327"
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    {
      "id": "chg_01a08949-8719-7822-a6d4-56e38d58fae4",
      "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",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 03:08:12.311844+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-open-corporates/open-corporates-mcp#chg-chg_01a08949-8719-7822-a6d4-56e38d58fae4"
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    {
      "id": "chg_01a08949-8719-7f39-97ef-a879862a0e90",
      "kind": "tool.description_changed",
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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": "2026-09-10",
      "occurred_at": "2026-09-10 03:08:12.311844+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-open-corporates/open-corporates-mcp#chg-chg_01a08949-8719-7f39-97ef-a879862a0e90"
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    {
      "id": "chg_01a08949-871a-740e-9597-fc08213d50c6",
      "kind": "server.instructions_changed",
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      "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": "2026-09-10",
      "occurred_at": "2026-09-10 03:08:12.311844+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-open-corporates/open-corporates-mcp#chg-chg_01a08949-871a-740e-9597-fc08213d50c6"
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    {
      "id": "chg_01a08422-ca30-7bad-8a25-ab39ee583134",
      "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 03:07:47.543092+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a08422-ca30-7bad-8a25-ab39ee583134"
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    {
      "id": "chg_01a08422-ca32-718d-87c0-90b01f946604",
      "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 03:07:47.543092+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a08422-ca32-718d-87c0-90b01f946604"
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    {
      "id": "chg_01a08422-ca32-7847-bac8-a75e10019bff",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.churn",
      "to_code": "stability.stable",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 03:07:47.543092+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a08422-ca32-7847-bac8-a75e10019bff"
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    {
      "id": "chg_01a07f00-0b88-7bd4-94e5-c5666da91ec3",
      "kind": "check.reverified",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.churn",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
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        "removed": "34",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 03:11:44.440475+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Stability (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a07f00-0b88-7bd4-94e5-c5666da91ec3"
    },
    {
      "id": "chg_01a079d8-ca41-701a-8f1d-fd718ad38d65",
      "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 03:10:45.708739+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Stability (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a079d8-ca41-701a-8f1d-fd718ad38d65"
    },
    {
      "id": "chg_01a079d8-ca45-74bc-98d7-ef7b040989a5",
      "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 03:10:45.708739+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → unreachable)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a079d8-ca45-74bc-98d7-ef7b040989a5"
    },
    {
      "id": "chg_01a074af-9988-7335-9a6d-9cb18a498d1b",
      "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 03:07:40.179635+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a074af-9988-7335-9a6d-9cb18a498d1b"
    },
    {
      "id": "chg_01a074af-998b-70ad-9eed-903bb840f4bb",
      "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 03:07:40.179635+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a074af-998b-70ad-9eed-903bb840f4bb"
    },
    {
      "id": "chg_01a074af-998b-78b7-ae2b-971ba5e3bf8d",
      "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 03:07:40.179635+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a074af-998b-78b7-ae2b-971ba5e3bf8d"
    },
    {
      "id": "chg_01a06f89-1ff5-764e-a1af-85aa4ae87281",
      "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 03:07:32.631002+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-open-corporates/open-corporates-mcp#chg-chg_01a06f89-1ff5-764e-a1af-85aa4ae87281"
    },
    {
      "id": "chg_01a06f89-1ff6-7453-ae91-f9f67d1cd9ec",
      "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 03:07:32.631002+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-open-corporates/open-corporates-mcp#chg-chg_01a06f89-1ff6-7453-ae91-f9f67d1cd9ec"
    },
    {
      "id": "chg_01a06f89-1ff6-798a-90de-7ed9c0b91a92",
      "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 03:07:32.631002+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-open-corporates/open-corporates-mcp#chg-chg_01a06f89-1ff6-798a-90de-7ed9c0b91a92"
    },
    {
      "id": "chg_01a06f89-1ff7-73b9-b370-213b22e35b7c",
      "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 03:07:32.631002+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-open-corporates/open-corporates-mcp#chg-chg_01a06f89-1ff7-73b9-b370-213b22e35b7c"
    },
    {
      "id": "chg_01a06f89-1ff7-77dc-a0e8-beaea821a016",
      "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 03:07:32.631002+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-open-corporates/open-corporates-mcp#chg-chg_01a06f89-1ff7-77dc-a0e8-beaea821a016"
    },
    {
      "id": "chg_01a06a62-da6a-755f-bcd1-3d5cfacba2cd",
      "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 03:07:38.362177+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a06a62-da6a-755f-bcd1-3d5cfacba2cd"
    },
    {
      "id": "chg_01a06a62-da6b-7538-b420-86b70dccec0f",
      "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 03:07:38.362177+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-open-corporates/open-corporates-mcp#chg-chg_01a06a62-da6b-7538-b420-86b70dccec0f"
    },
    {
      "id": "chg_01a06a62-da6b-7904-a0a3-c897a057dd49",
      "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 03:07:38.362177+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-open-corporates/open-corporates-mcp#chg-chg_01a06a62-da6b-7904-a0a3-c897a057dd49"
    },
    {
      "id": "chg_01a06a62-da6c-77d2-9fa9-77ec1a89a1b6",
      "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 03:07:38.362177+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-open-corporates/open-corporates-mcp#chg-chg_01a06a62-da6c-77d2-9fa9-77ec1a89a1b6"
    },
    {
      "id": "chg_01a06a62-da6c-7c0e-8695-a6e75c0d8bb3",
      "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 03:07:38.362177+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-open-corporates/open-corporates-mcp#chg-chg_01a06a62-da6c-7c0e-8695-a6e75c0d8bb3"
    },
    {
      "id": "chg_01a06a62-da6d-7099-8e2a-46dc5f0ecbe9",
      "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 03:07:38.362177+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-open-corporates/open-corporates-mcp#chg-chg_01a06a62-da6d-7099-8e2a-46dc5f0ecbe9"
    },
    {
      "id": "chg_01a06a62-da6e-77e4-bdfe-752cd16d16d1",
      "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 03:07:38.362177+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-open-corporates/open-corporates-mcp#chg-chg_01a06a62-da6e-77e4-bdfe-752cd16d16d1"
    },
    {
      "id": "chg_01a0653c-47bf-7117-bf80-8286639946dd",
      "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 03:07:24.413346+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-open-corporates/open-corporates-mcp#chg-chg_01a0653c-47bf-7117-bf80-8286639946dd"
    },
    {
      "id": "chg_01a0653c-47c3-73c1-915c-24d0f68b157a",
      "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 03:07:24.413346+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-open-corporates/open-corporates-mcp#chg-chg_01a0653c-47c3-73c1-915c-24d0f68b157a"
    },
    {
      "id": "chg_01a0653c-47c3-7d44-a638-a2a3098cacda",
      "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 03:07:24.413346+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-open-corporates/open-corporates-mcp#chg-chg_01a0653c-47c3-7d44-a638-a2a3098cacda"
    },
    {
      "id": "chg_01a0653c-47c4-72bc-9a8f-dda7c2d7dd8c",
      "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 03:07:24.413346+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-open-corporates/open-corporates-mcp#chg-chg_01a0653c-47c4-72bc-9a8f-dda7c2d7dd8c"
    },
    {
      "id": "chg_01a0653c-47c4-77a5-b34f-c6720f804339",
      "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 03:07:24.413346+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-open-corporates/open-corporates-mcp#chg-chg_01a0653c-47c4-77a5-b34f-c6720f804339"
    },
    {
      "id": "chg_01a0653c-47c4-7d10-8c1d-56e07781829f",
      "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 03:07:24.413346+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-open-corporates/open-corporates-mcp#chg-chg_01a0653c-47c4-7d10-8c1d-56e07781829f"
    },
    {
      "id": "chg_01a06015-fa23-7973-9c40-68cc44f8db4b",
      "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 03:07:28.065242+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-open-corporates/open-corporates-mcp#chg-chg_01a06015-fa23-7973-9c40-68cc44f8db4b"
    },
    {
      "id": "chg_01a06015-fa25-7cf8-bb0b-af6b72976727",
      "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 03:07:28.065242+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-open-corporates/open-corporates-mcp#chg-chg_01a06015-fa25-7cf8-bb0b-af6b72976727"
    },
    {
      "id": "chg_01a06015-fa26-7342-8dec-c5b315f3b5f5",
      "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 03:07:28.065242+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-open-corporates/open-corporates-mcp#chg-chg_01a06015-fa26-7342-8dec-c5b315f3b5f5"
    },
    {
      "id": "chg_01a06015-fa26-7887-a0b1-81399b1a2ab4",
      "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 03:07:28.065242+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-open-corporates/open-corporates-mcp#chg-chg_01a06015-fa26-7887-a0b1-81399b1a2ab4"
    },
    {
      "id": "chg_01a06015-fa26-7c29-bcc9-18a2b1fe69f7",
      "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 03:07:28.065242+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-open-corporates/open-corporates-mcp#chg-chg_01a06015-fa26-7c29-bcc9-18a2b1fe69f7"
    },
    {
      "id": "chg_01a06015-fa27-73d2-8346-350aedb83306",
      "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 03:07:28.065242+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-open-corporates/open-corporates-mcp#chg-chg_01a06015-fa27-73d2-8346-350aedb83306"
    },
    {
      "id": "chg_01a05aef-f4ba-712d-b53e-9a9888448a27",
      "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 03:07:50.288209+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-open-corporates/open-corporates-mcp#chg-chg_01a05aef-f4ba-712d-b53e-9a9888448a27"
    },
    {
      "id": "chg_01a05aef-f4bb-73a7-936f-e27b11507571",
      "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 03:07:50.288209+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-open-corporates/open-corporates-mcp#chg-chg_01a05aef-f4bb-73a7-936f-e27b11507571"
    },
    {
      "id": "chg_01a05aef-f4bb-7a2e-b4d1-7d2df274e642",
      "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 03:07:50.288209+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-open-corporates/open-corporates-mcp#chg-chg_01a05aef-f4bb-7a2e-b4d1-7d2df274e642"
    },
    {
      "id": "chg_01a05aef-f4bc-7085-9aff-4fee6ace476f",
      "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 03:07:50.288209+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-open-corporates/open-corporates-mcp#chg-chg_01a05aef-f4bc-7085-9aff-4fee6ace476f"
    },
    {
      "id": "chg_01a05aef-f4bc-7705-a941-55b5145ec386",
      "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 03:07:50.288209+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-open-corporates/open-corporates-mcp#chg-chg_01a05aef-f4bc-7705-a941-55b5145ec386"
    },
    {
      "id": "chg_01a05aef-f4bc-7c4d-a156-291a323d1931",
      "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 03:07:50.288209+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-open-corporates/open-corporates-mcp#chg-chg_01a05aef-f4bc-7c4d-a156-291a323d1931"
    },
    {
      "id": "chg_01a055c8-e176-7bc4-9737-6e4f88ef529c",
      "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 03:07:03.276693+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-open-corporates/open-corporates-mcp#chg-chg_01a055c8-e176-7bc4-9737-6e4f88ef529c"
    },
    {
      "id": "chg_01a055c8-e177-7e41-bfec-f1e07566c436",
      "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 03:07:03.276693+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-open-corporates/open-corporates-mcp#chg-chg_01a055c8-e177-7e41-bfec-f1e07566c436"
    },
    {
      "id": "chg_01a055c8-e178-75fd-a754-24c00af40011",
      "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 03:07:03.276693+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-open-corporates/open-corporates-mcp#chg-chg_01a055c8-e178-75fd-a754-24c00af40011"
    },
    {
      "id": "chg_01a055c8-e179-7198-9a53-5f621ad78179",
      "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 03:07:03.276693+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-open-corporates/open-corporates-mcp#chg-chg_01a055c8-e179-7198-9a53-5f621ad78179"
    },
    {
      "id": "chg_01a055c8-e179-775e-bf3b-186e917f19ce",
      "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 03:07:03.276693+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-open-corporates/open-corporates-mcp#chg-chg_01a055c8-e179-775e-bf3b-186e917f19ce"
    },
    {
      "id": "chg_01a050a2-7040-78b9-85e3-9d3e853d1013",
      "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 03:06:57.897948+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a050a2-7040-78b9-85e3-9d3e853d1013"
    },
    {
      "id": "chg_01a050a2-7041-785d-9721-9f5bc30be4e0",
      "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 03:06:57.897948+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-open-corporates/open-corporates-mcp#chg-chg_01a050a2-7041-785d-9721-9f5bc30be4e0"
    },
    {
      "id": "chg_01a050a2-7041-7d91-a9e2-6b0e47ff41c0",
      "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 03:06:57.897948+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-open-corporates/open-corporates-mcp#chg-chg_01a050a2-7041-7d91-a9e2-6b0e47ff41c0"
    },
    {
      "id": "chg_01a050a2-7042-7525-a0ed-c126ebb2c07a",
      "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 03:06:57.897948+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-open-corporates/open-corporates-mcp#chg-chg_01a050a2-7042-7525-a0ed-c126ebb2c07a"
    },
    {
      "id": "chg_01a050a2-7042-7d31-843f-0ce0423ee332",
      "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 03:06:57.897948+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-open-corporates/open-corporates-mcp#chg-chg_01a050a2-7042-7d31-843f-0ce0423ee332"
    },
    {
      "id": "chg_01a050a2-7043-7559-b204-672994b7a07b",
      "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 03:06:57.897948+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-open-corporates/open-corporates-mcp#chg-chg_01a050a2-7043-7559-b204-672994b7a07b"
    },
    {
      "id": "chg_01a04b7a-d81b-7e9e-ac62-12fab20e0705",
      "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 03:05:36.930246+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-open-corporates/open-corporates-mcp#chg-chg_01a04b7a-d81b-7e9e-ac62-12fab20e0705"
    },
    {
      "id": "chg_01a04b7a-d81f-7455-8ab5-de147fb394b8",
      "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 03:05:36.930246+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-open-corporates/open-corporates-mcp#chg-chg_01a04b7a-d81f-7455-8ab5-de147fb394b8"
    },
    {
      "id": "chg_01a04b7a-d81f-7e01-8146-003465df3f96",
      "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 03:05:36.930246+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-open-corporates/open-corporates-mcp#chg-chg_01a04b7a-d81f-7e01-8146-003465df3f96"
    },
    {
      "id": "chg_01a04b7a-d820-786d-9edc-d9ffdae32c64",
      "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 03:05:36.930246+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-open-corporates/open-corporates-mcp#chg-chg_01a04b7a-d820-786d-9edc-d9ffdae32c64"
    },
    {
      "id": "chg_01a04b7a-d820-7f2f-873c-6ac9d14694ad",
      "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 03:05:36.930246+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-open-corporates/open-corporates-mcp#chg-chg_01a04b7a-d820-7f2f-873c-6ac9d14694ad"
    },
    {
      "id": "chg_01a04654-93e1-7a44-8e92-885f45070242",
      "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": "2026-08-28",
      "occurred_at": "2026-08-28 03:05:42.995821+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a04654-93e1-7a44-8e92-885f45070242"
    },
    {
      "id": "chg_01a0412e-35f4-72a8-b610-3d47e2e3abaf",
      "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": "2026-08-27",
      "occurred_at": "2026-08-27 03:05:42.592541+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a0412e-35f4-72a8-b610-3d47e2e3abaf"
    },
    {
      "id": "chg_01a0412e-35f5-746c-b002-2a0c5910655b",
      "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 03:05:42.592541+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-open-corporates/open-corporates-mcp#chg-chg_01a0412e-35f5-746c-b002-2a0c5910655b"
    },
    {
      "id": "chg_01a0412e-35f5-7c28-a932-d21a735961ec",
      "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 03:05:42.592541+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-open-corporates/open-corporates-mcp#chg-chg_01a0412e-35f5-7c28-a932-d21a735961ec"
    },
    {
      "id": "chg_01a0412e-35f6-729a-bb1d-9f52e7d9da80",
      "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 03:05:42.592541+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-open-corporates/open-corporates-mcp#chg-chg_01a0412e-35f6-729a-bb1d-9f52e7d9da80"
    },
    {
      "id": "chg_01a0412e-35f6-788b-9e3d-18c73cee5479",
      "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 03:05:42.592541+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-open-corporates/open-corporates-mcp#chg-chg_01a0412e-35f6-788b-9e3d-18c73cee5479"
    },
    {
      "id": "chg_01a0412e-35f6-7d45-bf38-3577d0abc8ae",
      "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 03:05:42.592541+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-open-corporates/open-corporates-mcp#chg-chg_01a0412e-35f6-7d45-bf38-3577d0abc8ae"
    },
    {
      "id": "chg_01a036e1-2484-78cb-9b89-2a3e2e2cb264",
      "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": "2026-08-25",
      "occurred_at": "2026-08-25 03:05:19.631643+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a036e1-2484-78cb-9b89-2a3e2e2cb264"
    },
    {
      "id": "chg_01a036e1-2486-764c-b15d-14a6d1b6418e",
      "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 03:05:19.631643+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a036e1-2486-764c-b15d-14a6d1b6418e"
    },
    {
      "id": "chg_01a031bb-0ed5-7e3b-a1e6-cc814e248aa2",
      "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 03:05:37.679519+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-open-corporates/open-corporates-mcp#chg-chg_01a031bb-0ed5-7e3b-a1e6-cc814e248aa2"
    },
    {
      "id": "chg_01a031bb-0ed6-7a2b-8809-517dbe32982e",
      "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 03:05:37.679519+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-open-corporates/open-corporates-mcp#chg-chg_01a031bb-0ed6-7a2b-8809-517dbe32982e"
    },
    {
      "id": "chg_01a031bb-0ed7-7081-8e4a-d9261129def9",
      "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 03:05:37.679519+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-open-corporates/open-corporates-mcp#chg-chg_01a031bb-0ed7-7081-8e4a-d9261129def9"
    },
    {
      "id": "chg_01a031bb-0ed7-776f-b0c4-233c86672245",
      "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": "2026-08-24",
      "occurred_at": "2026-08-24 03:05:37.679519+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-open-corporates/open-corporates-mcp#chg-chg_01a031bb-0ed7-776f-b0c4-233c86672245"
    },
    {
      "id": "chg_01a031bb-0ed7-7c01-8577-bc10cbb6c909",
      "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": "2026-08-24",
      "occurred_at": "2026-08-24 03:05:37.679519+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-open-corporates/open-corporates-mcp#chg-chg_01a031bb-0ed7-7c01-8577-bc10cbb6c909"
    },
    {
      "id": "chg_01a02c94-bc02-751f-88b3-a2f1ea5fa53d",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 03:05:40.031518+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a02c94-bc02-751f-88b3-a2f1ea5fa53d"
    },
    {
      "id": "chg_01a02c94-bc03-7793-97e6-fdb2fde900c5",
      "kind": "check.appeared",
      "family": "auth-registration",
      "subject_kind": "check",
      "subject": "auth-registration",
      "subject_child": "",
      "from_code": null,
      "to_code": "auth.registration_cimd",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 03:05:40.031518+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "First check of Authorization (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a02c94-bc03-7793-97e6-fdb2fde900c5"
    },
    {
      "id": "chg_01a02c94-bc03-7d08-8772-99519f183932",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 03:05:40.031518+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a02c94-bc03-7d08-8772-99519f183932"
    },
    {
      "id": "chg_01a02c94-bc04-727b-86f0-88afa69e85da",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 03:05:40.031518+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a02c94-bc04-727b-86f0-88afa69e85da"
    },
    {
      "id": "chg_01a02c94-bc04-78e1-98a6-fdc050a30cae",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 03:05:40.031518+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a02c94-bc04-78e1-98a6-fdc050a30cae"
    },
    {
      "id": "chg_01a02c94-bc04-7dcb-8bda-27c13ed1e55f",
      "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": "2026-08-23",
      "occurred_at": "2026-08-23 03:05:40.031518+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a02c94-bc04-7dcb-8bda-27c13ed1e55f"
    },
    {
      "id": "chg_01a02c94-bc05-739b-9210-8f98c0ed98d5",
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      "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": "2026-08-23",
      "occurred_at": "2026-08-23 03:05:40.031518+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a02c94-bc05-739b-9210-8f98c0ed98d5"
    },
    {
      "id": "chg_01a0276e-71cd-7642-8fb7-7b0cf657c43c",
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      "subject_child": "",
      "from_code": "auth.none_destructive_unverified",
      "to_code": "auth.none_destructive",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
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      "occurred_at": "2026-08-22 03:05:44.48696+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a0276e-71cd-7642-8fb7-7b0cf657c43c"
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    {
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 03:05:44.48696+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a0276e-71ce-7314-9736-1d77c1bbe65c"
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    {
      "id": "chg_01a0276e-71ce-786b-8fbe-6a130fc38bc7",
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      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 03:05:44.48696+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a0276e-71ce-786b-8fbe-6a130fc38bc7"
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    {
      "id": "chg_01a0276e-71d0-7a01-8d9c-b521fa073713",
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      "subject_child": "",
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      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 03:05:44.48696+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a0276e-71d0-7a01-8d9c-b521fa073713"
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    {
      "id": "chg_01a0276e-71d1-7191-badd-32f0b520caed",
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      "subject_kind": "tool",
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 03:05:44.48696+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-open-corporates/open-corporates-mcp#chg-chg_01a0276e-71d1-7191-badd-32f0b520caed"
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