{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "mcp-dir-receita-federal-situacao-mcp",
  "component": "p-receita-federal-situacao",
  "generated_at": "2026-09-25T17:20:44.010Z",
  "tracking_since": "2026-08-19",
  "counts": {
    "critical": 0,
    "security": 29,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0b2ed-8930-752e-baa9-82db42b6e6be",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.stable",
      "from_value": "0.97",
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-18",
      "occurred_at": "2026-09-18 05:11:46.292336+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a0b2ed-8930-752e-baa9-82db42b6e6be"
    },
    {
      "id": "chg_01a09e53-ae2c-7000-a533-bfc065066279",
      "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 05:11:19.196992+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/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a09e53-ae2c-7000-a533-bfc065066279"
    },
    {
      "id": "chg_01a089ba-5143-79d0-913d-4df61ec990f0",
      "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 05:11:24.095101+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/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a089ba-5143-79d0-913d-4df61ec990f0"
    },
    {
      "id": "chg_01a08493-d5b9-7032-aa7f-b25504143c00",
      "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 05:11:16.107988+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/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a08493-d5b9-7032-aa7f-b25504143c00"
    },
    {
      "id": "chg_01a07a47-c4bc-76b6-a6f0-e699cfa3a744",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 05:11:58.701726+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a07a47-c4bc-76b6-a6f0-e699cfa3a744"
    },
    {
      "id": "chg_01a07520-5e5b-76d3-81cb-79159216f77b",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 05:10:50.578519+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a07520-5e5b-76d3-81cb-79159216f77b"
    },
    {
      "id": "chg_01a06ffa-0ea3-79b3-ac8c-46453173b2f8",
      "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 05:10:53.682353+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/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a06ffa-0ea3-79b3-ac8c-46453173b2f8"
    },
    {
      "id": "chg_01a065ad-660a-7795-8b16-fc4282d23a56",
      "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 05:10:57.696246+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/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a065ad-660a-7795-8b16-fc4282d23a56"
    },
    {
      "id": "chg_01a06087-603b-7e47-9625-7373f2d7d93e",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_no_destructive",
      "from_value": "unverified",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-02",
      "occurred_at": "2026-09-02 05:11:19.661052+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a06087-603b-7e47-9625-7373f2d7d93e"
    },
    {
      "id": "chg_01a06087-603f-7028-8ba4-ba657ca7eb64",
      "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": "2026-09-02",
      "occurred_at": "2026-09-02 05:11:19.661052+00",
      "observed_since": "2026-09-01",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a06087-603f-7028-8ba4-ba657ca7eb64"
    },
    {
      "id": "chg_01a0419f-23a8-7b5c-8263-d7440ce99a2a",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.23",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "8",
        "added": "0",
        "breaks": "0",
        "removed": "7",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 05:09:03.438178+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Stability (0.23 → fail)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a0419f-23a8-7b5c-8263-d7440ce99a2a"
    },
    {
      "id": "chg_01a0419f-23ab-78c1-8623-f23c985eb052",
      "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": "2026-08-27",
      "occurred_at": "2026-08-27 05:09:03.438178+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a0419f-23ab-78c1-8623-f23c985eb052"
    },
    {
      "id": "chg_01a0419f-23ac-7128-8339-80c8749be126",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_no_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "partial",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 05:09:03.438178+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a0419f-23ac-7128-8339-80c8749be126"
    },
    {
      "id": "chg_01a03752-7f25-7036-ab33-d1b6e788460e",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_no_destructive",
      "from_value": "unverified",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 05:09:08.39322+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a03752-7f25-7036-ab33-d1b6e788460e"
    },
    {
      "id": "chg_01a0322c-218f-750d-99c8-8037b540bd5a",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.13",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "5",
        "added": "0",
        "breaks": "0",
        "removed": "7",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 05:09:07.944001+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Stability (0.13 → fail)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a0322c-218f-750d-99c8-8037b540bd5a"
    },
    {
      "id": "chg_01a0322c-2191-70b5-8d28-1db36b5bb322",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_no_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "partial",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 05:09:07.944001+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a0322c-2191-70b5-8d28-1db36b5bb322"
    },
    {
      "id": "chg_01a02d05-8b03-7b85-ac83-4481975ca112",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_no_destructive",
      "from_value": "unverified",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-23",
      "occurred_at": "2026-08-23 05:08:53.060481+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a02d05-8b03-7b85-ac83-4481975ca112"
    },
    {
      "id": "chg_01a027df-0b0a-792c-b409-af6fa6625e79",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_no_destructive",
      "to_code": "auth.none_unlisted",
      "from_value": "partial",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 05:08:43.830528+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a027df-0b0a-792c-b409-af6fa6625e79"
    },
    {
      "id": "chg_01a027df-0b0b-7a4c-a93a-d5a6412a1ec7",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.07",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "3",
        "added": "0",
        "breaks": "0",
        "removed": "7",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 05:08:43.830528+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Stability (0.07 → fail)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a027df-0b0b-7a4c-a93a-d5a6412a1ec7"
    },
    {
      "id": "chg_01a022b8-aa4a-758a-9086-5839128edbac",
      "kind": "check.reverified",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.inconclusive",
      "to_code": "headers.hsts_absent",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 05:08:42.595084+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "HSTS header (unverified → fail)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a022b8-aa4a-758a-9086-5839128edbac"
    },
    {
      "id": "chg_01a022b8-aa4c-77f6-a31f-b1f9c9ec7013",
      "kind": "check.unverifiable",
      "family": "https",
      "subject_kind": "check",
      "subject": "https",
      "subject_child": "",
      "from_code": "https.enforced",
      "to_code": "https.inconclusive",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "reason": "plaintext_status",
        "status": "406"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 05:08:42.595084+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "HTTPS (pass → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a022b8-aa4c-77f6-a31f-b1f9c9ec7013"
    },
    {
      "id": "chg_01a022b8-aa4c-7ced-8362-60292c7a2396",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.unreachable",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 05:08:42.595084+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a022b8-aa4c-7ced-8362-60292c7a2396"
    },
    {
      "id": "chg_01a022b8-aa4d-713b-87b7-549065a34b93",
      "kind": "check.reverified",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.unreachable",
      "to_code": "auth.none_no_destructive",
      "from_value": "unverified",
      "to_value": "partial",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 05:08:42.595084+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a022b8-aa4d-713b-87b7-549065a34b93"
    },
    {
      "id": "chg_01a022b8-aa4d-7a1f-bda5-8dab8f810311",
      "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": "2026-08-21",
      "occurred_at": "2026-08-21 05:08:42.595084+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a022b8-aa4d-7a1f-bda5-8dab8f810311"
    },
    {
      "id": "chg_01a01d94-ab4f-7d1e-a6b5-f886a598b782",
      "kind": "check.unverifiable",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_absent",
      "to_code": "headers.inconclusive",
      "from_value": "fail",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 05:11:17.476719+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "HSTS header (fail → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a01d94-ab4f-7d1e-a6b5-f886a598b782"
    },
    {
      "id": "chg_01a01d94-ab50-79d4-a6ce-457ef12c07bf",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_no_destructive",
      "to_code": "auth.unreachable",
      "from_value": "partial",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 05:11:17.476719+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a01d94-ab50-79d4-a6ce-457ef12c07bf"
    },
    {
      "id": "chg_01a01d94-ab50-7ef1-ac5c-9f9d77de04ff",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.unreachable",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 05:11:17.476719+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a01d94-ab50-7ef1-ac5c-9f9d77de04ff"
    },
    {
      "id": "chg_01a01d94-ab51-760a-b136-689786367ccc",
      "kind": "check.reverified",
      "family": "https",
      "subject_kind": "check",
      "subject": "https",
      "subject_child": "",
      "from_code": "https.inconclusive",
      "to_code": "https.enforced",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-20",
      "occurred_at": "2026-08-20 05:11:17.476719+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "HTTPS (unverified → pass)",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a01d94-ab51-760a-b136-689786367ccc"
    },
    {
      "id": "chg_01a01d94-ab52-7c0d-842b-f813d45868f3",
      "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": "2026-08-20",
      "occurred_at": "2026-08-20 05:11:17.476719+00",
      "observed_since": "2026-08-19",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-receita-federal-situacao-mcp/p-receita-federal-situacao#chg-chg_01a01d94-ab52-7c0d-842b-f813d45868f3"
    }
  ],
  "days": [
    {
      "date": "2026-09-25",
      "total": 76,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-18",
      "total": 76,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-17",
      "total": 76,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 93,
        "to": 97,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 28,
          "to_days": 29
        },
        "partial": false,
        "compared_to": "2026-09-16",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-14",
      "total": 75,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-12",
      "total": 74,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 77,
        "to": 80,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 23,
          "to_days": 24
        },
        "partial": false,
        "compared_to": "2026-09-11",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 77 to 80. That category is still filling its 30-day observation window: 23 days of observed history at the previous scan, 24 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-10",
      "total": 73,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-09",
      "total": 72,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-08",
      "total": 72,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 63,
        "to": 67,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 19,
          "to_days": 20
        },
        "partial": false,
        "compared_to": "2026-09-07",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 63 to 67. That category is still filling its 30-day observation window: 19 days of observed history at the previous scan, 20 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}