{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "mcp-dir-mercado-mcp",
  "component": "p-mercado",
  "generated_at": "2026-09-25T15:21:18.747Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 54,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0c28f-6fd6-7759-a8c1-4f6e07b42713",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
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      "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": "2026-09-21",
      "occurred_at": "2026-09-21 06:02:54.307782+00",
      "observed_since": "2026-09-20",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a0c28f-6fd6-7759-a8c1-4f6e07b42713"
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    {
      "id": "chg_01a09e83-ffa3-7d55-b110-25650876906b",
      "kind": "server.instructions_changed",
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      "subject_kind": "server",
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-14",
      "occurred_at": "2026-09-14 06:04:05.690529+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-mercado-mcp/p-mercado#chg-chg_01a09e83-ffa3-7d55-b110-25650876906b"
    },
    {
      "id": "chg_01a089eb-39e0-7192-ae64-6d8788428c45",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
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      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 06:04:49.374165+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-mercado-mcp/p-mercado#chg-chg_01a089eb-39e0-7192-ae64-6d8788428c45"
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    {
      "id": "chg_01a084c5-3c9a-7008-a6a9-34edb397fe7c",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
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      "from_code": null,
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      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 06:05:13.69903+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-mercado-mcp/p-mercado#chg-chg_01a084c5-3c9a-7008-a6a9-34edb397fe7c"
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    {
      "id": "chg_01a07a79-098f-7c8a-9ec1-43d587c7ce0c",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "from_code": null,
      "to_code": null,
      "from_value": null,
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      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 06:05:47.656802+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-mercado-mcp/p-mercado#chg-chg_01a07a79-098f-7c8a-9ec1-43d587c7ce0c"
    },
    {
      "id": "chg_01a07552-f70c-776a-9afd-cf6825e20511",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
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      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 06:06:06.420934+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-mercado-mcp/p-mercado#chg-chg_01a07552-f70c-776a-9afd-cf6825e20511"
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    {
      "id": "chg_01a0702c-dd76-7880-a8c1-e1eb9cfb38ff",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "instructions",
      "subject_child": "",
      "from_code": null,
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      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 06:06:23.431399+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-mercado-mcp/p-mercado#chg-chg_01a0702c-dd76-7880-a8c1-e1eb9cfb38ff"
    },
    {
      "id": "chg_01a065e0-0fae-78c9-8bcf-bf4758d7cf7e",
      "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 06:06:17.866294+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-mercado-mcp/p-mercado#chg-chg_01a065e0-0fae-78c9-8bcf-bf4758d7cf7e"
    },
    {
      "id": "chg_01a060b9-5b86-7a3c-8476-347d813f31ff",
      "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 06:05:55.336534+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/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a060b9-5b86-7a3c-8476-347d813f31ff"
    },
    {
      "id": "chg_01a05b92-febe-74c0-97d9-47c8738a9ef5",
      "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 06:05:55.225364+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/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a05b92-febe-74c0-97d9-47c8738a9ef5"
    },
    {
      "id": "chg_01a0566c-5c74-7e03-a330-43e88ed758c5",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 06:05:36.975755+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a0566c-5c74-7e03-a330-43e88ed758c5"
    },
    {
      "id": "chg_01a0566c-5c76-7064-8a86-399698c33993",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 06:05:36.975755+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a0566c-5c76-7064-8a86-399698c33993"
    },
    {
      "id": "chg_01a0566c-5c76-7826-876b-d4d1a564add1",
      "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": "2026-08-31",
      "occurred_at": "2026-08-31 06:05:36.975755+00",
      "observed_since": "2026-08-30",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a0566c-5c76-7826-876b-d4d1a564add1"
    },
    {
      "id": "chg_01a04c1f-f4d3-7611-828f-519e23b4c48f",
      "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": "12",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-29",
      "occurred_at": "2026-08-29 06:05:57.802606+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a04c1f-f4d3-7611-828f-519e23b4c48f"
    },
    {
      "id": "chg_01a04c1f-f4d4-7996-a188-14c3c2d93226",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 06:05:57.802606+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a04c1f-f4d4-7996-a188-14c3c2d93226"
    },
    {
      "id": "chg_01a04c1f-f4d4-7e04-bcd4-baf74689b050",
      "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": "2026-08-29",
      "occurred_at": "2026-08-29 06:05:57.802606+00",
      "observed_since": "2026-08-28",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a04c1f-f4d4-7e04-bcd4-baf74689b050"
    },
    {
      "id": "chg_01a046f9-6ba8-7012-98df-a26cb56e86c3",
      "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": "2026-08-28",
      "occurred_at": "2026-08-28 06:05:46.003617+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a046f9-6ba8-7012-98df-a26cb56e86c3"
    },
    {
      "id": "chg_01a046f9-6bab-7087-989d-226493c76e6e",
      "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": "2026-08-28",
      "occurred_at": "2026-08-28 06:05:46.003617+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a046f9-6bab-7087-989d-226493c76e6e"
    },
    {
      "id": "chg_01a046f9-6bab-791f-bf25-c28e78c513d2",
      "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": "2026-08-28",
      "occurred_at": "2026-08-28 06:05:46.003617+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a046f9-6bab-791f-bf25-c28e78c513d2"
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    {
      "id": "chg_01a041d2-f057-767c-a42c-7fee77b315d9",
      "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": "12",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 06:05:38.206221+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Stability (pass → fail)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a041d2-f057-767c-a42c-7fee77b315d9"
    },
    {
      "id": "chg_01a041d2-f05b-77aa-a347-005fd89a9cd8",
      "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 06:05:38.206221+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a041d2-f05b-77aa-a347-005fd89a9cd8"
    },
    {
      "id": "chg_01a041d2-f05c-7f19-8a92-c43110aad330",
      "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 06:05:38.206221+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a041d2-f05c-7f19-8a92-c43110aad330"
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    {
      "id": "chg_01a03786-7ee7-78a9-9cb2-63f4a34b8b9d",
      "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 06:05:56.216184+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a03786-7ee7-78a9-9cb2-63f4a34b8b9d"
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    {
      "id": "chg_01a03786-7ee8-7a32-8119-a41bfc9d5ce8",
      "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": "2026-08-25",
      "occurred_at": "2026-08-25 06:05:56.216184+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (fail → pass)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a03786-7ee8-7a32-8119-a41bfc9d5ce8"
    },
    {
      "id": "chg_01a0325f-cff6-7c5e-a733-7bc59a66fa0c",
      "kind": "check.verdict",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.churn",
      "from_value": "0.93",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "29",
        "added": "0",
        "breaks": "0",
        "removed": "12",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 06:05:34.949317+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Stability (0.93 → fail)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a0325f-cff6-7c5e-a733-7bc59a66fa0c"
    },
    {
      "id": "chg_01a0325f-cff8-7c9a-bf2c-6d61c4ea868b",
      "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 06:05:34.949317+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a0325f-cff8-7c9a-bf2c-6d61c4ea868b"
    },
    {
      "id": "chg_01a02d39-6f78-7dbb-92d2-11d152153515",
      "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 06:05:33.860684+00",
      "observed_since": "2026-08-22",
      "source": "scan",
      "summary": "Authorization (unverified → partial)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a02d39-6f78-7dbb-92d2-11d152153515"
    },
    {
      "id": "chg_01a02812-7546-75c5-abcb-78848f915160",
      "kind": "check.reverified",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.churn",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "days": "27",
        "added": "0",
        "breaks": "0",
        "removed": "12",
        "auth_transport": "0"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 06:04:53.241869+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Stability (unverified → fail)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a02812-7546-75c5-abcb-78848f915160"
    },
    {
      "id": "chg_01a022ec-53bc-72d7-90e5-7eb5ec041bef",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.83",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 06:05:08.248154+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Stability (0.83 → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a022ec-53bc-72d7-90e5-7eb5ec041bef"
    },
    {
      "id": "chg_01a022ec-53be-72da-a152-33535fc6a077",
      "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": "2026-08-21",
      "occurred_at": "2026-08-21 06:05:08.248154+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a022ec-53be-72da-a152-33535fc6a077"
    },
    {
      "id": "chg_01a022ec-53c0-71a9-bb63-d03abb0f5c84",
      "kind": "capture.status_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "capture",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "verified",
      "to_value": "not_mcp",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "to": "not_mcp",
        "from": "verified"
      },
      "occurred_on": "2026-08-21",
      "occurred_at": "2026-08-21 06:05:08.248154+00",
      "observed_since": "2026-08-20",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a022ec-53c0-71a9-bb63-d03abb0f5c84"
    },
    {
      "id": "chg_01a01dc5-feea-72b1-80d0-e0b5d3021608",
      "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 06:05:10.14034+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-mercado-mcp/p-mercado#chg-chg_01a01dc5-feea-72b1-80d0-e0b5d3021608"
    },
    {
      "id": "chg_01a0189f-6f85-787f-ad68-b64705912a19",
      "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": "2026-08-19",
      "occurred_at": "2026-08-19 06:04:56.960221+00",
      "observed_since": "2026-08-18",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a0189f-6f85-787f-ad68-b64705912a19"
    },
    {
      "id": "chg_01a01379-1008-7e14-9dde-2384f4051fd7",
      "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": "2026-08-18",
      "occurred_at": "2026-08-18 06:04:56.049544+00",
      "observed_since": "2026-08-17",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a01379-1008-7e14-9dde-2384f4051fd7"
    },
    {
      "id": "chg_01a00e52-b4d3-79e2-ad39-2ce00b236df9",
      "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": "2026-08-17",
      "occurred_at": "2026-08-17 06:04:56.293464+00",
      "observed_since": "2026-08-16",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a00e52-b4d3-79e2-ad39-2ce00b236df9"
    },
    {
      "id": "chg_01a0092c-4538-7f0c-a9eb-91697191f63b",
      "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": "2026-08-16",
      "occurred_at": "2026-08-16 06:04:51.262233+00",
      "observed_since": "2026-08-15",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a0092c-4538-7f0c-a9eb-91697191f63b"
    },
    {
      "id": "chg_01a00405-f152-7bbf-b30f-484dc46f477f",
      "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": "2026-08-15",
      "occurred_at": "2026-08-15 06:04:53.441863+00",
      "observed_since": "2026-08-14",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_01a00405-f152-7bbf-b30f-484dc46f477f"
    },
    {
      "id": "chg_019ffedf-9262-78f5-9709-b9060f840157",
      "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": "2026-08-14",
      "occurred_at": "2026-08-14 06:04:52.599373+00",
      "observed_since": "2026-08-13",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019ffedf-9262-78f5-9709-b9060f840157"
    },
    {
      "id": "chg_019ff9b9-3e15-734e-b62a-d9b654e3488e",
      "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": "2026-08-13",
      "occurred_at": "2026-08-13 06:04:54.558986+00",
      "observed_since": "2026-08-12",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019ff9b9-3e15-734e-b62a-d9b654e3488e"
    },
    {
      "id": "chg_019ff492-e980-7d6c-9694-64e7e24c3190",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "toolkit_info",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "toolkit_info"
      },
      "occurred_on": "2026-08-12",
      "occurred_at": "2026-08-12 06:04:56.56331+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "Tool “toolkit_info” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019ff492-e980-7d6c-9694-64e7e24c3190"
    },
    {
      "id": "chg_019ff492-e982-70d2-8af5-8cd919ffb5d9",
      "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": "2026-08-12",
      "occurred_at": "2026-08-12 06:04:56.56331+00",
      "observed_since": "2026-08-11",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019ff492-e982-70d2-8af5-8cd919ffb5d9"
    },
    {
      "id": "chg_019fea46-62ee-73a8-965f-43d66fa6d972",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "mercado_currency",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "mercado_currency"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 06:05:09.159819+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Tool “mercado_currency” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019fea46-62ee-73a8-965f-43d66fa6d972"
    },
    {
      "id": "chg_019fea46-62ef-7ebf-9e8f-7bac297fa26b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "mercado_macro",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "mercado_macro"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 06:05:09.159819+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Tool “mercado_macro” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019fea46-62ef-7ebf-9e8f-7bac297fa26b"
    },
    {
      "id": "chg_019fea46-62f0-7bf4-bed2-e14a8ba0e9ed",
      "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": "2026-08-10",
      "occurred_at": "2026-08-10 06:05:09.159819+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019fea46-62f0-7bf4-bed2-e14a8ba0e9ed"
    },
    {
      "id": "chg_019fe51f-d53d-7696-b599-49d384b17b70",
      "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": "2026-08-09",
      "occurred_at": "2026-08-09 06:04:56.439827+00",
      "observed_since": "2026-08-08",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019fe51f-d53d-7696-b599-49d384b17b70"
    },
    {
      "id": "chg_019fdff9-761e-739b-91aa-5086226f4a71",
      "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": "2026-08-08",
      "occurred_at": "2026-08-08 06:04:55.654292+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019fdff9-761e-739b-91aa-5086226f4a71"
    },
    {
      "id": "chg_019fdad2-e0fc-779d-9917-2f7ddd826320",
      "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": "2026-08-07",
      "occurred_at": "2026-08-07 06:04:41.043841+00",
      "observed_since": "2026-08-06",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019fdad2-e0fc-779d-9917-2f7ddd826320"
    },
    {
      "id": "chg_019fd085-e6e7-7214-b2e7-94f29837dc91",
      "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": "2026-08-05",
      "occurred_at": "2026-08-05 06:04:24.109822+00",
      "observed_since": "2026-08-04",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019fd085-e6e7-7214-b2e7-94f29837dc91"
    },
    {
      "id": "chg_019fc63c-2b9e-76a7-bd24-882d12c55999",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
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      "occurred_on": "2026-08-03",
      "occurred_at": "2026-08-03 06:07:39.874664+00",
      "observed_since": "2026-08-02",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019fc63c-2b9e-76a7-bd24-882d12c55999"
    },
    {
      "id": "chg_019fc113-229e-7116-a9ff-037b84350a88",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-02",
      "occurred_at": "2026-08-02 06:04:44.560515+00",
      "observed_since": "2026-08-01",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019fc113-229e-7116-a9ff-037b84350a88"
    },
    {
      "id": "chg_019fbbec-3bd7-7ec0-ae37-07e50e01d940",
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      "subject_kind": "tool",
      "subject": "marketplace",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "marketplace"
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      "occurred_at": "2026-08-01 06:04:09.035648+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "Tool “marketplace” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019fbbec-3bd7-7ec0-ae37-07e50e01d940"
    },
    {
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      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-01",
      "occurred_at": "2026-08-01 06:04:09.035648+00",
      "observed_since": "2026-07-31",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019fbbec-3bd8-7afc-b063-195fa681134d"
    },
    {
      "id": "chg_019faf95-6b45-745a-bbbb-b82036ed0ba2",
      "kind": "server.instructions_changed",
      "family": "",
      "subject_kind": "server",
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      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-07-29",
      "occurred_at": "2026-07-29 20:33:52.950425+00",
      "observed_since": "2026-07-28",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019faf95-6b45-745a-bbbb-b82036ed0ba2"
    },
    {
      "id": "chg_019fa9fe-45d6-7783-be23-f08e0fff21df",
      "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": "2026-07-28",
      "occurred_at": "2026-07-28 18:30:41.357676+00",
      "observed_since": "2026-07-27",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/mcp-dir-mercado-mcp/p-mercado#chg-chg_019fa9fe-45d6-7783-be23-f08e0fff21df"
    }
  ],
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      "date": "2026-09-25",
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      "delta": 0,
      "tracked": true,
      "explained": true,
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    {
      "date": "2026-09-21",
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      "beyond_event_horizon": false,
      "attribution": null,
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    {
      "date": "2026-09-20",
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      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
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    {
      "date": "2026-09-14",
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      "tracked": true,
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      "beyond_event_horizon": false,
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    {
      "date": "2026-09-10",
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      "tracked": true,
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      "beyond_event_horizon": false,
      "attribution": null,
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    },
    {
      "date": "2026-09-09",
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      "tracked": true,
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      "beyond_event_horizon": false,
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    {
      "date": "2026-09-07",
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    {
      "date": "2026-09-06",
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}