{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pipeworx-io-xkcd",
  "component": "xkcd-mcp",
  "generated_at": "2026-09-21T14:18:46.722Z",
  "tracking_since": "2026-07-26",
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    {
      "id": "chg_01a0a273-9452-77cc-b722-8de986ca346e",
      "kind": "check.verdict",
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      "subject_child": "",
      "from_code": "stability.stable",
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      "observed_since": "2026-09-14",
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      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a0a273-9452-77cc-b722-8de986ca346e"
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    {
      "id": "chg_01a0a273-9453-7aa0-b538-c5681fabca62",
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      "from_value": "fail",
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      "occurred_on": "2026-09-15",
      "occurred_at": "2026-09-15 00:24:38.661047+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a0a273-9453-7aa0-b538-c5681fabca62"
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    {
      "id": "chg_01a0a273-9453-7f20-a03f-a7f958d5ac04",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
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      "from_code": "toolsafety.injection_clean",
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      "from_value": "pass",
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      "occurred_at": "2026-09-15 00:24:38.661047+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a0a273-9453-7f20-a03f-a7f958d5ac04"
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    {
      "id": "chg_01a09d3f-666f-77e5-a7c4-52dc3d2212ee",
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      "materiality": "security",
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      "occurred_at": "2026-09-14 00:09:32.975391+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a09d3f-666f-77e5-a7c4-52dc3d2212ee"
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    {
      "id": "chg_01a09d3f-6670-7a75-8d12-b69aad638644",
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      "materiality": "security",
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      "occurred_at": "2026-09-14 00:09:32.975391+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a09d3f-6670-7a75-8d12-b69aad638644"
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    {
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      "materiality": "security",
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      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:09:32.975391+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a09d3f-6670-7ee7-b629-458841ee5442"
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    {
      "id": "chg_01a09d3f-6671-7519-b43d-8972f1088940",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "materiality": "security",
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      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:09:32.975391+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a09d3f-6671-7519-b43d-8972f1088940"
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    {
      "id": "chg_01a09d3f-6671-78ea-b100-ac5578461bf5",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "polymarket_arbitrage",
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "polymarket_arbitrage"
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      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:09:32.975391+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool “polymarket_arbitrage” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a09d3f-6671-78ea-b100-ac5578461bf5"
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    {
      "id": "chg_01a09d3f-6671-7d21-921b-af4b34ed0992",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_kalshi_spread"
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      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:09:32.975391+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a09d3f-6671-7d21-921b-af4b34ed0992"
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    {
      "id": "chg_01a09d3f-6673-7825-b94e-3aa28968d639",
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      "subject_kind": "server",
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      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:09:32.975391+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a09d3f-6673-7825-b94e-3aa28968d639"
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    {
      "id": "chg_01a0981e-2f6d-7b95-8aac-ae57e81a2ad5",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
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      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
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      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 00:15:10.128738+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a0981e-2f6d-7b95-8aac-ae57e81a2ad5"
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    {
      "id": "chg_01a0981e-2f6f-74a2-bf3b-5224120b9726",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 00:15:10.128738+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a0981e-2f6f-74a2-bf3b-5224120b9726"
    },
    {
      "id": "chg_01a0981e-2f6f-7a4c-80be-a5cfbb4f6399",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 00:15:10.128738+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a0981e-2f6f-7a4c-80be-a5cfbb4f6399"
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    {
      "id": "chg_01a0981e-2f70-7006-b302-b886d4582a45",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 00:15:10.128738+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a0981e-2f70-7006-b302-b886d4582a45"
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    {
      "id": "chg_01a0981e-2f70-7580-8107-c3fbdc37339e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
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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": "2026-09-13",
      "occurred_at": "2026-09-13 00:15:10.128738+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a0981e-2f70-7580-8107-c3fbdc37339e"
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    {
      "id": "chg_01a0981e-2f70-7aa7-98e8-6ebccc1d239b",
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      "family": "",
      "subject_kind": "server",
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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": {},
      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 00:15:10.128738+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a0981e-2f70-7aa7-98e8-6ebccc1d239b"
    },
    {
      "id": "chg_01a092fa-279e-7076-a8b5-2ba24bf777ca",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 00:17:42.76734+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a092fa-279e-7076-a8b5-2ba24bf777ca"
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    {
      "id": "chg_01a092fa-279f-7e98-bcaf-4390b0b71c34",
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      "subject_kind": "tool",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 00:17:42.76734+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a092fa-279f-7e98-bcaf-4390b0b71c34"
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    {
      "id": "chg_01a092fa-27a0-74e9-9318-8de61b18d765",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 00:17:42.76734+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a092fa-27a0-74e9-9318-8de61b18d765"
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    {
      "id": "chg_01a092fa-27a0-7e50-bd40-70c42872b6dc",
      "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"
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      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 00:17:42.76734+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a092fa-27a0-7e50-bd40-70c42872b6dc"
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    {
      "id": "chg_01a092fa-27a1-7360-9f7f-5db442fe6718",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "bet_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "bet_research"
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      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 00:17:42.76734+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “bet_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a092fa-27a1-7360-9f7f-5db442fe6718"
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    {
      "id": "chg_01a092fa-27a2-7373-a107-0ed313c6abfa",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "deep_research",
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      "from_code": null,
      "to_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
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      "detail": {
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      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 00:17:42.76734+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a092fa-27a2-7373-a107-0ed313c6abfa"
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    {
      "id": "chg_01a092fa-27a2-7814-9e2a-5c29e3c6840a",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_kalshi_spread"
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      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 00:17:42.76734+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a092fa-27a2-7814-9e2a-5c29e3c6840a"
    },
    {
      "id": "chg_01a092fa-27a3-7297-8192-79a9f18995da",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 00:17:42.76734+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a092fa-27a3-7297-8192-79a9f18995da"
    },
    {
      "id": "chg_01a08dd5-4ac1-7500-8084-c488de315249",
      "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": "2026-09-11",
      "occurred_at": "2026-09-11 00:19:20.825472+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-xkcd/xkcd-mcp#chg-chg_01a08dd5-4ac1-7500-8084-c488de315249"
    },
    {
      "id": "chg_01a08dd5-4ac2-7722-8700-f58123cbf85a",
      "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": "2026-09-11",
      "occurred_at": "2026-09-11 00:19:20.825472+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-xkcd/xkcd-mcp#chg-chg_01a08dd5-4ac2-7722-8700-f58123cbf85a"
    },
    {
      "id": "chg_01a08dd5-4ac3-7c48-952a-f2baa23d99f4",
      "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": "2026-09-11",
      "occurred_at": "2026-09-11 00:19:20.825472+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-xkcd/xkcd-mcp#chg-chg_01a08dd5-4ac3-7c48-952a-f2baa23d99f4"
    },
    {
      "id": "chg_01a08dd5-4ac4-70e5-acda-11c2605669f1",
      "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": "2026-09-11",
      "occurred_at": "2026-09-11 00:19:20.825472+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-xkcd/xkcd-mcp#chg-chg_01a08dd5-4ac4-70e5-acda-11c2605669f1"
    },
    {
      "id": "chg_01a08dd5-4ac4-7537-8d27-28f216ee1aba",
      "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": "2026-09-11",
      "occurred_at": "2026-09-11 00:19:20.825472+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-xkcd/xkcd-mcp#chg-chg_01a08dd5-4ac4-7537-8d27-28f216ee1aba"
    },
    {
      "id": "chg_01a088a2-0b66-7518-ba15-699f3caba1bc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 00:05:16.198159+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a088a2-0b66-7518-ba15-699f3caba1bc"
    },
    {
      "id": "chg_01a088a2-0b67-7654-9ebc-5350ca0457ca",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 00:05:16.198159+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a088a2-0b67-7654-9ebc-5350ca0457ca"
    },
    {
      "id": "chg_01a088a2-0b67-7cff-a052-6194fec6261b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 00:05:16.198159+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a088a2-0b67-7cff-a052-6194fec6261b"
    },
    {
      "id": "chg_01a088a2-0b68-757e-8225-ae401eb65e89",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 00:05:16.198159+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a088a2-0b68-757e-8225-ae401eb65e89"
    },
    {
      "id": "chg_01a088a2-0b68-7dc5-8e8c-26c98a4cffde",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 00:05:16.198159+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a088a2-0b68-7dc5-8e8c-26c98a4cffde"
    },
    {
      "id": "chg_01a0837c-dc21-7561-8563-d41c76443c94",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 00:06:33.14469+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a0837c-dc21-7561-8563-d41c76443c94"
    },
    {
      "id": "chg_01a0837c-dc25-7a0d-8a1d-5bbb4751079a",
      "kind": "check.reverified",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.unreachable",
      "to_code": "toolsafety.injection_clean",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 00:06:33.14469+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a0837c-dc25-7a0d-8a1d-5bbb4751079a"
    },
    {
      "id": "chg_01a0837c-dc26-7145-9b90-2ac764d22cab",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.churn",
      "to_code": "stability.stable",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 00:06:33.14469+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a0837c-dc26-7145-9b90-2ac764d22cab"
    },
    {
      "id": "chg_01a07e5e-cd03-7cb7-8513-b631f2a74ace",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_unlisted",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 00:15:37.159886+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a07e5e-cd03-7cb7-8513-b631f2a74ace"
    },
    {
      "id": "chg_01a07e5e-cd06-71ae-aee3-a326c77cb154",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.churn",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "30",
        "added": "0",
        "breaks": "0",
        "removed": "34",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 00:15:37.159886+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a07e5e-cd06-71ae-aee3-a326c77cb154"
    },
    {
      "id": "chg_01a07e5e-cd06-7c49-8f42-cc473a5afc3a",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 00:15:37.159886+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a07e5e-cd06-7c49-8f42-cc473a5afc3a"
    },
    {
      "id": "chg_01a07931-7125-7074-9c48-1bba8bd0f01b",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 00:07:57.683298+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a07931-7125-7074-9c48-1bba8bd0f01b"
    },
    {
      "id": "chg_01a07407-d1ec-7271-93e9-892d886e14cb",
      "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 00:04:24.542523+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-xkcd/xkcd-mcp#chg-chg_01a07407-d1ec-7271-93e9-892d886e14cb"
    },
    {
      "id": "chg_01a07407-d1f1-7834-80f1-cc6f2d26c9c6",
      "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 00:04:24.542523+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-xkcd/xkcd-mcp#chg-chg_01a07407-d1f1-7834-80f1-cc6f2d26c9c6"
    },
    {
      "id": "chg_01a07407-d1f4-76f6-a745-572acfb2d917",
      "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 00:04:24.542523+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-xkcd/xkcd-mcp#chg-chg_01a07407-d1f4-76f6-a745-572acfb2d917"
    },
    {
      "id": "chg_01a07407-d1f5-77c7-8b35-8cb87e0900fa",
      "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 00:04:24.542523+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-xkcd/xkcd-mcp#chg-chg_01a07407-d1f5-77c7-8b35-8cb87e0900fa"
    },
    {
      "id": "chg_01a07407-d1f7-749d-a42a-96fd27a7b064",
      "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 00:04:24.542523+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-xkcd/xkcd-mcp#chg-chg_01a07407-d1f7-749d-a42a-96fd27a7b064"
    },
    {
      "id": "chg_01a06ee2-7f30-7595-b539-3de41161f835",
      "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 00:05:32.31492+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-xkcd/xkcd-mcp#chg-chg_01a06ee2-7f30-7595-b539-3de41161f835"
    },
    {
      "id": "chg_01a06ee2-7f33-7b0b-b086-be70f7c07887",
      "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 00:05:32.31492+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-xkcd/xkcd-mcp#chg-chg_01a06ee2-7f33-7b0b-b086-be70f7c07887"
    },
    {
      "id": "chg_01a06ee2-7f35-7df6-8ef2-da4fb3f7769f",
      "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 00:05:32.31492+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-xkcd/xkcd-mcp#chg-chg_01a06ee2-7f35-7df6-8ef2-da4fb3f7769f"
    },
    {
      "id": "chg_01a06ee2-7f36-7604-8cba-afc8ba4604ab",
      "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 00:05:32.31492+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-xkcd/xkcd-mcp#chg-chg_01a06ee2-7f36-7604-8cba-afc8ba4604ab"
    },
    {
      "id": "chg_01a06ee2-7f36-7b66-8a3f-2fcb079f0afd",
      "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 00:05:32.31492+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-xkcd/xkcd-mcp#chg-chg_01a06ee2-7f36-7b66-8a3f-2fcb079f0afd"
    },
    {
      "id": "chg_01a069c0-7806-7bd6-99f9-4a114ee5f940",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 00:10:16.399049+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a069c0-7806-7bd6-99f9-4a114ee5f940"
    },
    {
      "id": "chg_01a069c0-7808-74d8-9b20-bb96fe420b5f",
      "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 00:10:16.399049+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-xkcd/xkcd-mcp#chg-chg_01a069c0-7808-74d8-9b20-bb96fe420b5f"
    },
    {
      "id": "chg_01a069c0-7808-7a7d-b304-ee02456ed87d",
      "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 00:10:16.399049+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-xkcd/xkcd-mcp#chg-chg_01a069c0-7808-7a7d-b304-ee02456ed87d"
    },
    {
      "id": "chg_01a069c0-7809-70b6-bb7d-552382e802c9",
      "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 00:10:16.399049+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-xkcd/xkcd-mcp#chg-chg_01a069c0-7809-70b6-bb7d-552382e802c9"
    },
    {
      "id": "chg_01a069c0-7809-765f-90d0-5b1817693fb4",
      "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 00:10:16.399049+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-xkcd/xkcd-mcp#chg-chg_01a069c0-7809-765f-90d0-5b1817693fb4"
    },
    {
      "id": "chg_01a069c0-780a-705b-9f10-c55f96fce195",
      "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 00:10:16.399049+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-xkcd/xkcd-mcp#chg-chg_01a069c0-780a-705b-9f10-c55f96fce195"
    },
    {
      "id": "chg_01a069c0-780b-71e0-8344-06e99d7c81cd",
      "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": "2026-09-04",
      "occurred_at": "2026-09-04 00:10:16.399049+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a069c0-780b-71e0-8344-06e99d7c81cd"
    },
    {
      "id": "chg_01a069c0-780b-76df-b05b-088d7f619ec5",
      "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 00:10:16.399049+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-xkcd/xkcd-mcp#chg-chg_01a069c0-780b-76df-b05b-088d7f619ec5"
    },
    {
      "id": "chg_01a0649b-a042-7baa-8925-d0fe58cbdbba",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 00:11:55.811901+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a0649b-a042-7baa-8925-d0fe58cbdbba"
    },
    {
      "id": "chg_01a0649b-a044-7019-af8f-24ae3e8d3d9b",
      "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 00:11:55.811901+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-xkcd/xkcd-mcp#chg-chg_01a0649b-a044-7019-af8f-24ae3e8d3d9b"
    },
    {
      "id": "chg_01a0649b-a044-751e-bd78-78cf8174c556",
      "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 00:11:55.811901+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-xkcd/xkcd-mcp#chg-chg_01a0649b-a044-751e-bd78-78cf8174c556"
    },
    {
      "id": "chg_01a0649b-a044-78ee-ba6d-a10e1d9faf80",
      "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 00:11:55.811901+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-xkcd/xkcd-mcp#chg-chg_01a0649b-a044-78ee-ba6d-a10e1d9faf80"
    },
    {
      "id": "chg_01a0649b-a044-7db3-9860-e2973ce7b0a0",
      "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 00:11:55.811901+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-xkcd/xkcd-mcp#chg-chg_01a0649b-a044-7db3-9860-e2973ce7b0a0"
    },
    {
      "id": "chg_01a0649b-a045-7217-94e8-c1149501d092",
      "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 00:11:55.811901+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-xkcd/xkcd-mcp#chg-chg_01a0649b-a045-7217-94e8-c1149501d092"
    },
    {
      "id": "chg_01a05f73-b9ba-7cc0-95ef-fbbead475584",
      "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 00:10:14.77091+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-xkcd/xkcd-mcp#chg-chg_01a05f73-b9ba-7cc0-95ef-fbbead475584"
    },
    {
      "id": "chg_01a05f73-b9bd-76ae-8462-51cdc9900ff5",
      "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 00:10:14.77091+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-xkcd/xkcd-mcp#chg-chg_01a05f73-b9bd-76ae-8462-51cdc9900ff5"
    },
    {
      "id": "chg_01a05f73-b9bd-7e5d-8342-bcf1c2f8e4d2",
      "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 00:10:14.77091+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-xkcd/xkcd-mcp#chg-chg_01a05f73-b9bd-7e5d-8342-bcf1c2f8e4d2"
    },
    {
      "id": "chg_01a05f73-b9be-73ab-b4e7-71dbbdd08246",
      "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 00:10:14.77091+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-xkcd/xkcd-mcp#chg-chg_01a05f73-b9be-73ab-b4e7-71dbbdd08246"
    },
    {
      "id": "chg_01a05f73-b9c0-77ae-b734-b125fb1f06b8",
      "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 00:10:14.77091+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-xkcd/xkcd-mcp#chg-chg_01a05f73-b9c0-77ae-b734-b125fb1f06b8"
    },
    {
      "id": "chg_01a05f73-b9c1-73ae-90eb-4688780d50f2",
      "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 00:10:14.77091+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-xkcd/xkcd-mcp#chg-chg_01a05f73-b9c1-73ae-90eb-4688780d50f2"
    },
    {
      "id": "chg_01a05a4d-d75a-791a-9255-ea76920e27c6",
      "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 00:10:45.934925+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-xkcd/xkcd-mcp#chg-chg_01a05a4d-d75a-791a-9255-ea76920e27c6"
    },
    {
      "id": "chg_01a05a4d-d75c-7959-9bc1-1b3f7abe9f15",
      "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 00:10:45.934925+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-xkcd/xkcd-mcp#chg-chg_01a05a4d-d75c-7959-9bc1-1b3f7abe9f15"
    },
    {
      "id": "chg_01a05a4d-d75d-7ed2-aa9d-55ed9f9f36b5",
      "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 00:10:45.934925+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-xkcd/xkcd-mcp#chg-chg_01a05a4d-d75d-7ed2-aa9d-55ed9f9f36b5"
    },
    {
      "id": "chg_01a05a4d-d75f-7d2d-a13c-827e5101af71",
      "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 00:10:45.934925+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-xkcd/xkcd-mcp#chg-chg_01a05a4d-d75f-7d2d-a13c-827e5101af71"
    },
    {
      "id": "chg_01a05a4d-d760-74ad-a33d-3ed785e67766",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_kalshi_spread"
      },
      "occurred_on": "2026-09-01",
      "occurred_at": "2026-09-01 00:10:45.934925+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a05a4d-d760-74ad-a33d-3ed785e67766"
    },
    {
      "id": "chg_01a05a4d-d760-7ad6-9cb1-f44366481d7c",
      "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 00:10:45.934925+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-xkcd/xkcd-mcp#chg-chg_01a05a4d-d760-7ad6-9cb1-f44366481d7c"
    },
    {
      "id": "chg_01a05524-fb7d-73b8-b62d-eb90a349c00d",
      "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 00:08:02.048737+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a05524-fb7d-73b8-b62d-eb90a349c00d"
    },
    {
      "id": "chg_01a05524-fb82-766b-b85e-cb343e422298",
      "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 00:08:02.048737+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-xkcd/xkcd-mcp#chg-chg_01a05524-fb82-766b-b85e-cb343e422298"
    },
    {
      "id": "chg_01a05524-fb82-7d2a-aeee-bf8340ca2a23",
      "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 00:08:02.048737+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-xkcd/xkcd-mcp#chg-chg_01a05524-fb82-7d2a-aeee-bf8340ca2a23"
    },
    {
      "id": "chg_01a05524-fb83-7396-855f-de1f434ac65b",
      "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 00:08:02.048737+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-xkcd/xkcd-mcp#chg-chg_01a05524-fb83-7396-855f-de1f434ac65b"
    },
    {
      "id": "chg_01a05524-fb83-7a4b-ac45-681146e9ba71",
      "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 00:08:02.048737+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-xkcd/xkcd-mcp#chg-chg_01a05524-fb83-7a4b-ac45-681146e9ba71"
    },
    {
      "id": "chg_01a05524-fb84-7033-a2a8-2d11ba2dc649",
      "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 00:08:02.048737+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-xkcd/xkcd-mcp#chg-chg_01a05524-fb84-7033-a2a8-2d11ba2dc649"
    },
    {
      "id": "chg_01a04ffd-5c61-7393-a38c-b544f081a5d9",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 00:06:39.395016+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a04ffd-5c61-7393-a38c-b544f081a5d9"
    },
    {
      "id": "chg_01a04ffd-5c68-7029-8d9c-b9ada61e0cfa",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 00:06:39.395016+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a04ffd-5c68-7029-8d9c-b9ada61e0cfa"
    },
    {
      "id": "chg_01a04ffd-5c68-7714-99b2-9b43fc7c58cf",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 00:06:39.395016+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a04ffd-5c68-7714-99b2-9b43fc7c58cf"
    },
    {
      "id": "chg_01a04ffd-5c68-7cc9-8cdf-837b658269bf",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 00:06:39.395016+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a04ffd-5c68-7cc9-8cdf-837b658269bf"
    },
    {
      "id": "chg_01a04ffd-5c69-72f9-9492-90808689f419",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-30",
      "occurred_at": "2026-08-30 00:06:39.395016+00",
      "observed_since": "2026-08-29",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a04ffd-5c69-72f9-9492-90808689f419"
    },
    {
      "id": "chg_01a04ad6-75b9-7c79-8eaa-d3fa9ea50086",
      "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 00:06:03.875724+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-xkcd/xkcd-mcp#chg-chg_01a04ad6-75b9-7c79-8eaa-d3fa9ea50086"
    },
    {
      "id": "chg_01a04ad6-75bc-7395-bd69-87b0006616c1",
      "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 00:06:03.875724+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-xkcd/xkcd-mcp#chg-chg_01a04ad6-75bc-7395-bd69-87b0006616c1"
    },
    {
      "id": "chg_01a04ad6-75bc-7bfa-ac3a-fa9097b503ec",
      "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 00:06:03.875724+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-xkcd/xkcd-mcp#chg-chg_01a04ad6-75bc-7bfa-ac3a-fa9097b503ec"
    },
    {
      "id": "chg_01a04ad6-75bd-7842-9ab6-60329a2299b9",
      "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 00:06:03.875724+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-xkcd/xkcd-mcp#chg-chg_01a04ad6-75bd-7842-9ab6-60329a2299b9"
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      "observed_since": "2026-08-28",
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      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-xkcd/xkcd-mcp#chg-chg_01a04086-f25e-7b2e-9553-6ebb7ce310d5"
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