{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "dropflyai-fitfly-engine",
  "component": "workout-engine-production-5dd7",
  "generated_at": "2026-10-05T21:24:12.046Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 18,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
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      "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": "2026-09-27",
      "occurred_at": "2026-09-27 09:12:16.125519+00",
      "observed_since": "2026-09-26",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a0e222-f2b9-78e0-a59d-80373391e4b3"
    },
    {
      "id": "chg_01a0cd8b-0042-7cdb-8556-c96faeeaa3ba",
      "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": "2026-09-23",
      "occurred_at": "2026-09-23 09:13:53.554266+00",
      "observed_since": "2026-09-22",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a0cd8b-0042-7cdb-8556-c96faeeaa3ba"
    },
    {
      "id": "chg_01a047a3-3668-7df8-9589-e6f9230da948",
      "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": "2026-08-28",
      "occurred_at": "2026-08-28 09:11:13.537213+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a047a3-3668-7df8-9589-e6f9230da948"
    },
    {
      "id": "chg_01a047a3-366a-70c9-abd2-a91c65908464",
      "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 09:11:13.537213+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Injection markers (unverified → pass)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a047a3-366a-70c9-abd2-a91c65908464"
    },
    {
      "id": "chg_01a047a3-366a-760e-9c65-1fa65c05673a",
      "kind": "check.reverified",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.insufficient_history",
      "to_code": "stability.stable",
      "from_value": "unverified",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 09:11:13.537213+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Stability (unverified → pass)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a047a3-366a-760e-9c65-1fa65c05673a"
    },
    {
      "id": "chg_01a047a3-366a-7a99-80e2-2faad6011fe1",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_undeclared",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "auth": "none",
        "undeclared_tools": "10"
      },
      "occurred_on": "2026-08-28",
      "occurred_at": "2026-08-28 09:11:13.537213+00",
      "observed_since": "2026-08-27",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 10 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a047a3-366a-7a99-80e2-2faad6011fe1"
    },
    {
      "id": "chg_01a0427c-c2cc-7589-a5e5-b9cf40471305",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.stable",
      "to_code": "stability.insufficient_history",
      "from_value": "pass",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 09:11:07.695489+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Stability (pass → unverified)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a0427c-c2cc-7589-a5e5-b9cf40471305"
    },
    {
      "id": "chg_01a0427c-c2cf-723b-9d4c-1c5dce4829f2",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.http_error",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "404",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 09:11:07.695489+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a0427c-c2cf-723b-9d4c-1c5dce4829f2"
    },
    {
      "id": "chg_01a0427c-c2d0-7767-85bc-6a03e0ad5e5e",
      "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 09:11:07.695489+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a0427c-c2d0-7767-85bc-6a03e0ad5e5e"
    },
    {
      "id": "chg_01a0427c-c2d1-70fd-aa00-fa082b3aef08",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.none_unlisted",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-27",
      "occurred_at": "2026-08-27 09:11:07.695489+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn't read the whole tool list to see what that exposes.)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a0427c-c2d1-70fd-aa00-fa082b3aef08"
    },
    {
      "id": "chg_01a0427c-c2d3-7eee-b670-ec55aae37d7f",
      "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": "2026-08-27",
      "occurred_at": "2026-08-27 09:11:07.695489+00",
      "observed_since": "2026-08-26",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a0427c-c2d3-7eee-b670-ec55aae37d7f"
    },
    {
      "id": "chg_01a0382f-4a3f-70e3-862b-bb99b98c8603",
      "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": "2026-08-25",
      "occurred_at": "2026-08-25 09:10:18.310202+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a0382f-4a3f-70e3-862b-bb99b98c8603"
    },
    {
      "id": "chg_01a03309-27f4-71e0-bed2-ccdd44e46fc4",
      "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": "2026-08-24",
      "occurred_at": "2026-08-24 09:10:33.025976+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a03309-27f4-71e0-bed2-ccdd44e46fc4"
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    {
      "id": "chg_01a03309-27f5-76dd-805f-4a472d360905",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_unlisted",
      "to_code": "auth.none_undeclared",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "auth": "none",
        "undeclared_tools": "10"
      },
      "occurred_on": "2026-08-24",
      "occurred_at": "2026-08-24 09:10:33.025976+00",
      "observed_since": "2026-08-23",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 10 tool(s) never declared a destructiveHint. The MCP spec treats an absent hint as destructive by default, so we cannot call this surface safe.)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a03309-27f5-76dd-805f-4a472d360905"
    },
    {
      "id": "chg_01a028bc-fd38-7588-a2c6-cfdb792d4005",
      "kind": "check.verdict",
      "family": "transport",
      "subject_kind": "check",
      "subject": "transport",
      "subject_child": "",
      "from_code": "transport.verified",
      "to_code": "transport.http_error",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {
        "status": "404",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 09:11:09.300215+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a028bc-fd38-7588-a2c6-cfdb792d4005"
    },
    {
      "id": "chg_01a028bc-fd39-74f8-b8a3-6008a2f5df5f",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.87",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 09:11:09.300215+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Stability (0.87 → unverified)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a028bc-fd39-74f8-b8a3-6008a2f5df5f"
    },
    {
      "id": "chg_01a028bc-fd39-7b00-ace5-8cfb7bcff89a",
      "kind": "check.reason",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_undeclared",
      "to_code": "auth.none_unlisted",
      "from_value": "unverified",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-22",
      "occurred_at": "2026-08-22 09:11:09.300215+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn't read the whole tool list to see what that exposes.)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a028bc-fd39-7b00-ace5-8cfb7bcff89a"
    },
    {
      "id": "chg_01a028bc-fd3b-71fc-a743-355228916aba",
      "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": "2026-08-22",
      "occurred_at": "2026-08-22 09:11:09.300215+00",
      "observed_since": "2026-08-21",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/dropflyai-fitfly-engine/workout-engine-production-5dd7#chg-chg_01a028bc-fd3b-71fc-a743-355228916aba"
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  "days": [
    {
      "date": "2026-09-28",
      "total": 77,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-27",
      "total": 77,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-26",
      "total": 76,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-25",
      "total": 77,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-23",
      "total": 77,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-21",
      "total": 76,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-28",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 7
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    {
      "date": "2026-08-27",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
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}