{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pipeworx-io-isrctn",
  "component": "isrctn-mcp",
  "generated_at": "2026-10-18T16:00:18.545Z",
  "tracking_since": "2026-10-11",
  "counts": {
    "critical": 1,
    "security": 37,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a14c4f-310b-7317-aa3b-3c051651651a",
      "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": "2026-10-18",
      "occurred_at": "2026-10-18 00:00:19.504533+00",
      "observed_since": "2026-10-17",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14c4f-310b-7317-aa3b-3c051651651a"
    },
    {
      "id": "chg_01a14c4f-312e-71ca-8d1b-968b370ee60c",
      "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": "2026-10-18",
      "occurred_at": "2026-10-18 00:00:19.504533+00",
      "observed_since": "2026-10-17",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14c4f-312e-71ca-8d1b-968b370ee60c"
    },
    {
      "id": "chg_01a14c4f-3143-74cf-af32-f68776a40184",
      "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": "2026-10-18",
      "occurred_at": "2026-10-18 00:00:19.504533+00",
      "observed_since": "2026-10-17",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14c4f-3143-74cf-af32-f68776a40184"
    },
    {
      "id": "chg_01a14c4f-3147-72ae-82c1-9c090e807a4e",
      "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": "2026-10-18",
      "occurred_at": "2026-10-18 00:00:19.504533+00",
      "observed_since": "2026-10-17",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14c4f-3147-72ae-82c1-9c090e807a4e"
    },
    {
      "id": "chg_01a14c4f-3151-7637-8b01-aca959c57f58",
      "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": "2026-10-18",
      "occurred_at": "2026-10-18 00:00:19.504533+00",
      "observed_since": "2026-10-17",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14c4f-3151-7637-8b01-aca959c57f58"
    },
    {
      "id": "chg_01a14728-bf1b-7870-aa77-95f8e11e5f43",
      "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": "2026-10-17",
      "occurred_at": "2026-10-17 00:00:15.001025+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14728-bf1b-7870-aa77-95f8e11e5f43"
    },
    {
      "id": "chg_01a14728-bf1f-7760-b51d-30f46f100899",
      "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": "2026-10-17",
      "occurred_at": "2026-10-17 00:00:15.001025+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14728-bf1f-7760-b51d-30f46f100899"
    },
    {
      "id": "chg_01a14728-bf22-7a5c-b9b3-9e93f2462b70",
      "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": "2026-10-17",
      "occurred_at": "2026-10-17 00:00:15.001025+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14728-bf22-7a5c-b9b3-9e93f2462b70"
    },
    {
      "id": "chg_01a14728-bf25-79c4-b16a-a96d954e0a1c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "company_facts",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "company_facts"
      },
      "occurred_on": "2026-10-17",
      "occurred_at": "2026-10-17 00:00:15.001025+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool “company_facts” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14728-bf25-79c4-b16a-a96d954e0a1c"
    },
    {
      "id": "chg_01a14728-bf2f-7650-9541-36c0f20b2dca",
      "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": "2026-10-17",
      "occurred_at": "2026-10-17 00:00:15.001025+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14728-bf2f-7650-9541-36c0f20b2dca"
    },
    {
      "id": "chg_01a14728-bf30-7526-b016-dfe8e789b873",
      "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": "2026-10-17",
      "occurred_at": "2026-10-17 00:00:15.001025+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "Tool “entity_profile” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14728-bf30-7526-b016-dfe8e789b873"
    },
    {
      "id": "chg_01a14728-bf33-7324-ac19-00bced31425a",
      "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": "2026-10-17",
      "occurred_at": "2026-10-17 00:00:15.001025+00",
      "observed_since": "2026-10-16",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14728-bf33-7324-ac19-00bced31425a"
    },
    {
      "id": "chg_01a14202-bb15-7a03-81d4-212c7948fd7e",
      "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": "2026-10-16",
      "occurred_at": "2026-10-16 00:00:33.245552+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14202-bb15-7a03-81d4-212c7948fd7e"
    },
    {
      "id": "chg_01a14202-bb6f-7d9f-ac35-2378ab865f1b",
      "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": "2026-10-16",
      "occurred_at": "2026-10-16 00:00:33.245552+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14202-bb6f-7d9f-ac35-2378ab865f1b"
    },
    {
      "id": "chg_01a14202-bc9d-7458-a8bd-0c95b137c5fb",
      "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": "2026-10-16",
      "occurred_at": "2026-10-16 00:00:33.245552+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14202-bc9d-7458-a8bd-0c95b137c5fb"
    },
    {
      "id": "chg_01a14202-bca6-71e7-9339-fd4001046d21",
      "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": "2026-10-16",
      "occurred_at": "2026-10-16 00:00:33.245552+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14202-bca6-71e7-9339-fd4001046d21"
    },
    {
      "id": "chg_01a14202-bd0a-7015-b3d1-0c546ea2b8eb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "subscribe",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "subscribe"
      },
      "occurred_on": "2026-10-16",
      "occurred_at": "2026-10-16 00:00:33.245552+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Tool “subscribe” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14202-bd0a-7015-b3d1-0c546ea2b8eb"
    },
    {
      "id": "chg_01a14202-be94-7601-b4bc-390c458b3574",
      "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": "2026-10-16",
      "occurred_at": "2026-10-16 00:00:33.245552+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a14202-be94-7601-b4bc-390c458b3574"
    },
    {
      "id": "chg_01a13cdc-2d7e-7e9d-b1d1-060d5c6b6beb",
      "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": "2026-10-15",
      "occurred_at": "2026-10-15 00:00:21.848765+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a13cdc-2d7e-7e9d-b1d1-060d5c6b6beb"
    },
    {
      "id": "chg_01a13cdc-2ddc-72a1-a650-7513c8c064b6",
      "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": "2026-10-15",
      "occurred_at": "2026-10-15 00:00:21.848765+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a13cdc-2ddc-72a1-a650-7513c8c064b6"
    },
    {
      "id": "chg_01a13cdc-2e35-7b05-8060-3b0577303256",
      "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": "2026-10-15",
      "occurred_at": "2026-10-15 00:00:21.848765+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a13cdc-2e35-7b05-8060-3b0577303256"
    },
    {
      "id": "chg_01a13cdc-2e91-7513-bd6c-d7c2a2d3d3c1",
      "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": "2026-10-15",
      "occurred_at": "2026-10-15 00:00:21.848765+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a13cdc-2e91-7513-bd6c-d7c2a2d3d3c1"
    },
    {
      "id": "chg_01a13cdc-2eab-76b9-8519-b8f2b3575e45",
      "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": "2026-10-15",
      "occurred_at": "2026-10-15 00:00:21.848765+00",
      "observed_since": "2026-10-14",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a13cdc-2eab-76b9-8519-b8f2b3575e45"
    },
    {
      "id": "chg_01a137b5-f631-7713-88dc-800d69eff41f",
      "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": "2026-10-14",
      "occurred_at": "2026-10-14 00:00:30.451295+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a137b5-f631-7713-88dc-800d69eff41f"
    },
    {
      "id": "chg_01a137b5-f689-7994-a912-6add2ca1a377",
      "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": "2026-10-14",
      "occurred_at": "2026-10-14 00:00:30.451295+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a137b5-f689-7994-a912-6add2ca1a377"
    },
    {
      "id": "chg_01a137b5-f68d-7499-943d-6cdf32b4c718",
      "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": "2026-10-14",
      "occurred_at": "2026-10-14 00:00:30.451295+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a137b5-f68d-7499-943d-6cdf32b4c718"
    },
    {
      "id": "chg_01a137b5-f691-7206-94e8-91cfa5be0305",
      "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": "2026-10-14",
      "occurred_at": "2026-10-14 00:00:30.451295+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a137b5-f691-7206-94e8-91cfa5be0305"
    },
    {
      "id": "chg_01a137b5-f69a-720a-aa49-4f4105f59d9f",
      "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": "2026-10-14",
      "occurred_at": "2026-10-14 00:00:30.451295+00",
      "observed_since": "2026-10-13",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a137b5-f69a-720a-aa49-4f4105f59d9f"
    },
    {
      "id": "chg_01a1328f-8c20-7271-ac20-6c587578ff18",
      "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": "2026-10-13",
      "occurred_at": "2026-10-13 00:00:30.662572+00",
      "observed_since": "2026-10-11",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a1328f-8c20-7271-ac20-6c587578ff18"
    },
    {
      "id": "chg_01a1328f-8c21-7ed9-ae47-b1750630be96",
      "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": "2026-10-13",
      "occurred_at": "2026-10-13 00:00:30.662572+00",
      "observed_since": "2026-10-11",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a1328f-8c21-7ed9-ae47-b1750630be96"
    },
    {
      "id": "chg_01a1328f-8c24-77ad-8adc-2abcb60825e3",
      "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": "2026-10-13",
      "occurred_at": "2026-10-13 00:00:30.662572+00",
      "observed_since": "2026-10-11",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a1328f-8c24-77ad-8adc-2abcb60825e3"
    },
    {
      "id": "chg_01a1328f-8c24-7e47-911f-a97610e95d6d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "company_facts",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "company_facts"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 00:00:30.662572+00",
      "observed_since": "2026-10-11",
      "source": "scan",
      "summary": "Tool “company_facts” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a1328f-8c24-7e47-911f-a97610e95d6d"
    },
    {
      "id": "chg_01a1328f-8c25-766f-b00c-ef805deb6b03",
      "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": "2026-10-13",
      "occurred_at": "2026-10-13 00:00:30.662572+00",
      "observed_since": "2026-10-11",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a1328f-8c25-766f-b00c-ef805deb6b03"
    },
    {
      "id": "chg_01a1328f-8c26-71d3-b28e-06c8bf545f8e",
      "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": "2026-10-13",
      "occurred_at": "2026-10-13 00:00:30.662572+00",
      "observed_since": "2026-10-11",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a1328f-8c26-71d3-b28e-06c8bf545f8e"
    },
    {
      "id": "chg_01a1328f-8c14-7b52-8ffa-70431b96a92f",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_destructive",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-10-13",
      "occurred_at": "2026-10-13 00:00:30.662572+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a1328f-8c14-7b52-8ffa-70431b96a92f"
    },
    {
      "id": "chg_01a1328f-8c1b-7393-beed-7f2a7bc0da49",
      "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": "2026-10-13",
      "occurred_at": "2026-10-13 00:00:30.662572+00",
      "observed_since": "2026-10-12",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a1328f-8c1b-7393-beed-7f2a7bc0da49"
    },
    {
      "id": "chg_01a12e79-d299-7a43-8897-b9bafe0b5bbb",
      "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": "2026-10-12",
      "occurred_at": "2026-10-12 04:58:17.945865+00",
      "observed_since": "2026-10-11",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a12e79-d299-7a43-8897-b9bafe0b5bbb"
    },
    {
      "id": "chg_01a12e79-d29b-72b1-8d20-47969f5006b7",
      "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": "2026-10-12",
      "occurred_at": "2026-10-12 04:58:17.945865+00",
      "observed_since": "2026-10-11",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-isrctn/isrctn-mcp#chg-chg_01a12e79-d29b-72b1-8d20-47969f5006b7"
    }
  ],
  "days": [
    {
      "date": "2026-10-18",
      "total": 62,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-10-17",
      "total": 62,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-10-16",
      "total": 61,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
    },
    {
      "date": "2026-10-15",
      "total": 61,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 11
    },
    {
      "date": "2026-10-14",
      "total": 60,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-10-13",
      "total": 60,
      "delta": 30,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 13
    },
    {
      "date": "2026-10-12",
      "total": 30,
      "delta": -29,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-10-11",
      "total": 59,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 0
    }
  ]
}