{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "site-chatgpt-werkruimte-v-0931-open-agent-marketplace-lab-marketplace-discovery",
  "component": "discovery-mcp",
  "generated_at": "2026-11-05T14:16:57.042Z",
  "tracking_since": "2026-10-03",
  "counts": {
    "critical": 0,
    "security": 10,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a1820a-40cf-7e43-b1b7-8c31f49f719d",
      "kind": "check.unverifiable",
      "family": "stability",
      "subject_kind": "check",
      "subject": "stability",
      "subject_child": "",
      "from_code": "stability.building_history",
      "to_code": "stability.insufficient_history",
      "from_value": "0.80",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-28",
      "occurred_at": "2026-10-28 10:24:32.435438+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Stability (0.80 → unverified)",
      "link": "https://verifymcp.io/servers/site-chatgpt-werkruimte-v-0931-open-agent-marketplace-lab-marketplace-discovery/discovery-mcp#chg-chg_01a1820a-40cf-7e43-b1b7-8c31f49f719d"
    },
    {
      "id": "chg_01a1820a-40d1-7504-9eeb-5ef593abf3c5",
      "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": "2026-10-28",
      "occurred_at": "2026-10-28 10:24:32.435438+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Transport (pass → fail)",
      "link": "https://verifymcp.io/servers/site-chatgpt-werkruimte-v-0931-open-agent-marketplace-lab-marketplace-discovery/discovery-mcp#chg-chg_01a1820a-40d1-7504-9eeb-5ef593abf3c5"
    },
    {
      "id": "chg_01a1820a-40d2-7466-bdbc-fcb270cc89c1",
      "kind": "check.unverifiable",
      "family": "auth-oauth",
      "subject_kind": "check",
      "subject": "auth-oauth",
      "subject_child": "",
      "from_code": "auth.none_no_destructive",
      "to_code": "auth.unreachable",
      "from_value": "partial",
      "to_value": "unverified",
      "materiality": "security",
      "direction": "regression",
      "score_delta": null,
      "detail": {},
      "occurred_on": "2026-10-28",
      "occurred_at": "2026-10-28 10:24:32.435438+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Authorization (partial → unverified)",
      "link": "https://verifymcp.io/servers/site-chatgpt-werkruimte-v-0931-open-agent-marketplace-lab-marketplace-discovery/discovery-mcp#chg-chg_01a1820a-40d2-7466-bdbc-fcb270cc89c1"
    },
    {
      "id": "chg_01a1820a-40d2-7b7e-b6f9-1727f90149c7",
      "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": "2026-10-28",
      "occurred_at": "2026-10-28 10:24:32.435438+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Tool safety (pass → unverified)",
      "link": "https://verifymcp.io/servers/site-chatgpt-werkruimte-v-0931-open-agent-marketplace-lab-marketplace-discovery/discovery-mcp#chg-chg_01a1820a-40d2-7b7e-b6f9-1727f90149c7"
    },
    {
      "id": "chg_01a1820a-40d5-74cf-8aae-41ddf16b048f",
      "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": "2026-10-28",
      "occurred_at": "2026-10-28 10:24:32.435438+00",
      "observed_since": "2026-10-27",
      "source": "scan",
      "summary": "Endpoint reachability (reachable → not serving MCP)",
      "link": "https://verifymcp.io/servers/site-chatgpt-werkruimte-v-0931-open-agent-marketplace-lab-marketplace-discovery/discovery-mcp#chg-chg_01a1820a-40d5-74cf-8aae-41ddf16b048f"
    },
    {
      "id": "chg_01a1443c-1f1f-762f-b27a-a7e300b36fdd",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "marketplace_joining_instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "marketplace_joining_instructions"
      },
      "occurred_on": "2026-10-16",
      "occurred_at": "2026-10-16 10:22:30.031486+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Tool “marketplace_joining_instructions” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/site-chatgpt-werkruimte-v-0931-open-agent-marketplace-lab-marketplace-discovery/discovery-mcp#chg-chg_01a1443c-1f1f-762f-b27a-a7e300b36fdd"
    },
    {
      "id": "chg_01a1443c-1fdb-7760-a300-50848584d08a",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "marketplace_status",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "marketplace_status"
      },
      "occurred_on": "2026-10-16",
      "occurred_at": "2026-10-16 10:22:30.031486+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "Tool “marketplace_status” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/site-chatgpt-werkruimte-v-0931-open-agent-marketplace-lab-marketplace-discovery/discovery-mcp#chg-chg_01a1443c-1fdb-7760-a300-50848584d08a"
    },
    {
      "id": "chg_01a1443c-1fe6-7e1f-81e0-743b5792ef42",
      "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": "2026-10-16",
      "occurred_at": "2026-10-16 10:22:30.031486+00",
      "observed_since": "2026-10-15",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/site-chatgpt-werkruimte-v-0931-open-agent-marketplace-lab-marketplace-discovery/discovery-mcp#chg-chg_01a1443c-1fe6-7e1f-81e0-743b5792ef42"
    },
    {
      "id": "chg_01a10f02-0966-7449-a14c-a2cf5b97dbe2",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "marketplace_joining_instructions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "marketplace_joining_instructions"
      },
      "occurred_on": "2026-10-06",
      "occurred_at": "2026-10-06 02:19:08.237441+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "Tool “marketplace_joining_instructions” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/site-chatgpt-werkruimte-v-0931-open-agent-marketplace-lab-marketplace-discovery/discovery-mcp#chg-chg_01a10f02-0966-7449-a14c-a2cf5b97dbe2"
    },
    {
      "id": "chg_01a10f02-0c75-7ed4-bae9-05ca3909e806",
      "kind": "server.name_changed",
      "family": "",
      "subject_kind": "server",
      "subject": "aiven-agent-society-discovery",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": "open-agent-marketplace-discovery",
      "to_value": "aiven-agent-society-discovery",
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "to": "aiven-agent-society-discovery",
        "from": "open-agent-marketplace-discovery"
      },
      "occurred_on": "2026-10-06",
      "occurred_at": "2026-10-06 02:19:08.237441+00",
      "observed_since": "2026-10-04",
      "source": "scan",
      "summary": "The server changed its declared name (open-agent-marketplace-discovery → aiven-agent-society-discovery)",
      "link": "https://verifymcp.io/servers/site-chatgpt-werkruimte-v-0931-open-agent-marketplace-lab-marketplace-discovery/discovery-mcp#chg-chg_01a10f02-0c75-7ed4-bae9-05ca3909e806"
    }
  ],
  "days": [
    {
      "date": "2026-10-28",
      "total": 23,
      "delta": -55,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 8
    },
    {
      "date": "2026-10-27",
      "total": 78,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 77,
        "to": 80,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 23,
          "to_days": 24
        },
        "partial": false,
        "compared_to": "2026-10-26",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 77 to 80. That category is still filling its 30-day observation window: 23 days of observed history at the previous scan, 24 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-25",
      "total": 77,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 70,
        "to": 73,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 21,
          "to_days": 22
        },
        "partial": false,
        "compared_to": "2026-10-24",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 70 to 73. That category is still filling its 30-day observation window: 21 days of observed history at the previous scan, 22 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-23",
      "total": 76,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 63,
        "to": 67,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 19,
          "to_days": 20
        },
        "partial": false,
        "compared_to": "2026-10-22",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 63 to 67. That category is still filling its 30-day observation window: 19 days of observed history at the previous scan, 20 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-21",
      "total": 75,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 57,
        "to": 60,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 17,
          "to_days": 18
        },
        "partial": false,
        "compared_to": "2026-10-20",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 57 to 60. That category is still filling its 30-day observation window: 17 days of observed history at the previous scan, 18 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-10-19",
      "total": 74,
      "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": "2026-10-18",
        "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": "2026-10-17",
      "total": 73,
      "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": "2026-10-16",
        "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": "2026-10-16",
      "total": 72,
      "delta": -2,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 4
    }
  ]
}