{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pipeworx-io-h1b",
  "component": "h1b-mcp",
  "generated_at": "2026-09-21T06:34:41.623Z",
  "tracking_since": "2026-07-26",
  "counts": {
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    "security": 95,
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  },
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    {
      "id": "chg_01a09a04-1ef7-7bf6-8061-277d8e4e6a79",
      "kind": "check.verdict",
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      "subject_kind": "check",
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      "occurred_at": "2026-09-13 09:05:56.155539+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a09a04-1ef7-7bf6-8061-277d8e4e6a79"
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    {
      "id": "chg_01a09a04-1ef8-7d64-bf85-4d84765b43da",
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      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 09:05:56.155539+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a09a04-1ef8-7d64-bf85-4d84765b43da"
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    {
      "id": "chg_01a09a04-1ef9-739d-a7d9-d77eaa8f0dee",
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      "from_value": "pass",
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      "occurred_at": "2026-09-13 09:05:56.155539+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a09a04-1ef9-739d-a7d9-d77eaa8f0dee"
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    {
      "id": "chg_01a08fb6-5c5d-7d0c-b8a3-2849ca31cbb7",
      "kind": "check.verdict",
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      "subject_kind": "check",
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      "from_code": "auth.rfc9728_invoke",
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        "tool": "forget"
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      "occurred_at": "2026-09-11 09:04:47.786636+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a08fb6-5c5d-7d0c-b8a3-2849ca31cbb7"
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    {
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      "materiality": "security",
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      "occurred_at": "2026-09-11 09:04:47.786636+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-h1b/h1b-mcp#chg-chg_01a08fb6-5c60-7e6a-994f-c73df399df6e"
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    {
      "id": "chg_01a08fb6-5c62-7f00-8d78-bed1b88203a4",
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        "tool": "ask_pipeworx_beta"
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      "occurred_at": "2026-09-11 09:04:47.786636+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-h1b/h1b-mcp#chg-chg_01a08fb6-5c62-7f00-8d78-bed1b88203a4"
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    {
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      "from_code": null,
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 09:04:47.786636+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-h1b/h1b-mcp#chg-chg_01a08fb6-5c65-79b1-96e1-8b6cfa266e7f"
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    {
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      "materiality": "security",
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      "detail": {
        "tool": "deep_research"
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      "occurred_at": "2026-09-11 09:04:47.786636+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-h1b/h1b-mcp#chg-chg_01a08fb6-5c67-78ba-be03-a68979a301dc"
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    {
      "id": "chg_01a08fb6-5c67-7d7d-95e1-11db41bbe473",
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      "subject_kind": "server",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-11",
      "occurred_at": "2026-09-11 09:04:47.786636+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-h1b/h1b-mcp#chg-chg_01a08fb6-5c67-7d7d-95e1-11db41bbe473"
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    {
      "id": "chg_01a08a91-58fe-7928-8599-ea5afe4a6c49",
      "kind": "check.reverified",
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      "subject_kind": "check",
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      "from_code": "auth.none_unlisted",
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      "materiality": "security",
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      "occurred_at": "2026-09-10 09:06:16.169239+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a08a91-58fe-7928-8599-ea5afe4a6c49"
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    {
      "id": "chg_01a08a91-58ff-7bcb-bbac-9a57b18df3ec",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
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      "from_code": "toolsafety.unreachable",
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      "from_value": "unverified",
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      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 09:06:16.169239+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a08a91-58ff-7bcb-bbac-9a57b18df3ec"
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    {
      "id": "chg_01a08a91-5900-7367-9e84-138710755b05",
      "kind": "check.verdict",
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      "from_code": "stability.churn",
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      "from_value": "fail",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 09:06:16.169239+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a08a91-5900-7367-9e84-138710755b05"
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    {
      "id": "chg_01a08569-1429-748c-ac7b-44cba8feed7f",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
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      "from_code": "stability.stable",
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      "from_value": "pass",
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      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "30",
        "added": "0",
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        "removed": "34",
        "auth_transport": "0"
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      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 09:04:11.188895+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a08569-1429-748c-ac7b-44cba8feed7f"
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    {
      "id": "chg_01a08569-142a-7d75-b6ee-e1ff2a65ad6b",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
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      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
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      "detail": {},
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      "occurred_at": "2026-09-09 09:04:11.188895+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a08569-142a-7d75-b6ee-e1ff2a65ad6b"
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    {
      "id": "chg_01a08569-142b-784f-bd8a-ea9e63cf8cc5",
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      "subject_kind": "check",
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      "from_code": "toolsafety.injection_clean",
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      "from_value": "pass",
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      "detail": {},
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      "occurred_at": "2026-09-09 09:04:11.188895+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a08569-142b-784f-bd8a-ea9e63cf8cc5"
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    {
      "id": "chg_01a08043-5bf6-7c17-b1d6-d929f04c118e",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
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      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 09:04:52.870934+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a08043-5bf6-7c17-b1d6-d929f04c118e"
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    {
      "id": "chg_01a08043-5bfa-788f-b2b0-1fc0454514c3",
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      "materiality": "security",
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      "score_delta": null,
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      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 09:04:52.870934+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a08043-5bfa-788f-b2b0-1fc0454514c3"
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    {
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      "from_value": null,
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 09:04:52.870934+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a08043-5bfa-7e6e-825b-71d61acf97b0"
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    {
      "id": "chg_01a08043-5bfb-7422-a318-82ebd8f6f52d",
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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": "2026-09-08",
      "occurred_at": "2026-09-08 09:04:52.870934+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a08043-5bfb-7422-a318-82ebd8f6f52d"
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    {
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      "subject_kind": "server",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 09:04:52.870934+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a08043-5bff-7b5f-91fd-67d5a838cfab"
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    {
      "id": "chg_01a07b1c-83d5-7352-be28-d29a083b3dbb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 09:04:21.145122+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a07b1c-83d5-7352-be28-d29a083b3dbb"
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    {
      "id": "chg_01a07b1c-83d6-7df8-84e3-22065c36a47b",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
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      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 09:04:21.145122+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a07b1c-83d6-7df8-84e3-22065c36a47b"
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    {
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      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {
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      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 09:04:21.145122+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a07b1c-83d8-722b-98f8-c28b746e2816"
    },
    {
      "id": "chg_01a07b1c-83d9-7b10-b1d3-ab90ccac86cb",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 09:04:21.145122+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a07b1c-83d9-7b10-b1d3-ab90ccac86cb"
    },
    {
      "id": "chg_01a07b1c-83db-76a6-b666-9988efc74357",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 09:04:21.145122+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a07b1c-83db-76a6-b666-9988efc74357"
    },
    {
      "id": "chg_01a075f5-91ef-73b6-ab86-f61a09f0d8e6",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 09:03:43.021765+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a075f5-91ef-73b6-ab86-f61a09f0d8e6"
    },
    {
      "id": "chg_01a075f5-91f0-754f-be74-fd3089c9ccfc",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 09:03:43.021765+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a075f5-91f0-754f-be74-fd3089c9ccfc"
    },
    {
      "id": "chg_01a075f5-91f0-7b66-a147-26410f835653",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 09:03:43.021765+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a075f5-91f0-7b66-a147-26410f835653"
    },
    {
      "id": "chg_01a075f5-91f1-7152-bbb0-0ccf218b4064",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 09:03:43.021765+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a075f5-91f1-7152-bbb0-0ccf218b4064"
    },
    {
      "id": "chg_01a075f5-91f1-762c-9036-2ecb1c8eb5c5",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 09:03:43.021765+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a075f5-91f1-762c-9036-2ecb1c8eb5c5"
    },
    {
      "id": "chg_01a070cf-0387-715f-96aa-487e031dbe95",
      "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 09:03:29.909951+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-h1b/h1b-mcp#chg-chg_01a070cf-0387-715f-96aa-487e031dbe95"
    },
    {
      "id": "chg_01a070cf-0389-7267-bfa7-86857fcfbfe8",
      "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 09:03:29.909951+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-h1b/h1b-mcp#chg-chg_01a070cf-0389-7267-bfa7-86857fcfbfe8"
    },
    {
      "id": "chg_01a070cf-0389-7881-9481-83458acbed42",
      "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 09:03:29.909951+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-h1b/h1b-mcp#chg-chg_01a070cf-0389-7881-9481-83458acbed42"
    },
    {
      "id": "chg_01a070cf-0389-7dbe-86ab-246553c5d15a",
      "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 09:03:29.909951+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-h1b/h1b-mcp#chg-chg_01a070cf-0389-7dbe-86ab-246553c5d15a"
    },
    {
      "id": "chg_01a070cf-038a-78f3-b73a-915d2d348c93",
      "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 09:03:29.909951+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-h1b/h1b-mcp#chg-chg_01a070cf-038a-78f3-b73a-915d2d348c93"
    },
    {
      "id": "chg_01a06ba8-7075-739f-82f0-c233dd3208e1",
      "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 09:03:15.797803+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-h1b/h1b-mcp#chg-chg_01a06ba8-7075-739f-82f0-c233dd3208e1"
    },
    {
      "id": "chg_01a06ba8-7076-73a0-8a1f-94b0594625e7",
      "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 09:03:15.797803+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-h1b/h1b-mcp#chg-chg_01a06ba8-7076-73a0-8a1f-94b0594625e7"
    },
    {
      "id": "chg_01a06ba8-7076-797b-8f3c-2a493cf4d225",
      "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 09:03:15.797803+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-h1b/h1b-mcp#chg-chg_01a06ba8-7076-797b-8f3c-2a493cf4d225"
    },
    {
      "id": "chg_01a06ba8-7076-7ece-84db-64c9c7e0a402",
      "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 09:03:15.797803+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-h1b/h1b-mcp#chg-chg_01a06ba8-7076-7ece-84db-64c9c7e0a402"
    },
    {
      "id": "chg_01a06ba8-7077-7584-81bd-c263f5b5fc64",
      "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 09:03:15.797803+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-h1b/h1b-mcp#chg-chg_01a06ba8-7077-7584-81bd-c263f5b5fc64"
    },
    {
      "id": "chg_01a06ba8-707a-7581-bd96-170cacc37572",
      "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 09:03:15.797803+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-h1b/h1b-mcp#chg-chg_01a06ba8-707a-7581-bd96-170cacc37572"
    },
    {
      "id": "chg_01a06681-bc29-71ec-a2fb-4d4ace0df2c0",
      "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 09:02:53.375774+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-h1b/h1b-mcp#chg-chg_01a06681-bc29-71ec-a2fb-4d4ace0df2c0"
    },
    {
      "id": "chg_01a06681-bc29-7f03-b28a-9d180ae33e04",
      "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 09:02:53.375774+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-h1b/h1b-mcp#chg-chg_01a06681-bc29-7f03-b28a-9d180ae33e04"
    },
    {
      "id": "chg_01a06681-bc2a-7496-89bc-fdc02eb0166f",
      "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 09:02:53.375774+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-h1b/h1b-mcp#chg-chg_01a06681-bc2a-7496-89bc-fdc02eb0166f"
    },
    {
      "id": "chg_01a06681-bc2a-7845-88b4-0059a2914d19",
      "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 09:02:53.375774+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-h1b/h1b-mcp#chg-chg_01a06681-bc2a-7845-88b4-0059a2914d19"
    },
    {
      "id": "chg_01a06681-bc2a-7c1e-81ad-1efe3f167919",
      "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 09:02:53.375774+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-h1b/h1b-mcp#chg-chg_01a06681-bc2a-7c1e-81ad-1efe3f167919"
    },
    {
      "id": "chg_01a06681-bc2b-7193-9944-b0ec6c6d5f6b",
      "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 09:02:53.375774+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-h1b/h1b-mcp#chg-chg_01a06681-bc2b-7193-9944-b0ec6c6d5f6b"
    },
    {
      "id": "chg_01a0615b-92c5-7a0e-b22e-bbeca55ec362",
      "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 09:03:06.191505+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-h1b/h1b-mcp#chg-chg_01a0615b-92c5-7a0e-b22e-bbeca55ec362"
    },
    {
      "id": "chg_01a0615b-92c6-7ccf-a793-983829e771da",
      "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 09:03:06.191505+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-h1b/h1b-mcp#chg-chg_01a0615b-92c6-7ccf-a793-983829e771da"
    },
    {
      "id": "chg_01a0615b-92c7-7388-a3a0-038e961c8d24",
      "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 09:03:06.191505+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-h1b/h1b-mcp#chg-chg_01a0615b-92c7-7388-a3a0-038e961c8d24"
    },
    {
      "id": "chg_01a0615b-92c8-738c-9ab0-47f1c76d259f",
      "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 09:03:06.191505+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-h1b/h1b-mcp#chg-chg_01a0615b-92c8-738c-9ab0-47f1c76d259f"
    },
    {
      "id": "chg_01a0615b-92c8-799f-992a-ea9b9b239cbd",
      "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 09:03:06.191505+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-h1b/h1b-mcp#chg-chg_01a0615b-92c8-799f-992a-ea9b9b239cbd"
    },
    {
      "id": "chg_01a0615b-92c9-75d1-9961-a240a43d5484",
      "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 09:03:06.191505+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-h1b/h1b-mcp#chg-chg_01a0615b-92c9-75d1-9961-a240a43d5484"
    },
    {
      "id": "chg_01a05c35-36bb-78e4-9f6c-a6a8000e7926",
      "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 09:03:06.397506+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-h1b/h1b-mcp#chg-chg_01a05c35-36bb-78e4-9f6c-a6a8000e7926"
    },
    {
      "id": "chg_01a05c35-36bc-77e9-b08f-97b184ce3f25",
      "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 09:03:06.397506+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-h1b/h1b-mcp#chg-chg_01a05c35-36bc-77e9-b08f-97b184ce3f25"
    },
    {
      "id": "chg_01a05c35-36bc-7d8c-82e7-90983a9ef0f7",
      "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 09:03:06.397506+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-h1b/h1b-mcp#chg-chg_01a05c35-36bc-7d8c-82e7-90983a9ef0f7"
    },
    {
      "id": "chg_01a05c35-36bd-74a8-a973-0734dc502a7c",
      "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 09:03:06.397506+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-h1b/h1b-mcp#chg-chg_01a05c35-36bd-74a8-a973-0734dc502a7c"
    },
    {
      "id": "chg_01a05c35-36bd-79c3-b3ba-0fc791735f2f",
      "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 09:03:06.397506+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-h1b/h1b-mcp#chg-chg_01a05c35-36bd-79c3-b3ba-0fc791735f2f"
    },
    {
      "id": "chg_01a0570e-bd9c-7b21-849a-5d1fb6a5a2a6",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 09:02:58.563492+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a0570e-bd9c-7b21-849a-5d1fb6a5a2a6"
    },
    {
      "id": "chg_01a0570e-bd9e-7bdd-8d96-07c77da6f331",
      "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 09:02:58.563492+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-h1b/h1b-mcp#chg-chg_01a0570e-bd9e-7bdd-8d96-07c77da6f331"
    },
    {
      "id": "chg_01a0570e-bd9f-7acc-a2bb-8ceae71eb903",
      "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 09:02:58.563492+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-h1b/h1b-mcp#chg-chg_01a0570e-bd9f-7acc-a2bb-8ceae71eb903"
    },
    {
      "id": "chg_01a0570e-bda0-70f2-a5a0-9e9877839bc2",
      "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 09:02:58.563492+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-h1b/h1b-mcp#chg-chg_01a0570e-bda0-70f2-a5a0-9e9877839bc2"
    },
    {
      "id": "chg_01a0570e-bda0-7aad-82dc-85a029ce0acd",
      "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 09:02:58.563492+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-h1b/h1b-mcp#chg-chg_01a0570e-bda0-7aad-82dc-85a029ce0acd"
    },
    {
      "id": "chg_01a0570e-bda2-75df-9276-4ff1381d9547",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 09:02:58.563492+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a0570e-bda2-75df-9276-4ff1381d9547"
    },
    {
      "id": "chg_01a0570e-bda2-7e27-b130-c69149aed22f",
      "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 09:02:58.563492+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-h1b/h1b-mcp#chg-chg_01a0570e-bda2-7e27-b130-c69149aed22f"
    },
    {
      "id": "chg_01a04cc1-d4cf-7e62-9635-86046652b15b",
      "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 09:02:46.409694+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-h1b/h1b-mcp#chg-chg_01a04cc1-d4cf-7e62-9635-86046652b15b"
    },
    {
      "id": "chg_01a04cc1-d4d0-7a66-aa7b-e2a6dea377c6",
      "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 09:02:46.409694+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-h1b/h1b-mcp#chg-chg_01a04cc1-d4d0-7a66-aa7b-e2a6dea377c6"
    },
    {
      "id": "chg_01a04cc1-d4d0-7f1f-a0ea-6fa8821880f8",
      "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 09:02:46.409694+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-h1b/h1b-mcp#chg-chg_01a04cc1-d4d0-7f1f-a0ea-6fa8821880f8"
    },
    {
      "id": "chg_01a04cc1-d4d1-74e1-9a71-fc4919c591cd",
      "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 09:02:46.409694+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-h1b/h1b-mcp#chg-chg_01a04cc1-d4d1-74e1-9a71-fc4919c591cd"
    },
    {
      "id": "chg_01a04cc1-d4d1-7951-95d5-9fcadc3c2447",
      "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 09:02:46.409694+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-h1b/h1b-mcp#chg-chg_01a04cc1-d4d1-7951-95d5-9fcadc3c2447"
    },
    {
      "id": "chg_01a0479b-8049-7d3e-9f19-ce66b07f3e67",
      "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": "2026-08-28",
      "occurred_at": "2026-08-28 09:02:47.963056+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a0479b-8049-7d3e-9f19-ce66b07f3e67"
    },
    {
      "id": "chg_01a04274-daf6-7dd0-bf4d-cbe2b5fbe850",
      "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": "2026-08-27",
      "occurred_at": "2026-08-27 09:02:29.587553+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a04274-daf6-7dd0-bf4d-cbe2b5fbe850"
    },
    {
      "id": "chg_01a04274-daf8-74de-9c01-ff6555f9912b",
      "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 09:02:29.587553+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-h1b/h1b-mcp#chg-chg_01a04274-daf8-74de-9c01-ff6555f9912b"
    },
    {
      "id": "chg_01a04274-daf8-7988-a5ad-327d9f942dd6",
      "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 09:02:29.587553+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-h1b/h1b-mcp#chg-chg_01a04274-daf8-7988-a5ad-327d9f942dd6"
    },
    {
      "id": "chg_01a04274-daf8-7e21-83b0-ee6ddf0658ae",
      "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 09:02:29.587553+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-h1b/h1b-mcp#chg-chg_01a04274-daf8-7e21-83b0-ee6ddf0658ae"
    },
    {
      "id": "chg_01a04274-daf9-74f8-b05d-dcaa366e6fb8",
      "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 09:02:29.587553+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-h1b/h1b-mcp#chg-chg_01a04274-daf9-74f8-b05d-dcaa366e6fb8"
    },
    {
      "id": "chg_01a04274-daf9-7da6-b7c3-5b7a1cda06b6",
      "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 09:02:29.587553+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-h1b/h1b-mcp#chg-chg_01a04274-daf9-7da6-b7c3-5b7a1cda06b6"
    },
    {
      "id": "chg_01a03828-4eeb-71e5-a6e4-f4ef1f7e3744",
      "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 09:02:40.729084+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a03828-4eeb-71e5-a6e4-f4ef1f7e3744"
    },
    {
      "id": "chg_01a03302-19d6-7bbc-9ee9-55fc1322edca",
      "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": "2026-08-24",
      "occurred_at": "2026-08-24 09:02:50.656081+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a03302-19d6-7bbc-9ee9-55fc1322edca"
    },
    {
      "id": "chg_01a02ddb-f66b-79c9-a391-c3f83104f0b7",
      "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 09:03:05.115588+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a02ddb-f66b-79c9-a391-c3f83104f0b7"
    },
    {
      "id": "chg_01a02ddb-f66c-7d4e-9714-33a2eeddfcb0",
      "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 09:03:05.115588+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "First check of Authorization (pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a02ddb-f66c-7d4e-9714-33a2eeddfcb0"
    },
    {
      "id": "chg_01a02ddb-f66d-7a20-a747-f89334ebb0b2",
      "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 09:03:05.115588+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-h1b/h1b-mcp#chg-chg_01a02ddb-f66d-7a20-a747-f89334ebb0b2"
    },
    {
      "id": "chg_01a02ddb-f670-7721-ba43-46e0f9cc8ce4",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 09:03:05.115588+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-h1b/h1b-mcp#chg-chg_01a02ddb-f670-7721-ba43-46e0f9cc8ce4"
    },
    {
      "id": "chg_01a02ddb-f670-7dc7-9f74-eb473e7fce56",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
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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": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 09:03:05.115588+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-h1b/h1b-mcp#chg-chg_01a02ddb-f670-7dc7-9f74-eb473e7fce56"
    },
    {
      "id": "chg_01a02ddb-f672-774e-badd-5e23cf25ad26",
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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": "deep_research"
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      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 09:03:05.115588+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-h1b/h1b-mcp#chg-chg_01a02ddb-f672-774e-badd-5e23cf25ad26"
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    {
      "id": "chg_01a02ddb-f673-70fa-8bbb-8300c8e66c80",
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      "family": "",
      "subject_kind": "server",
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      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 09:03:05.115588+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-h1b/h1b-mcp#chg-chg_01a02ddb-f673-70fa-8bbb-8300c8e66c80"
    },
    {
      "id": "chg_01a028b5-a76a-7a6d-8bda-251dd7175b64",
      "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"
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      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 09:03:08.599588+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-h1b/h1b-mcp#chg-chg_01a028b5-a76a-7a6d-8bda-251dd7175b64"
    },
    {
      "id": "chg_01a028b5-a76b-7a39-8247-c33f98197765",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 09:03:08.599588+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-h1b/h1b-mcp#chg-chg_01a028b5-a76b-7a39-8247-c33f98197765"
    },
    {
      "id": "chg_01a028b5-a76b-7f15-a015-d30151b1bfc3",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 09:03:08.599588+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-h1b/h1b-mcp#chg-chg_01a028b5-a76b-7f15-a015-d30151b1bfc3"
    },
    {
      "id": "chg_01a028b5-a76c-74c0-b36d-36c606109db7",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 09:03:08.599588+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-h1b/h1b-mcp#chg-chg_01a028b5-a76c-74c0-b36d-36c606109db7"
    },
    {
      "id": "chg_01a028b5-a76c-78b5-8001-9435c8285c64",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 09:03:08.599588+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a028b5-a76c-78b5-8001-9435c8285c64"
    },
    {
      "id": "chg_01a0238f-1f5d-7477-9b71-ec3283d0f239",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive_unverified",
      "to_code": "auth.none_destructive",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 09:02:57.168819+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a0238f-1f5d-7477-9b71-ec3283d0f239"
    },
    {
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      "materiality": "security",
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      "detail": {
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      "occurred_at": "2026-08-21 09:02:57.168819+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a0238f-1f5e-75f7-9e7f-801d77300e0c"
    },
    {
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 09:02:57.168819+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a0238f-1f5e-7bc4-bfd5-4d2b3c714fd3"
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    {
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      "materiality": "security",
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        "tool": "ask_pipeworx_grounded"
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      "occurred_at": "2026-08-21 09:02:57.168819+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a0238f-1f5f-7136-b927-06c9c1d06d3e"
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    {
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {
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      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a0238f-1f5f-7753-9c12-75b09727fa7a"
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    {
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      "materiality": "security",
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      "occurred_at": "2026-08-21 09:02:57.168819+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a0238f-1f5f-7bac-90be-90ac18016e1c"
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      "observed_since": "2026-08-19",
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      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
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      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-h1b/h1b-mcp#chg-chg_01a01e68-bf52-7cc2-aae7-991ce6b665cb"
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