{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "pro-particle-particle-pro",
  "component": "mcp",
  "generated_at": "2026-09-26T20:17:01.317Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 1,
    "security": 17,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0d281-ffed-7065-ba50-e7a46d094173",
      "kind": "tool.destructive_set",
      "family": "",
      "subject_kind": "tool",
      "subject": "particle_alert_create",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "false",
      "to_value": "true",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "true",
        "from": "false",
        "tool": "particle_alert_create"
      },
      "occurred_on": "2026-09-24",
      "occurred_at": "2026-09-24 08:22:09.78142+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Tool “particle_alert_create” is now declared destructive",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a0d281-ffed-7065-ba50-e7a46d094173"
    },
    {
      "id": "chg_01a0d281-ffee-742e-a6e3-666a70b5008c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "particle_alert_create",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "particle_alert_create"
      },
      "occurred_on": "2026-09-24",
      "occurred_at": "2026-09-24 08:22:09.78142+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Tool “particle_alert_create” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a0d281-ffee-742e-a6e3-666a70b5008c"
    },
    {
      "id": "chg_01a0d281-ffee-78c9-91e3-373b67b3381b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "particle_alert_preview",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "particle_alert_preview"
      },
      "occurred_on": "2026-09-24",
      "occurred_at": "2026-09-24 08:22:09.78142+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Tool “particle_alert_preview” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a0d281-ffee-78c9-91e3-373b67b3381b"
    },
    {
      "id": "chg_01a0d281-ffee-7d29-bc0f-fef6795ab37e",
      "kind": "tool.destructive_set",
      "family": "",
      "subject_kind": "tool",
      "subject": "particle_alert_update",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "false",
      "to_value": "true",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "true",
        "from": "false",
        "tool": "particle_alert_update"
      },
      "occurred_on": "2026-09-24",
      "occurred_at": "2026-09-24 08:22:09.78142+00",
      "observed_since": "2026-09-23",
      "source": "scan",
      "summary": "Tool “particle_alert_update” is now declared destructive",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a0d281-ffee-7d29-bc0f-fef6795ab37e"
    },
    {
      "id": "chg_01a0c835-58a8-7c65-aa59-2f122e25909c",
      "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": "2026-09-22",
      "occurred_at": "2026-09-22 08:22:14.34154+00",
      "observed_since": "2026-09-21",
      "source": "scan",
      "summary": "HTTPS (unverified → pass)",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a0c835-58a8-7c65-aa59-2f122e25909c"
    },
    {
      "id": "chg_01a099d9-f2b7-7974-bea5-136202f90aca",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "particle_company_get",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "particle_company_get"
      },
      "occurred_on": "2026-09-13",
      "occurred_at": "2026-09-13 08:19:52.383527+00",
      "observed_since": "2026-09-12",
      "source": "scan",
      "summary": "Tool “particle_company_get” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a099d9-f2b7-7974-bea5-136202f90aca"
    },
    {
      "id": "chg_01a08a67-1238-76d7-bec5-43f1d6eacf23",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "particle_catalog",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "particle_catalog"
      },
      "occurred_on": "2026-09-10",
      "occurred_at": "2026-09-10 08:20:05.277059+00",
      "observed_since": "2026-09-09",
      "source": "scan",
      "summary": "Tool “particle_catalog” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a08a67-1238-76d7-bec5-43f1d6eacf23"
    },
    {
      "id": "chg_01a08a67-1260-7a32-be0d-02aa99eb6199",
      "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 08:20:05.277059+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/pro-particle-particle-pro/mcp#chg-chg_01a08a67-1260-7a32-be0d-02aa99eb6199"
    },
    {
      "id": "chg_01a0853e-f552-7e52-8918-2e7b98375412",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "particle_podcast_list_related",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "particle_podcast_list_related"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 08:18:10.830632+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “particle_podcast_list_related” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a0853e-f552-7e52-8918-2e7b98375412"
    },
    {
      "id": "chg_01a0853e-f554-7349-b335-8bc40136c593",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "particle_podcast_list_related_episodes",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "particle_podcast_list_related_episodes"
      },
      "occurred_on": "2026-09-09",
      "occurred_at": "2026-09-09 08:18:10.830632+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Tool “particle_podcast_list_related_episodes” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a0853e-f554-7349-b335-8bc40136c593"
    },
    {
      "id": "chg_01a0853e-f554-7a44-82d4-c2971826a4d6",
      "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 08:18:10.830632+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/pro-particle-particle-pro/mcp#chg-chg_01a0853e-f554-7a44-82d4-c2971826a4d6"
    },
    {
      "id": "chg_01a07af2-9260-700f-b36b-0e94a0376f5e",
      "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": "particle_alert_delete"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 08:18:32.356205+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Authorization (unverified → fail)",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a07af2-9260-700f-b36b-0e94a0376f5e"
    },
    {
      "id": "chg_01a07af2-9261-7274-9c05-53e0fd137ca0",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.http_error",
      "to_code": "transport.verified",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 08:18:32.356205+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a07af2-9261-7274-9c05-53e0fd137ca0"
    },
    {
      "id": "chg_01a07af2-9261-7914-bfae-2e4b80d37fa6",
      "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 08:18:32.356205+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a07af2-9261-7914-bfae-2e4b80d37fa6"
    },
    {
      "id": "chg_01a07af2-9262-705f-8d5a-19b513e7e5b4",
      "kind": "check.appeared",
      "family": "tool-safety-manipulation",
      "subject_kind": "check",
      "subject": "tool-safety-manipulation",
      "subject_child": "",
      "from_code": null,
      "to_code": "toolsafety.manipulation_clean",
      "from_value": null,
      "to_value": "pass",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "units": "29",
        "judged": "29"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 08:18:32.356205+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "First check of Judged manipulation (pass)",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a07af2-9262-705f-8d5a-19b513e7e5b4"
    },
    {
      "id": "chg_01a075c9-fb3d-77d2-b464-e189bccedc88",
      "kind": "check.reverified",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.auth_gated",
      "to_code": "transport.http_error",
      "from_value": "unverified",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "402",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 08:16:06.356243+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Transport (unverified → fail)",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a075c9-fb3d-77d2-b464-e189bccedc88"
    },
    {
      "id": "chg_01a075c9-fb3e-791b-9e0e-ba3e4d061b0d",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.rfc9728",
      "to_code": "auth.none_unlisted",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 08:16:06.356243+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Authorization (pass → unverified)",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a075c9-fb3e-791b-9e0e-ba3e4d061b0d"
    },
    {
      "id": "chg_01a075c9-fb3e-7efc-93a8-ae4b07061ae0",
      "kind": "check.reason",
      "family": "tool-safety-injection",
      "subject_kind": "check",
      "subject": "tool-safety-injection",
      "subject_child": "",
      "from_code": "toolsafety.auth_gated",
      "to_code": "toolsafety.unreachable",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 08:16:06.356243+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool safety (Tool safety not yet verified: we couldn't read the endpoint's tools, or could read only part of the list.)",
      "link": "https://verifymcp.io/servers/pro-particle-particle-pro/mcp#chg-chg_01a075c9-fb3e-7efc-93a8-ae4b07061ae0"
    }
  ],
  "days": [
    {
      "date": "2026-09-25",
      "total": 74,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-24",
      "total": 73,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    },
    {
      "date": "2026-09-23",
      "total": 73,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 50,
        "to": 53,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 15,
          "to_days": 16
        },
        "partial": false,
        "compared_to": "2026-09-22",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 50 to 53. That category is still filling its 30-day observation window: 15 days of observed history at the previous scan, 16 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-22",
      "total": 72,
      "delta": 4,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-21",
      "total": 68,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 43,
        "to": 47,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 13,
          "to_days": 14
        },
        "partial": false,
        "compared_to": "2026-09-20",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 43 to 47. That category is still filling its 30-day observation window: 13 days of observed history at the previous scan, 14 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-19",
      "total": 67,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 37,
        "to": 40,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 11,
          "to_days": 12
        },
        "partial": false,
        "compared_to": "2026-09-18",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 37 to 40. That category is still filling its 30-day observation window: 11 days of observed history at the previous scan, 12 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-17",
      "total": 66,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 30,
        "to": 33,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 9,
          "to_days": 10
        },
        "partial": false,
        "compared_to": "2026-09-16",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 30 to 33. That category is still filling its 30-day observation window: 9 days of observed history at the previous scan, 10 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-15",
      "total": 65,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 23,
        "to": 27,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 7,
          "to_days": 8
        },
        "partial": false,
        "compared_to": "2026-09-14",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    }
  ]
}