{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pipeworx-io-cnpj-br",
  "component": "cnpj-br-mcp",
  "generated_at": "2026-10-07T20:42:30.334Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 4,
    "security": 89,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0e1ba-695a-7a20-af27-162193f83b93",
      "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": "2026-09-27",
      "occurred_at": "2026-09-27 07:18:05.210915+00",
      "observed_since": "2026-09-26",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a0e1ba-695a-7a20-af27-162193f83b93"
    },
    {
      "id": "chg_01a0e1ba-695b-7c41-87f4-cf7d87de31c2",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.insufficient_history",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "tools_unlisted"
      },
      "occurred_on": "2026-09-27",
      "occurred_at": "2026-09-27 07:18:05.210915+00",
      "observed_since": "2026-09-26",
      "source": "scan",
      "summary": "Stability (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a0e1ba-695b-7c41-87f4-cf7d87de31c2"
    },
    {
      "id": "chg_01a0e1ba-695c-746e-9ffc-035b2778c1e0",
      "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": "2026-09-27",
      "occurred_at": "2026-09-27 07:18:05.210915+00",
      "observed_since": "2026-09-26",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a0e1ba-695c-746e-9ffc-035b2778c1e0"
    },
    {
      "id": "chg_01a0db07-7eff-7777-a1a0-f69c5d953d76",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 00:04:56.462735+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-cnpj-br/cnpj-br-mcp#chg-chg_01a0db07-7eff-7777-a1a0-f69c5d953d76"
    },
    {
      "id": "chg_01a0db07-7e9f-77e8-84b4-3fbbc692e68b",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 00:04:56.462735+00",
      "observed_since": "2026-09-25",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a0db07-7e9f-77e8-84b4-3fbbc692e68b"
    },
    {
      "id": "chg_01a0db07-7ea2-7b83-b5b2-cd64ab3968e1",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 00:04:56.462735+00",
      "observed_since": "2026-09-25",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a0db07-7ea2-7b83-b5b2-cd64ab3968e1"
    },
    {
      "id": "chg_01a0db07-7ea3-72d8-9634-3ff6795e365c",
      "kind": "check.reverified",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.stable",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-26",
      "occurred_at": "2026-09-26 00:04:56.462735+00",
      "observed_since": "2026-09-25",
      "source": "scan",
      "summary": "Stability (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a0db07-7ea3-72d8-9634-3ff6795e365c"
    },
    {
      "id": "chg_01a0db07-7ead-7532-82f6-51271f64543f",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 00:04:56.462735+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-cnpj-br/cnpj-br-mcp#chg-chg_01a0db07-7ead-7532-82f6-51271f64543f"
    },
    {
      "id": "chg_01a0db07-7eb4-784b-a34e-523b14698540",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 00:04:56.462735+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-cnpj-br/cnpj-br-mcp#chg-chg_01a0db07-7eb4-784b-a34e-523b14698540"
    },
    {
      "id": "chg_01a0db07-7eba-7753-bef8-b2b86a851571",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 00:04:56.462735+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-cnpj-br/cnpj-br-mcp#chg-chg_01a0db07-7eba-7753-bef8-b2b86a851571"
    },
    {
      "id": "chg_01a0db07-7ec3-7190-8f49-ae2f473539b2",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 00:04:56.462735+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-cnpj-br/cnpj-br-mcp#chg-chg_01a0db07-7ec3-7190-8f49-ae2f473539b2"
    },
    {
      "id": "chg_01a0db07-7ec9-718d-b5b4-6aa25155121f",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 00:04:56.462735+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-cnpj-br/cnpj-br-mcp#chg-chg_01a0db07-7ec9-718d-b5b4-6aa25155121f"
    },
    {
      "id": "chg_01a0db07-7ed2-7551-92b0-2e14c84fcd52",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 00:04:56.462735+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “entity_profile” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a0db07-7ed2-7551-92b0-2e14c84fcd52"
    },
    {
      "id": "chg_01a0db07-7ee4-7714-b553-1ca7f75a4c22",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 00:04:56.462735+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “polymarket_arbitrage” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a0db07-7ee4-7714-b553-1ca7f75a4c22"
    },
    {
      "id": "chg_01a0db07-7ee7-7148-8c51-b6a68fdb9c0b",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 00:04:56.462735+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “polymarket_edge_tracker” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a0db07-7ee7-7148-8c51-b6a68fdb9c0b"
    },
    {
      "id": "chg_01a0db07-7ee9-795c-92fe-a51385a8de9e",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 00:04:56.462735+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “polymarket_edges” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a0db07-7ee9-795c-92fe-a51385a8de9e"
    },
    {
      "id": "chg_01a0db07-7eeb-7155-a04a-a9fc6029e639",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 00:04:56.462735+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool “polymarket_fill_risk” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a0db07-7eeb-7155-a04a-a9fc6029e639"
    },
    {
      "id": "chg_01a0db07-7eec-7d82-8984-fa6118c6b4e0",
      "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": "2026-09-26",
      "occurred_at": "2026-09-26 00:04:56.462735+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-cnpj-br/cnpj-br-mcp#chg-chg_01a0db07-7eec-7d82-8984-fa6118c6b4e0"
    },
    {
      "id": "chg_01a09475-a84c-7ef5-be1a-43049ebfda8d",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 07:12:13.831232+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a09475-a84c-7ef5-be1a-43049ebfda8d"
    },
    {
      "id": "chg_01a09475-a84d-7795-ac8c-a6ac576eeb69",
      "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": "32",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-12",
      "occurred_at": "2026-09-12 07:12:13.831232+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a09475-a84d-7795-ac8c-a6ac576eeb69"
    },
    {
      "id": "chg_01a09475-a84d-7c80-9e59-d8218a1bb72f",
      "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": "2026-09-12",
      "occurred_at": "2026-09-12 07:12:13.831232+00",
      "observed_since": "2026-09-11",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a09475-a84d-7c80-9e59-d8218a1bb72f"
    },
    {
      "id": "chg_01a08f4f-6498-7b32-9b41-0b8df3b9f975",
      "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 07:12:19.920866+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-cnpj-br/cnpj-br-mcp#chg-chg_01a08f4f-6498-7b32-9b41-0b8df3b9f975"
    },
    {
      "id": "chg_01a08f4f-6499-798f-91e3-83c0afffc6d2",
      "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 07:12:19.920866+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-cnpj-br/cnpj-br-mcp#chg-chg_01a08f4f-6499-798f-91e3-83c0afffc6d2"
    },
    {
      "id": "chg_01a08f4f-649d-71fd-a0ee-8f55d05e339a",
      "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 07:12:19.920866+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-cnpj-br/cnpj-br-mcp#chg-chg_01a08f4f-649d-71fd-a0ee-8f55d05e339a"
    },
    {
      "id": "chg_01a08f4f-649d-792f-b49d-09f1001ac0f5",
      "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 07:12:19.920866+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-cnpj-br/cnpj-br-mcp#chg-chg_01a08f4f-649d-792f-b49d-09f1001ac0f5"
    },
    {
      "id": "chg_01a08f4f-649d-7e9d-8fe7-df95c49d9525",
      "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 07:12:19.920866+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-cnpj-br/cnpj-br-mcp#chg-chg_01a08f4f-649d-7e9d-8fe7-df95c49d9525"
    },
    {
      "id": "chg_01a08a28-6a31-78ee-8b23-a2d6d7801cb4",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 07:11:39.328585+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Authorization (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a08a28-6a31-78ee-8b23-a2d6d7801cb4"
    },
    {
      "id": "chg_01a08a28-6a32-7d84-b3b4-c678e73d4eb1",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 07:11:39.328585+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a08a28-6a32-7d84-b3b4-c678e73d4eb1"
    },
    {
      "id": "chg_01a08a28-6a33-743f-8a38-4d38cf436f7b",
      "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": "2026-09-10",
      "occurred_at": "2026-09-10 07:11:39.328585+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a08a28-6a33-743f-8a38-4d38cf436f7b"
    },
    {
      "id": "chg_01a08502-0f24-7be7-8a38-48c68c2d6fd1",
      "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": "32",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 07:11:39.749149+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a08502-0f24-7be7-8a38-48c68c2d6fd1"
    },
    {
      "id": "chg_01a08502-0f25-76df-90e4-ca0124947bf3",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 07:11:39.749149+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a08502-0f25-76df-90e4-ca0124947bf3"
    },
    {
      "id": "chg_01a08502-0f25-7cec-a34c-913ffe02fb3f",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive_unverified",
      "to_code": "auth.none_unlisted",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 07:11:39.749149+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn't read the whole tool list to see what that exposes.)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a08502-0f25-7cec-a34c-913ffe02fb3f"
    },
    {
      "id": "chg_01a07fe0-2776-7711-a9a5-0cc03edb9b03",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_destructive_unverified",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 07:16:31.445318+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a07fe0-2776-7711-a9a5-0cc03edb9b03"
    },
    {
      "id": "chg_01a07fe0-2777-7b7e-9726-616b9792832a",
      "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 07:16:31.445318+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-cnpj-br/cnpj-br-mcp#chg-chg_01a07fe0-2777-7b7e-9726-616b9792832a"
    },
    {
      "id": "chg_01a07fe0-277a-74fa-b395-59e655ec1255",
      "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 07:16:31.445318+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-cnpj-br/cnpj-br-mcp#chg-chg_01a07fe0-277a-74fa-b395-59e655ec1255"
    },
    {
      "id": "chg_01a07fe0-277c-74a0-9830-fc6b0c61d38c",
      "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 07:16:31.445318+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-cnpj-br/cnpj-br-mcp#chg-chg_01a07fe0-277c-74a0-9830-fc6b0c61d38c"
    },
    {
      "id": "chg_01a07fe0-277c-7a00-886f-f48d81244cb7",
      "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 07:16:31.445318+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-cnpj-br/cnpj-br-mcp#chg-chg_01a07fe0-277c-7a00-886f-f48d81244cb7"
    },
    {
      "id": "chg_01a07fe0-277c-7f2c-b29e-e7ff8e68cbe9",
      "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 07:16:31.445318+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-cnpj-br/cnpj-br-mcp#chg-chg_01a07fe0-277c-7f2c-b29e-e7ff8e68cbe9"
    },
    {
      "id": "chg_01a07ab9-1f4b-7e2a-8a6c-011681a530e9",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 07:15:47.465203+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a07ab9-1f4b-7e2a-8a6c-011681a530e9"
    },
    {
      "id": "chg_01a07ab9-1f4d-7618-8c23-ab83e35d4b75",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 07:15:47.465203+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a07ab9-1f4d-7618-8c23-ab83e35d4b75"
    },
    {
      "id": "chg_01a07ab9-1f4d-7bf8-bb0a-57be3387caf6",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 07:15:47.465203+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a07ab9-1f4d-7bf8-bb0a-57be3387caf6"
    },
    {
      "id": "chg_01a0758d-dec3-7dcc-b637-d432435070fc",
      "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": "32",
        "auth_transport": "0"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 07:10:26.912288+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a0758d-dec3-7dcc-b637-d432435070fc"
    },
    {
      "id": "chg_01a0758d-dec4-7df7-9d37-ba968d2589ea",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 07:10:26.912288+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Authorization (fail → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a0758d-dec4-7df7-9d37-ba968d2589ea"
    },
    {
      "id": "chg_01a0758d-dec5-7521-82a7-ecbfcdaa439f",
      "kind": "check.unverifiable",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.injection_clean",
      "to_code": "toolsafety.unreachable",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 07:10:26.912288+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a0758d-dec5-7521-82a7-ecbfcdaa439f"
    },
    {
      "id": "chg_01a07067-fb31-7b25-a2b2-07473ca96b48",
      "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 07:10:56.835027+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-cnpj-br/cnpj-br-mcp#chg-chg_01a07067-fb31-7b25-a2b2-07473ca96b48"
    },
    {
      "id": "chg_01a07067-fb36-700a-bbd2-f69df57690b6",
      "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 07:10:56.835027+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-cnpj-br/cnpj-br-mcp#chg-chg_01a07067-fb36-700a-bbd2-f69df57690b6"
    },
    {
      "id": "chg_01a07067-fb38-797a-9e03-0604bfc2e32e",
      "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 07:10:56.835027+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-cnpj-br/cnpj-br-mcp#chg-chg_01a07067-fb38-797a-9e03-0604bfc2e32e"
    },
    {
      "id": "chg_01a07067-fb39-7a13-9f5c-506307a9d9f1",
      "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 07:10:56.835027+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-cnpj-br/cnpj-br-mcp#chg-chg_01a07067-fb39-7a13-9f5c-506307a9d9f1"
    },
    {
      "id": "chg_01a07067-fb3b-7aca-a60a-37cd51607f46",
      "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 07:10:56.835027+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-cnpj-br/cnpj-br-mcp#chg-chg_01a07067-fb3b-7aca-a60a-37cd51607f46"
    },
    {
      "id": "chg_01a06b41-577f-7edf-be54-50b2041dca35",
      "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 07:10:39.277606+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-cnpj-br/cnpj-br-mcp#chg-chg_01a06b41-577f-7edf-be54-50b2041dca35"
    },
    {
      "id": "chg_01a06b41-5781-7868-bfce-6eb1636b29b7",
      "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 07:10:39.277606+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-cnpj-br/cnpj-br-mcp#chg-chg_01a06b41-5781-7868-bfce-6eb1636b29b7"
    },
    {
      "id": "chg_01a06b41-5782-7a82-8a1d-39b6a4acb1fd",
      "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 07:10:39.277606+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-cnpj-br/cnpj-br-mcp#chg-chg_01a06b41-5782-7a82-8a1d-39b6a4acb1fd"
    },
    {
      "id": "chg_01a06b41-5783-71be-9151-0237c0df46c3",
      "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 07:10:39.277606+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-cnpj-br/cnpj-br-mcp#chg-chg_01a06b41-5783-71be-9151-0237c0df46c3"
    },
    {
      "id": "chg_01a06b41-5783-77b3-bc80-eb97f8e5d55e",
      "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 07:10:39.277606+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-cnpj-br/cnpj-br-mcp#chg-chg_01a06b41-5783-77b3-bc80-eb97f8e5d55e"
    },
    {
      "id": "chg_01a06b41-5785-79ba-8bba-bf8d687d5613",
      "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 07:10:39.277606+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-cnpj-br/cnpj-br-mcp#chg-chg_01a06b41-5785-79ba-8bba-bf8d687d5613"
    },
    {
      "id": "chg_01a06615-6fda-77ba-9e96-341225355366",
      "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": "2026-09-03",
      "occurred_at": "2026-09-03 07:04:35.899337+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a06615-6fda-77ba-9e96-341225355366"
    },
    {
      "id": "chg_01a06615-6fdb-709e-b059-0e03c5b268bf",
      "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 07:04:35.899337+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-cnpj-br/cnpj-br-mcp#chg-chg_01a06615-6fdb-709e-b059-0e03c5b268bf"
    },
    {
      "id": "chg_01a06615-6fdb-7686-a33d-456f9eee672d",
      "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 07:04:35.899337+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-cnpj-br/cnpj-br-mcp#chg-chg_01a06615-6fdb-7686-a33d-456f9eee672d"
    },
    {
      "id": "chg_01a06615-6fdb-7ba6-a335-3d55dbbebaf1",
      "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 07:04:35.899337+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-cnpj-br/cnpj-br-mcp#chg-chg_01a06615-6fdb-7ba6-a335-3d55dbbebaf1"
    },
    {
      "id": "chg_01a06615-6fdc-7141-89cb-62a74d9aa890",
      "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 07:04:35.899337+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-cnpj-br/cnpj-br-mcp#chg-chg_01a06615-6fdc-7141-89cb-62a74d9aa890"
    },
    {
      "id": "chg_01a06615-6fdc-76b8-b35d-ba60701076ce",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_kalshi_spread"
      },
      "occurred_on": "2026-09-03",
      "occurred_at": "2026-09-03 07:04:35.899337+00",
      "observed_since": "2026-09-02",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a06615-6fdc-76b8-b35d-ba60701076ce"
    },
    {
      "id": "chg_01a06615-6fdc-7b88-8f2d-6d1a2c3606ae",
      "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 07:04:35.899337+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-cnpj-br/cnpj-br-mcp#chg-chg_01a06615-6fdc-7b88-8f2d-6d1a2c3606ae"
    },
    {
      "id": "chg_01a060ee-c03a-789b-9935-c3d252155e1f",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 07:04:14.515622+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a060ee-c03a-789b-9935-c3d252155e1f"
    },
    {
      "id": "chg_01a060ee-c03b-76d1-9832-9e1e0537120f",
      "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 07:04:14.515622+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-cnpj-br/cnpj-br-mcp#chg-chg_01a060ee-c03b-76d1-9832-9e1e0537120f"
    },
    {
      "id": "chg_01a060ee-c03b-7e43-b381-5f7d79d2a826",
      "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 07:04:14.515622+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-cnpj-br/cnpj-br-mcp#chg-chg_01a060ee-c03b-7e43-b381-5f7d79d2a826"
    },
    {
      "id": "chg_01a060ee-c03c-760e-a848-36fa3dacf7e2",
      "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 07:04:14.515622+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-cnpj-br/cnpj-br-mcp#chg-chg_01a060ee-c03c-760e-a848-36fa3dacf7e2"
    },
    {
      "id": "chg_01a060ee-c03c-7b12-aae8-86083e176381",
      "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 07:04:14.515622+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-cnpj-br/cnpj-br-mcp#chg-chg_01a060ee-c03c-7b12-aae8-86083e176381"
    },
    {
      "id": "chg_01a060ee-c03d-70c8-94ab-2c1dbd8e9435",
      "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 07:04:14.515622+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-cnpj-br/cnpj-br-mcp#chg-chg_01a060ee-c03d-70c8-94ab-2c1dbd8e9435"
    },
    {
      "id": "chg_01a060ee-c03d-7cfa-bf87-e0c741031b61",
      "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 07:04:14.515622+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-cnpj-br/cnpj-br-mcp#chg-chg_01a060ee-c03d-7cfa-bf87-e0c741031b61"
    },
    {
      "id": "chg_01a05bc8-5995-74f2-8b63-001de4ce7915",
      "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": "2026-09-01",
      "occurred_at": "2026-09-01 07:04:11.901497+00",
      "observed_since": "2026-08-31",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a05bc8-5995-74f2-8b63-001de4ce7915"
    },
    {
      "id": "chg_01a05bc8-5996-7219-aec8-ed997c990cba",
      "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 07:04:11.901497+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-cnpj-br/cnpj-br-mcp#chg-chg_01a05bc8-5996-7219-aec8-ed997c990cba"
    },
    {
      "id": "chg_01a05bc8-5996-7888-ab4a-4fa7895fc5ba",
      "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 07:04:11.901497+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-cnpj-br/cnpj-br-mcp#chg-chg_01a05bc8-5996-7888-ab4a-4fa7895fc5ba"
    },
    {
      "id": "chg_01a05bc8-5996-7d22-8b57-b321ef0da024",
      "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 07:04:11.901497+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-cnpj-br/cnpj-br-mcp#chg-chg_01a05bc8-5996-7d22-8b57-b321ef0da024"
    },
    {
      "id": "chg_01a05bc8-5997-7661-8908-dafa8f3038f4",
      "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 07:04:11.901497+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-cnpj-br/cnpj-br-mcp#chg-chg_01a05bc8-5997-7661-8908-dafa8f3038f4"
    },
    {
      "id": "chg_01a05bc8-5997-7b6e-acaf-2c60a4e4b568",
      "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 07:04:11.901497+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-cnpj-br/cnpj-br-mcp#chg-chg_01a05bc8-5997-7b6e-acaf-2c60a4e4b568"
    },
    {
      "id": "chg_01a056a2-6697-7a5c-a09d-99583e36a6df",
      "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 07:04:38.620057+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-cnpj-br/cnpj-br-mcp#chg-chg_01a056a2-6697-7a5c-a09d-99583e36a6df"
    },
    {
      "id": "chg_01a056a2-6699-708c-9d42-1a3be4e9157d",
      "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 07:04:38.620057+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-cnpj-br/cnpj-br-mcp#chg-chg_01a056a2-6699-708c-9d42-1a3be4e9157d"
    },
    {
      "id": "chg_01a056a2-6699-76e1-a8d7-43807a8261a2",
      "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 07:04:38.620057+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-cnpj-br/cnpj-br-mcp#chg-chg_01a056a2-6699-76e1-a8d7-43807a8261a2"
    },
    {
      "id": "chg_01a056a2-6699-7dd0-a192-a874d6d0fb40",
      "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 07:04:38.620057+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-cnpj-br/cnpj-br-mcp#chg-chg_01a056a2-6699-7dd0-a192-a874d6d0fb40"
    },
    {
      "id": "chg_01a056a2-669a-73ac-90ef-dc057db99115",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "polymarket_kalshi_spread",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "polymarket_kalshi_spread"
      },
      "occurred_on": "2026-08-31",
      "occurred_at": "2026-08-31 07:04:38.620057+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Tool “polymarket_kalshi_spread” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a056a2-669a-73ac-90ef-dc057db99115"
    },
    {
      "id": "chg_01a056a2-669a-7823-8d1f-91c267ed0ee3",
      "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 07:04:38.620057+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-cnpj-br/cnpj-br-mcp#chg-chg_01a056a2-669a-7823-8d1f-91c267ed0ee3"
    },
    {
      "id": "chg_01a04c55-5fa2-7678-84a7-91712d98293c",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_destructive",
      "to_code": "auth.rfc9728_invoke",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 07:04:18.542145+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Authorization (fail → pass)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a04c55-5fa2-7678-84a7-91712d98293c"
    },
    {
      "id": "chg_01a04c55-5fa2-7e14-bc50-9bc91454e93f",
      "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 07:04:18.542145+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-cnpj-br/cnpj-br-mcp#chg-chg_01a04c55-5fa2-7e14-bc50-9bc91454e93f"
    },
    {
      "id": "chg_01a04c55-5fa3-7454-929f-ad692cddc82c",
      "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 07:04:18.542145+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-cnpj-br/cnpj-br-mcp#chg-chg_01a04c55-5fa3-7454-929f-ad692cddc82c"
    },
    {
      "id": "chg_01a04c55-5fa3-79dd-9f60-81af3835f92e",
      "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 07:04:18.542145+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-cnpj-br/cnpj-br-mcp#chg-chg_01a04c55-5fa3-79dd-9f60-81af3835f92e"
    },
    {
      "id": "chg_01a04c55-5fa3-7f08-9d5d-4e4b8853edcd",
      "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 07:04:18.542145+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-cnpj-br/cnpj-br-mcp#chg-chg_01a04c55-5fa3-7f08-9d5d-4e4b8853edcd"
    },
    {
      "id": "chg_01a04c55-5fa4-7517-a8af-585b0ac88dd6",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 07:04:18.542145+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a04c55-5fa4-7517-a8af-585b0ac88dd6"
    },
    {
      "id": "chg_01a0472f-2d3a-7bd2-8c0e-a692901ea575",
      "kind": "check.verdict",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728_invoke",
      "to_code": "auth.none_destructive",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "critical",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "tool": "forget"
      },
      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 07:04:29.078522+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Authorization (pass → fail)",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a0472f-2d3a-7bd2-8c0e-a692901ea575"
    },
    {
      "id": "chg_01a04208-a03c-73d3-9573-88c55911b417",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 07:04:16.620422+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a04208-a03c-73d3-9573-88c55911b417"
    },
    {
      "id": "chg_01a04208-a03c-7a8d-849d-89e4ddf80089",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_beta"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 07:04:16.620422+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a04208-a03c-7a8d-849d-89e4ddf80089"
    },
    {
      "id": "chg_01a04208-a03c-7f0c-95ee-53291ac9a60c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "ask_pipeworx_grounded",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "ask_pipeworx_grounded"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 07:04:16.620422+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “ask_pipeworx_grounded” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a04208-a03c-7f0c-95ee-53291ac9a60c"
    },
    {
      "id": "chg_01a04208-a03f-73b0-b32c-c0bb7908e797",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "deep_research",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "deep_research"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 07:04:16.620422+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool “deep_research” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a04208-a03f-73b0-b32c-c0bb7908e797"
    },
    {
      "id": "chg_01a04208-a040-714b-84cd-da48553bc27c",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 07:04:16.620422+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/pipeworx-io-cnpj-br/cnpj-br-mcp#chg-chg_01a04208-a040-714b-84cd-da48553bc27c"
    }
  ],
  "days": [
    {
      "date": "2026-10-04",
      "total": 30,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-03",
      "total": 30,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-02",
      "total": 30,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-10-01",
      "total": 30,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-30",
      "total": 30,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-29",
      "total": 30,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-28",
      "total": 30,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-27",
      "total": 30,
      "delta": -57,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 6
    }
  ]
}