{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "cyanheads-openfoodfacts-mcp-server",
  "component": "openfoodfacts",
  "generated_at": "2026-09-21T10:28:20.985Z",
  "tracking_since": "2026-07-26",
  "counts": {
    "critical": 0,
    "security": 15,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a0b0bd-cbf6-7202-93bd-cce4c3cdf56d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "off_get_product",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "off_get_product"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 19:00:23.213888+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “off_get_product” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-openfoodfacts-mcp-server/openfoodfacts#chg-chg_01a0b0bd-cbf6-7202-93bd-cce4c3cdf56d"
    },
    {
      "id": "chg_01a0b087-1009-7637-8a3f-523e2738d645",
      "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": "2026-09-17",
      "occurred_at": "2026-09-17 18:00:36.048619+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/cyanheads-openfoodfacts-mcp-server/openfoodfacts#chg-chg_01a0b087-1009-7637-8a3f-523e2738d645"
    },
    {
      "id": "chg_01a0b087-1003-7ea8-aa1f-f5d10b54a511",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "off_search_products",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "off_search_products"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 18:00:36.048619+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “off_search_products” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-openfoodfacts-mcp-server/openfoodfacts#chg-chg_01a0b087-1003-7ea8-aa1f-f5d10b54a511"
    },
    {
      "id": "chg_01a0b087-0ffe-789d-a422-55d8691d43c8",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "off_browse_taxonomy",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "off_browse_taxonomy"
      },
      "occurred_on": "2026-09-17",
      "occurred_at": "2026-09-17 18:00:36.048619+00",
      "observed_since": "2026-09-17",
      "source": "scan",
      "summary": "Tool “off_browse_taxonomy” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-openfoodfacts-mcp-server/openfoodfacts#chg-chg_01a0b087-0ffe-789d-a422-55d8691d43c8"
    },
    {
      "id": "chg_01a083b4-5547-7be1-9c39-0057c234f5b6",
      "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": "2026-09-09",
      "occurred_at": "2026-09-09 01:07:08.691502+00",
      "observed_since": "2026-09-08",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-openfoodfacts-mcp-server/openfoodfacts#chg-chg_01a083b4-5547-7be1-9c39-0057c234f5b6"
    },
    {
      "id": "chg_01a0371b-2c7f-7d30-be80-7d3025997f96",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "off_browse_taxonomy",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "off_browse_taxonomy"
      },
      "occurred_on": "2026-08-25",
      "occurred_at": "2026-08-25 04:08:42.778809+00",
      "observed_since": "2026-08-25",
      "source": "scan",
      "summary": "Tool “off_browse_taxonomy” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/cyanheads-openfoodfacts-mcp-server/openfoodfacts#chg-chg_01a0371b-2c7f-7d30-be80-7d3025997f96"
    },
    {
      "id": "chg_01a03675-3463-7b01-8b18-f8c1dc767805",
      "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 01:07:25.86641+00",
      "observed_since": "2026-08-24",
      "source": "scan",
      "summary": "Stability (0.97 → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-openfoodfacts-mcp-server/openfoodfacts#chg-chg_01a03675-3463-7b01-8b18-f8c1dc767805"
    },
    {
      "id": "chg_019fe935-f43a-7bd1-ba47-b3424eda8be8",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_absent",
      "to_code": "headers.hsts_present",
      "from_value": "fail",
      "to_value": "pass",
      "materiality": "security",
      "direction": "improvement",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 01:07:35.025887+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "HSTS header (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-openfoodfacts-mcp-server/openfoodfacts#chg-chg_019fe935-f43a-7bd1-ba47-b3424eda8be8"
    },
    {
      "id": "chg_019fe935-f440-75da-8d8c-922f4075e605",
      "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": "2026-08-10",
      "occurred_at": "2026-08-10 01:07:35.025887+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Transport (fail → pass)",
      "link": "https://verifymcp.io/servers/cyanheads-openfoodfacts-mcp-server/openfoodfacts#chg-chg_019fe935-f440-75da-8d8c-922f4075e605"
    },
    {
      "id": "chg_019fe935-f442-7f1f-9c85-de6c5ff07e44",
      "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": "4"
      },
      "occurred_on": "2026-08-10",
      "occurred_at": "2026-08-10 01:07:35.025887+00",
      "observed_since": "2026-08-09",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to call this server, and 4 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/cyanheads-openfoodfacts-mcp-server/openfoodfacts#chg-chg_019fe935-f442-7f1f-9c85-de6c5ff07e44"
    },
    {
      "id": "chg_019fdee9-155d-711d-9bf3-6a3116da492c",
      "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": "2026-08-08",
      "occurred_at": "2026-08-08 01:07:25.114043+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/cyanheads-openfoodfacts-mcp-server/openfoodfacts#chg-chg_019fdee9-155d-711d-9bf3-6a3116da492c"
    },
    {
      "id": "chg_019fdee9-155b-7788-a5d3-d00a20737d7b",
      "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": "2026-08-08",
      "occurred_at": "2026-08-08 01:07:25.114043+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Authorization (Authorisation not fully verified: no authorisation is required to connect, but we couldn't read the tool list to see what that exposes.)",
      "link": "https://verifymcp.io/servers/cyanheads-openfoodfacts-mcp-server/openfoodfacts#chg-chg_019fdee9-155b-7788-a5d3-d00a20737d7b"
    },
    {
      "id": "chg_019fdee9-155b-7221-b41a-441334fe101c",
      "kind": "check.verdict",
      "family": "hsts",
      "subject_kind": "check",
      "subject": "hsts",
      "subject_child": "",
      "from_code": "headers.hsts_present",
      "to_code": "headers.hsts_absent",
      "from_value": "pass",
      "to_value": "fail",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 01:07:25.114043+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "HSTS header (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-openfoodfacts-mcp-server/openfoodfacts#chg-chg_019fdee9-155b-7221-b41a-441334fe101c"
    },
    {
      "id": "chg_019fdee9-155a-7097-8329-57805a660a9f",
      "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": "530",
        "transport": "streamable-http"
      },
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 01:07:25.114043+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/cyanheads-openfoodfacts-mcp-server/openfoodfacts#chg-chg_019fdee9-155a-7097-8329-57805a660a9f"
    },
    {
      "id": "chg_019fdee9-155a-7c81-b403-99fe9969808c",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.40",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-08-08",
      "occurred_at": "2026-08-08 01:07:25.114043+00",
      "observed_since": "2026-08-07",
      "source": "scan",
      "summary": "Stability (0.40 → unverified)",
      "link": "https://verifymcp.io/servers/cyanheads-openfoodfacts-mcp-server/openfoodfacts#chg-chg_019fdee9-155a-7c81-b403-99fe9969808c"
    }
  ],
  "days": [
    {
      "date": "2026-09-17",
      "total": 79,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 14
    },
    {
      "date": "2026-09-09",
      "total": 80,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-09-08",
      "total": 80,
      "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": "2026-09-07",
        "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": "2026-09-07",
      "total": 79,
      "delta": -1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-26",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    },
    {
      "date": "2026-08-25",
      "total": 79,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 9
    },
    {
      "date": "2026-08-24",
      "total": 79,
      "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": "2026-08-23",
        "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": "2026-08-11",
      "total": 0,
      "delta": null,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 1
    }
  ]
}