{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pipeworx-io-coresignal",
  "component": "coresignal-mcp",
  "generated_at": "2026-09-21T06:10:07.740Z",
  "tracking_since": "2026-07-26",
  "counts": {
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  },
  "events": [
    {
      "id": "chg_01a0c145-ea22-7833-8d64-a6aab1401034",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.churn",
      "from_value": "pass",
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      "materiality": "security",
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      "detail": {
        "days": "30",
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      "occurred_at": "2026-09-21 00:02:59.550866+00",
      "observed_since": "2026-09-20",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0c145-ea22-7833-8d64-a6aab1401034"
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    {
      "id": "chg_01a0b6f8-cddf-73ad-984c-5c1947e5bf07",
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      "materiality": "security",
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      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 00:02:33.950914+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0b6f8-cddf-73ad-984c-5c1947e5bf07"
    },
    {
      "id": "chg_01a0b6f8-cde1-76dd-b1e2-e725704529b0",
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      "materiality": "security",
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      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 00:02:33.950914+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0b6f8-cde1-76dd-b1e2-e725704529b0"
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    {
      "id": "chg_01a0b6f8-cde2-745f-8d8b-4bc7fd5f197d",
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      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 00:02:33.950914+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0b6f8-cde2-745f-8d8b-4bc7fd5f197d"
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    {
      "id": "chg_01a0b6f8-cde3-74f4-98da-d06a5e469920",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "deep_research",
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      "materiality": "security",
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      "detail": {
        "tool": "deep_research"
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      "occurred_at": "2026-09-19 00:02:33.950914+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0b6f8-cde3-74f4-98da-d06a5e469920"
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    {
      "id": "chg_01a0b6f8-cde3-7a5b-ac24-36db943861a6",
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      "subject_kind": "server",
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      "from_code": null,
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      "materiality": "security",
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      "detail": {},
      "occurred_on": "2026-09-19",
      "occurred_at": "2026-09-19 00:02:33.950914+00",
      "observed_since": "2026-09-18",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0b6f8-cde3-7a5b-ac24-36db943861a6"
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    {
      "id": "chg_01a0b1d1-7328-707f-ad5d-a537406c087f",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx",
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      "from_code": null,
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      "materiality": "security",
      "direction": "neutral",
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      "detail": {
        "tool": "ask_pipeworx"
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      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 00:01:28.764975+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0b1d1-7328-707f-ad5d-a537406c087f"
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    {
      "id": "chg_01a0b1d1-732a-7ee5-bcaa-4c3d8df3a379",
      "kind": "tool.description_changed",
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      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
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      "from_code": null,
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      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
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      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 00:01:28.764975+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0b1d1-732a-7ee5-bcaa-4c3d8df3a379"
    },
    {
      "id": "chg_01a0b1d1-732b-760e-8a56-a51d78a8f420",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "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": "2026-09-18",
      "occurred_at": "2026-09-18 00:01:28.764975+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0b1d1-732b-760e-8a56-a51d78a8f420"
    },
    {
      "id": "chg_01a0b1d1-732b-7b09-b170-9f7dd2d5badc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
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      "from_code": null,
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      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 00:01:28.764975+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0b1d1-732b-7b09-b170-9f7dd2d5badc"
    },
    {
      "id": "chg_01a0b1d1-732c-7a4c-ba7e-0b6139f6f0b7",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
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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": "2026-09-18",
      "occurred_at": "2026-09-18 00:01:28.764975+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0b1d1-732c-7a4c-ba7e-0b6139f6f0b7"
    },
    {
      "id": "chg_01a0acaa-425e-7c4b-a140-2e2fef0b419c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "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": "2026-09-17",
      "occurred_at": "2026-09-17 00:00:34.121611+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0acaa-425e-7c4b-a140-2e2fef0b419c"
    },
    {
      "id": "chg_01a0acaa-4263-71b7-ae56-efa0cdcc3217",
      "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"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 00:00:34.121611+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0acaa-4263-71b7-ae56-efa0cdcc3217"
    },
    {
      "id": "chg_01a0acaa-4263-7d3f-8546-d25dbe8720af",
      "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": "2026-09-17",
      "occurred_at": "2026-09-17 00:00:34.121611+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0acaa-4263-7d3f-8546-d25dbe8720af"
    },
    {
      "id": "chg_01a0acaa-4267-79ec-b81b-5206f158c4a7",
      "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": "2026-09-17",
      "occurred_at": "2026-09-17 00:00:34.121611+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0acaa-4267-79ec-b81b-5206f158c4a7"
    },
    {
      "id": "chg_01a0acaa-4267-7f41-8f44-0bcd5b0f5b06",
      "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": "2026-09-17",
      "occurred_at": "2026-09-17 00:00:34.121611+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “entity_profile” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0acaa-4267-7f41-8f44-0bcd5b0f5b06"
    },
    {
      "id": "chg_01a0acaa-4269-76fe-9fe1-25c460e5478e",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_edge_tracker",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_edge_tracker"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 00:00:34.121611+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “polymarket_edge_tracker” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0acaa-4269-76fe-9fe1-25c460e5478e"
    },
    {
      "id": "chg_01a0acaa-4269-7b7f-b948-1650ad9f62a8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_edges",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_edges"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 00:00:34.121611+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “polymarket_edges” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0acaa-4269-7b7f-b948-1650ad9f62a8"
    },
    {
      "id": "chg_01a0acaa-426d-7e86-b507-ef9caf73ada7",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_fill_risk",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_fill_risk"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 00:00:34.121611+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “polymarket_fill_risk” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0acaa-426d-7e86-b507-ef9caf73ada7"
    },
    {
      "id": "chg_01a0acaa-4270-7b07-9b6c-aca6db930958",
      "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": "2026-09-17",
      "occurred_at": "2026-09-17 00:00:34.121611+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0acaa-4270-7b07-9b6c-aca6db930958"
    },
    {
      "id": "chg_01a0acaa-4271-7c75-9492-b475549f01bc",
      "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": "2026-09-17",
      "occurred_at": "2026-09-17 00:00:34.121611+00",
      "observed_since": "2026-09-16",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0acaa-4271-7c75-9492-b475549f01bc"
    },
    {
      "id": "chg_01a0a784-2470-7a42-85e5-bd47dacab5fb",
      "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": "2026-09-16",
      "occurred_at": "2026-09-16 00:00:50.070297+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0a784-2470-7a42-85e5-bd47dacab5fb"
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    {
      "id": "chg_01a0a784-2481-701e-a9c7-4e2e6263a458",
      "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": "2026-09-16",
      "occurred_at": "2026-09-16 00:00:50.070297+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0a784-2481-701e-a9c7-4e2e6263a458"
    },
    {
      "id": "chg_01a0a784-2481-7eb2-bf33-fc94e742c793",
      "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": "2026-09-16",
      "occurred_at": "2026-09-16 00:00:50.070297+00",
      "observed_since": "2026-09-15",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0a784-2481-7eb2-bf33-fc94e742c793"
    },
    {
      "id": "chg_01a0a269-5638-7167-95e7-02a1b858d6da",
      "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": "33",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-15",
      "occurred_at": "2026-09-15 00:13:27.368067+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0a269-5638-7167-95e7-02a1b858d6da"
    },
    {
      "id": "chg_01a0a269-563a-7cf8-943d-e4b691d3d46b",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-15",
      "occurred_at": "2026-09-15 00:13:27.368067+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0a269-563a-7cf8-943d-e4b691d3d46b"
    },
    {
      "id": "chg_01a0a269-563b-7867-ad6d-a7c1180cf9ac",
      "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": "2026-09-15",
      "occurred_at": "2026-09-15 00:13:27.368067+00",
      "observed_since": "2026-09-14",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0a269-563b-7867-ad6d-a7c1180cf9ac"
    },
    {
      "id": "chg_01a09d42-69aa-775c-9847-d6346d1b44f9",
      "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": "2026-09-14",
      "occurred_at": "2026-09-14 00:12:50.414763+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-coresignal/coresignal-mcp#chg-chg_01a09d42-69aa-775c-9847-d6346d1b44f9"
    },
    {
      "id": "chg_01a09d42-69a8-70be-8533-3aa67cffb219",
      "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": "2026-09-14",
      "occurred_at": "2026-09-14 00:12:50.414763+00",
      "observed_since": "2026-09-13",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a09d42-69a8-70be-8533-3aa67cffb219"
    },
    {
      "id": "chg_01a09d42-69ab-74cb-b990-99e108a84830",
      "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": "2026-09-14",
      "occurred_at": "2026-09-14 00:12:50.414763+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-coresignal/coresignal-mcp#chg-chg_01a09d42-69ab-74cb-b990-99e108a84830"
    },
    {
      "id": "chg_01a09d42-69ab-7a04-8efc-b8bf8fbb9f04",
      "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": "2026-09-14",
      "occurred_at": "2026-09-14 00:12:50.414763+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-coresignal/coresignal-mcp#chg-chg_01a09d42-69ab-7a04-8efc-b8bf8fbb9f04"
    },
    {
      "id": "chg_01a09d42-69ab-7e67-9e71-45b00ee83770",
      "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": "2026-09-14",
      "occurred_at": "2026-09-14 00:12:50.414763+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-coresignal/coresignal-mcp#chg-chg_01a09d42-69ab-7e67-9e71-45b00ee83770"
    },
    {
      "id": "chg_01a09d42-69ac-7379-9d31-f6490f0d8cfc",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_arbitrage",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_arbitrage"
      },
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 00:12:50.414763+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-coresignal/coresignal-mcp#chg-chg_01a09d42-69ac-7379-9d31-f6490f0d8cfc"
    },
    {
      "id": "chg_01a09d42-69ac-7845-b008-a5144b812e92",
      "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": "2026-09-14",
      "occurred_at": "2026-09-14 00:12:50.414763+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-coresignal/coresignal-mcp#chg-chg_01a09d42-69ac-7845-b008-a5144b812e92"
    },
    {
      "id": "chg_01a09d42-69ae-71fa-948c-2d2e28c142ea",
      "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": "2026-09-14",
      "occurred_at": "2026-09-14 00:12:50.414763+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-coresignal/coresignal-mcp#chg-chg_01a09d42-69ae-71fa-948c-2d2e28c142ea"
    },
    {
      "id": "chg_01a09821-54ba-7200-8560-7b1c3bb03cef",
      "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": "2026-09-13",
      "occurred_at": "2026-09-13 00:18:36.296357+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a09821-54ba-7200-8560-7b1c3bb03cef"
    },
    {
      "id": "chg_01a09821-54bb-7e52-b72e-c6cb03351b2f",
      "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": "2026-09-13",
      "occurred_at": "2026-09-13 00:18:36.296357+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-coresignal/coresignal-mcp#chg-chg_01a09821-54bb-7e52-b72e-c6cb03351b2f"
    },
    {
      "id": "chg_01a09821-54bc-74bd-b9c4-81b309f5f1bb",
      "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": "2026-09-13",
      "occurred_at": "2026-09-13 00:18:36.296357+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-coresignal/coresignal-mcp#chg-chg_01a09821-54bc-74bd-b9c4-81b309f5f1bb"
    },
    {
      "id": "chg_01a09821-54bc-7acc-a4ea-ab79d0d48261",
      "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": "2026-09-13",
      "occurred_at": "2026-09-13 00:18:36.296357+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-coresignal/coresignal-mcp#chg-chg_01a09821-54bc-7acc-a4ea-ab79d0d48261"
    },
    {
      "id": "chg_01a09821-54bd-7213-af3f-402256345f2a",
      "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": "2026-09-13",
      "occurred_at": "2026-09-13 00:18:36.296357+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-coresignal/coresignal-mcp#chg-chg_01a09821-54bd-7213-af3f-402256345f2a"
    },
    {
      "id": "chg_01a09821-54bd-7d11-96e2-2ba3b5ffa737",
      "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": "2026-09-13",
      "occurred_at": "2026-09-13 00:18:36.296357+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-coresignal/coresignal-mcp#chg-chg_01a09821-54bd-7d11-96e2-2ba3b5ffa737"
    },
    {
      "id": "chg_01a092fd-b1c2-737b-949f-7f850f9e2c16",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 00:21:34.738302+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a092fd-b1c2-737b-949f-7f850f9e2c16"
    },
    {
      "id": "chg_01a092fd-b1c3-7daf-b516-5f02b19ccda5",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 00:21:34.738302+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-coresignal/coresignal-mcp#chg-chg_01a092fd-b1c3-7daf-b516-5f02b19ccda5"
    },
    {
      "id": "chg_01a092fd-b1c4-732b-81c7-19a1f320892b",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 00:21:34.738302+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-coresignal/coresignal-mcp#chg-chg_01a092fd-b1c4-732b-81c7-19a1f320892b"
    },
    {
      "id": "chg_01a092fd-b1c4-7910-85c9-98ea8f57aab3",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 00:21:34.738302+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-coresignal/coresignal-mcp#chg-chg_01a092fd-b1c4-7910-85c9-98ea8f57aab3"
    },
    {
      "id": "chg_01a092fd-b1c4-7dd4-b6e4-d2631cbe0306",
      "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"
      },
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 00:21:34.738302+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-coresignal/coresignal-mcp#chg-chg_01a092fd-b1c4-7dd4-b6e4-d2631cbe0306"
    },
    {
      "id": "chg_01a092fd-b1c5-7807-8a04-5c13d036acf0",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 00:21:34.738302+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-coresignal/coresignal-mcp#chg-chg_01a092fd-b1c5-7807-8a04-5c13d036acf0"
    },
    {
      "id": "chg_01a092fd-b1c5-7c57-a719-8a789a855c35",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 00:21:34.738302+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-coresignal/coresignal-mcp#chg-chg_01a092fd-b1c5-7c57-a719-8a789a855c35"
    },
    {
      "id": "chg_01a092fd-b1c6-7832-ab6f-36c0078463b1",
      "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 00:21:34.738302+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-coresignal/coresignal-mcp#chg-chg_01a092fd-b1c6-7832-ab6f-36c0078463b1"
    },
    {
      "id": "chg_01a08dd8-705b-712b-9f35-08347730cb49",
      "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": "2026-09-11",
      "occurred_at": "2026-09-11 00:22:47.076743+00",
      "observed_since": "2026-09-10",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a08dd8-705b-712b-9f35-08347730cb49"
    },
    {
      "id": "chg_01a08dd8-705c-7698-a32d-a9cd3b9bbb27",
      "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 00:22:47.076743+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-coresignal/coresignal-mcp#chg-chg_01a08dd8-705c-7698-a32d-a9cd3b9bbb27"
    },
    {
      "id": "chg_01a08dd8-705c-7b11-99d9-87efa5d3f02c",
      "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 00:22:47.076743+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-coresignal/coresignal-mcp#chg-chg_01a08dd8-705c-7b11-99d9-87efa5d3f02c"
    },
    {
      "id": "chg_01a08dd8-705d-71fa-913c-836dfc2381c6",
      "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 00:22:47.076743+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-coresignal/coresignal-mcp#chg-chg_01a08dd8-705d-71fa-913c-836dfc2381c6"
    },
    {
      "id": "chg_01a08dd8-705d-77a3-afb7-056edc1a814d",
      "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 00:22:47.076743+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-coresignal/coresignal-mcp#chg-chg_01a08dd8-705d-77a3-afb7-056edc1a814d"
    },
    {
      "id": "chg_01a08dd8-705d-7bcc-aebe-ae9e1771fd65",
      "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 00:22:47.076743+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-coresignal/coresignal-mcp#chg-chg_01a08dd8-705d-7bcc-aebe-ae9e1771fd65"
    },
    {
      "id": "chg_01a088a5-f9c6-7c02-9826-81fc74d93acc",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 00:09:33.776357+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a088a5-f9c6-7c02-9826-81fc74d93acc"
    },
    {
      "id": "chg_01a088a5-f9c7-7e9f-bc6e-e846b4fbcddb",
      "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 00:09:33.776357+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-coresignal/coresignal-mcp#chg-chg_01a088a5-f9c7-7e9f-bc6e-e846b4fbcddb"
    },
    {
      "id": "chg_01a088a5-f9c9-7831-9a73-1e4b7f8e8915",
      "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 00:09:33.776357+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-coresignal/coresignal-mcp#chg-chg_01a088a5-f9c9-7831-9a73-1e4b7f8e8915"
    },
    {
      "id": "chg_01a088a5-f9c9-7bfc-9f39-1de88327b38e",
      "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 00:09:33.776357+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-coresignal/coresignal-mcp#chg-chg_01a088a5-f9c9-7bfc-9f39-1de88327b38e"
    },
    {
      "id": "chg_01a088a5-f9ca-7e29-9b35-3ff44b7f7d3c",
      "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 00:09:33.776357+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-coresignal/coresignal-mcp#chg-chg_01a088a5-f9ca-7e29-9b35-3ff44b7f7d3c"
    },
    {
      "id": "chg_01a088a5-f9cb-72e9-b3a8-9761e0ecabc4",
      "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 00:09:33.776357+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-coresignal/coresignal-mcp#chg-chg_01a088a5-f9cb-72e9-b3a8-9761e0ecabc4"
    },
    {
      "id": "chg_01a0837f-40ec-7ac5-b5cd-c325c08c3edf",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 00:09:10.039381+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0837f-40ec-7ac5-b5cd-c325c08c3edf"
    },
    {
      "id": "chg_01a0837f-40ee-74e6-8581-1605d9b0dbf5",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 00:09:10.039381+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0837f-40ee-74e6-8581-1605d9b0dbf5"
    },
    {
      "id": "chg_01a0837f-40ee-7a6c-a4ae-2b4a4b7bb6d3",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 00:09:10.039381+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0837f-40ee-7a6c-a4ae-2b4a4b7bb6d3"
    },
    {
      "id": "chg_01a0837f-40f0-7ce9-8439-f2af5d115307",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 00:09:10.039381+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0837f-40f0-7ce9-8439-f2af5d115307"
    },
    {
      "id": "chg_01a0837f-40f1-71eb-90fb-25590b6d8553",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 00:09:10.039381+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0837f-40f1-71eb-90fb-25590b6d8553"
    },
    {
      "id": "chg_01a0837f-40f2-74e0-97cd-39c462e0e1aa",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 00:09:10.039381+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0837f-40f2-74e0-97cd-39c462e0e1aa"
    },
    {
      "id": "chg_01a07e56-8b5f-77d0-86d0-eb4e9aceed4d",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 00:06:36.063843+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-coresignal/coresignal-mcp#chg-chg_01a07e56-8b5f-77d0-86d0-eb4e9aceed4d"
    },
    {
      "id": "chg_01a07e56-8b60-7dc4-bd1f-d739ec687df9",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 00:06:36.063843+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-coresignal/coresignal-mcp#chg-chg_01a07e56-8b60-7dc4-bd1f-d739ec687df9"
    },
    {
      "id": "chg_01a07e56-8b61-729a-97be-35174b97b9ee",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 00:06:36.063843+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-coresignal/coresignal-mcp#chg-chg_01a07e56-8b61-729a-97be-35174b97b9ee"
    },
    {
      "id": "chg_01a07e56-8b61-7845-aabc-795865e121d0",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 00:06:36.063843+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-coresignal/coresignal-mcp#chg-chg_01a07e56-8b61-7845-aabc-795865e121d0"
    },
    {
      "id": "chg_01a07e56-8b61-7c29-a318-de5f9c0a2912",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 00:06:36.063843+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-coresignal/coresignal-mcp#chg-chg_01a07e56-8b61-7c29-a318-de5f9c0a2912"
    },
    {
      "id": "chg_01a0792e-4469-79f0-8340-9a49130ec0aa",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 00:04:30.276296+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0792e-4469-79f0-8340-9a49130ec0aa"
    },
    {
      "id": "chg_01a0740b-c264-707f-8a67-fb32dce3390f",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 00:08:42.769779+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0740b-c264-707f-8a67-fb32dce3390f"
    },
    {
      "id": "chg_01a0740b-c265-7690-b659-1047692e456f",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.http_error",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 00:08:42.769779+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0740b-c265-7690-b659-1047692e456f"
    },
    {
      "id": "chg_01a0740b-c265-7ba2-b9b5-c6f1f0a88660",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 00:08:42.769779+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0740b-c265-7ba2-b9b5-c6f1f0a88660"
    },
    {
      "id": "chg_01a0740b-c266-7ce2-8ec2-7c463e55edfe",
      "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": "2026-09-06",
      "occurred_at": "2026-09-06 00:08:42.769779+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a0740b-c266-7ce2-8ec2-7c463e55edfe"
    },
    {
      "id": "chg_01a06ee4-f9ca-75ae-90ae-81060448257e",
      "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": "33",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 00:08:14.990551+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a06ee4-f9ca-75ae-90ae-81060448257e"
    },
    {
      "id": "chg_01a06ee4-f9cb-70db-a3f5-3d7af0740de6",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 00:08:14.990551+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a06ee4-f9cb-70db-a3f5-3d7af0740de6"
    },
    {
      "id": "chg_01a06ee4-f9cb-75b4-8a51-7853975e72b8",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.http_error",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "503",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 00:08:14.990551+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a06ee4-f9cb-75b4-8a51-7853975e72b8"
    },
    {
      "id": "chg_01a06ee4-f9cc-7295-8aa1-fbbaa041807f",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 00:08:14.990551+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a06ee4-f9cc-7295-8aa1-fbbaa041807f"
    },
    {
      "id": "chg_01a069c2-b6a8-7152-b220-dec2e47ff014",
      "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 00:12:43.521691+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a069c2-b6a8-7152-b220-dec2e47ff014"
    },
    {
      "id": "chg_01a069c2-b6a9-77e2-b7d6-6832e6bd2e91",
      "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 00:12:43.521691+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-coresignal/coresignal-mcp#chg-chg_01a069c2-b6a9-77e2-b7d6-6832e6bd2e91"
    },
    {
      "id": "chg_01a069c2-b6a9-7cce-ab2d-44e1cb36c927",
      "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 00:12:43.521691+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-coresignal/coresignal-mcp#chg-chg_01a069c2-b6a9-7cce-ab2d-44e1cb36c927"
    },
    {
      "id": "chg_01a069c2-b6aa-728e-9fdb-2221e7bd34b3",
      "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 00:12:43.521691+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-coresignal/coresignal-mcp#chg-chg_01a069c2-b6aa-728e-9fdb-2221e7bd34b3"
    },
    {
      "id": "chg_01a069c2-b6aa-774a-8ad8-2f4fed3c017b",
      "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 00:12:43.521691+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-coresignal/coresignal-mcp#chg-chg_01a069c2-b6aa-774a-8ad8-2f4fed3c017b"
    },
    {
      "id": "chg_01a069c2-b6ab-745a-8421-4b5e77de7bbc",
      "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 00:12:43.521691+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-coresignal/coresignal-mcp#chg-chg_01a069c2-b6ab-745a-8421-4b5e77de7bbc"
    },
    {
      "id": "chg_01a069c2-b6ac-77ec-bd6c-8b9c8d5bf50f",
      "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 00:12:43.521691+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-coresignal/coresignal-mcp#chg-chg_01a069c2-b6ac-77ec-bd6c-8b9c8d5bf50f"
    },
    {
      "id": "chg_01a069c2-b6ac-7e0d-ac79-868e46417e79",
      "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 00:12:43.521691+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-coresignal/coresignal-mcp#chg-chg_01a069c2-b6ac-7e0d-ac79-868e46417e79"
    },
    {
      "id": "chg_01a06498-3c2a-7331-81d4-71887142a0a6",
      "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 00:08:13.532009+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-coresignal/coresignal-mcp#chg-chg_01a06498-3c2a-7331-81d4-71887142a0a6"
    },
    {
      "id": "chg_01a06498-3c2d-74cd-91d9-32b2cec23c55",
      "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 00:08:13.532009+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-coresignal/coresignal-mcp#chg-chg_01a06498-3c2d-74cd-91d9-32b2cec23c55"
    },
    {
      "id": "chg_01a06498-3c2e-71ac-878b-1f46bdacc7d7",
      "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 00:08:13.532009+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-coresignal/coresignal-mcp#chg-chg_01a06498-3c2e-71ac-878b-1f46bdacc7d7"
    },
    {
      "id": "chg_01a06498-3c2e-7a2e-9e42-8092659a5453",
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      "materiality": "security",
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      "detail": {
        "tool": "ask_pipeworx_grounded"
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      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 00:08:13.532009+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-coresignal/coresignal-mcp#chg-chg_01a06498-3c2e-7a2e-9e42-8092659a5453"
    },
    {
      "id": "chg_01a06498-3c31-7e94-9701-3513a761a158",
      "kind": "tool.description_changed",
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      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {
        "tool": "deep_research"
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      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 00:08:13.532009+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-coresignal/coresignal-mcp#chg-chg_01a06498-3c31-7e94-9701-3513a761a158"
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    {
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      "occurred_at": "2026-09-03 00:08:13.532009+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-coresignal/coresignal-mcp#chg-chg_01a06498-3c32-787c-8c11-95d7705d3f9b"
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    {
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      "occurred_at": "2026-09-02 00:09:27.688301+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-coresignal/coresignal-mcp#chg-chg_01a05f73-01b2-74c2-95b4-ac6af9592791"
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    {
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      "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-coresignal/coresignal-mcp#chg-chg_01a05f73-01b2-7cb7-8d13-1ffe367c7cc5"
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    {
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      "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-coresignal/coresignal-mcp#chg-chg_01a05f73-01b3-72a8-b644-8221593eeeba"
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      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
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