{
  "$schema": "https://verifymcp.io/schemas/changelog.json",
  "server": "dev-rateapi-mcp",
  "component": "mcp",
  "generated_at": "2026-09-22T04:54:10.603Z",
  "tracking_since": "2026-08-28",
  "counts": {
    "critical": 0,
    "security": 13,
    "functional": 0,
    "cosmetic": 0
  },
  "events": [
    {
      "id": "chg_01a08012-de11-770b-9701-d29b587bebcf",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_eligibility_coverage",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_eligibility_coverage"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 08:11:54.659522+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “get_eligibility_coverage” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-rateapi-mcp/mcp#chg-chg_01a08012-de11-770b-9701-d29b587bebcf"
    },
    {
      "id": "chg_01a08012-de12-7bb6-9ce1-5dfcdc48ff7c",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "search_eligibility_entities",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "search_eligibility_entities"
      },
      "occurred_on": "2026-09-08",
      "occurred_at": "2026-09-08 08:11:54.659522+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "Tool “search_eligibility_entities” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-rateapi-mcp/mcp#chg-chg_01a08012-de12-7bb6-9ce1-5dfcdc48ff7c"
    },
    {
      "id": "chg_01a08012-de15-7b96-97e3-51d6fe658577",
      "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": "2026-09-08",
      "occurred_at": "2026-09-08 08:11:54.659522+00",
      "observed_since": "2026-09-07",
      "source": "scan",
      "summary": "The server rewrote its instructions, which are the text every model session reads",
      "link": "https://verifymcp.io/servers/dev-rateapi-mcp/mcp#chg-chg_01a08012-de15-7b96-97e3-51d6fe658577"
    },
    {
      "id": "chg_01a07aec-5e37-79c6-b492-7ee87d03c474",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "find_reachable_offers",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "find_reachable_offers"
      },
      "occurred_on": "2026-09-07",
      "occurred_at": "2026-09-07 08:11:45.709142+00",
      "observed_since": "2026-09-06",
      "source": "scan",
      "summary": "Tool “find_reachable_offers” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-rateapi-mcp/mcp#chg-chg_01a07aec-5e37-79c6-b492-7ee87d03c474"
    },
    {
      "id": "chg_01a07aec-5e3f-712b-84a5-500e877f752c",
      "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": "2026-09-07",
      "occurred_at": "2026-09-07 08:11:45.709142+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/dev-rateapi-mcp/mcp#chg-chg_01a07aec-5e3f-712b-84a5-500e877f752c"
    },
    {
      "id": "chg_01a075c4-255d-7df0-880b-34ec854e9ebb",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "check_membership_eligibility",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "check_membership_eligibility"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 08:09:43.911956+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool “check_membership_eligibility” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-rateapi-mcp/mcp#chg-chg_01a075c4-255d-7df0-880b-34ec854e9ebb"
    },
    {
      "id": "chg_01a075c4-255f-7765-a2b6-692fd1381442",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "find_eligible_credit_unions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "find_eligible_credit_unions"
      },
      "occurred_on": "2026-09-06",
      "occurred_at": "2026-09-06 08:09:43.911956+00",
      "observed_since": "2026-09-05",
      "source": "scan",
      "summary": "Tool “find_eligible_credit_unions” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-rateapi-mcp/mcp#chg-chg_01a075c4-255f-7765-a2b6-692fd1381442"
    },
    {
      "id": "chg_01a0709e-b314-7c23-b506-e8e51f7f496b",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "check_membership_eligibility",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "check_membership_eligibility"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 08:10:43.472681+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “check_membership_eligibility” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-rateapi-mcp/mcp#chg-chg_01a0709e-b314-7c23-b506-e8e51f7f496b"
    },
    {
      "id": "chg_01a0709e-b31d-79a7-8bc5-0801d63ed417",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "find_eligible_credit_unions",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "find_eligible_credit_unions"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 08:10:43.472681+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “find_eligible_credit_unions” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-rateapi-mcp/mcp#chg-chg_01a0709e-b31d-79a7-8bc5-0801d63ed417"
    },
    {
      "id": "chg_01a0709e-b321-7090-9884-7143e383c43d",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_deposit_benchmarks",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_deposit_benchmarks"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 08:10:43.472681+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “get_deposit_benchmarks” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-rateapi-mcp/mcp#chg-chg_01a0709e-b321-7090-9884-7143e383c43d"
    },
    {
      "id": "chg_01a0709e-b321-7b2f-9d38-b93c8980d071",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_deposit_beta",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_deposit_beta"
      },
      "occurred_on": "2026-09-05",
      "occurred_at": "2026-09-05 08:10:43.472681+00",
      "observed_since": "2026-09-04",
      "source": "scan",
      "summary": "Tool “get_deposit_beta” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-rateapi-mcp/mcp#chg-chg_01a0709e-b321-7b2f-9d38-b93c8980d071"
    },
    {
      "id": "chg_01a0709e-b322-7a2f-bf16-962bb7a7d1ce",
      "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": "2026-09-05",
      "occurred_at": "2026-09-05 08:10:43.472681+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/dev-rateapi-mcp/mcp#chg-chg_01a0709e-b322-7a2f-bf16-962bb7a7d1ce"
    },
    {
      "id": "chg_01a06b78-77d7-773b-bcb3-59964df95716",
      "kind": "tool.description_changed",
      "family": "",
      "subject_kind": "tool",
      "subject": "get_eligibility_coverage",
      "subject_child": "",
      "from_code": null,
      "to_code": null,
      "from_value": null,
      "to_value": null,
      "materiality": "security",
      "direction": "neutral",
      "score_delta": null,
      "detail": {
        "tool": "get_eligibility_coverage"
      },
      "occurred_on": "2026-09-04",
      "occurred_at": "2026-09-04 08:10:51.852973+00",
      "observed_since": "2026-09-03",
      "source": "scan",
      "summary": "Tool “get_eligibility_coverage” rewrote its description, which is the text the model reads",
      "link": "https://verifymcp.io/servers/dev-rateapi-mcp/mcp#chg-chg_01a06b78-77d7-773b-bcb3-59964df95716"
    }
  ],
  "days": [
    {
      "date": "2026-09-21",
      "total": 83,
      "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": "2026-09-20",
        "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": "2026-09-19",
      "total": 82,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 2
    },
    {
      "date": "2026-09-17",
      "total": 81,
      "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": "2026-09-16",
        "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": "2026-09-14",
      "total": 80,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 53,
        "to": 57,
        "delta": 4,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 16,
          "to_days": 17
        },
        "partial": false,
        "compared_to": "2026-09-13",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 53 to 57. That category is still filling its 30-day observation window: 16 days of observed history at the previous scan, 17 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-12",
      "total": 79,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 47,
        "to": 50,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 14,
          "to_days": 15
        },
        "partial": false,
        "compared_to": "2026-09-11",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 47 to 50. That category is still filling its 30-day observation window: 14 days of observed history at the previous scan, 15 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-10",
      "total": 78,
      "delta": 1,
      "tracked": true,
      "explained": false,
      "beyond_event_horizon": false,
      "attribution": {
        "category": "Stability & Change Management",
        "from": 40,
        "to": 43,
        "delta": 3,
        "others": [],
        "accrual": {
          "code": "stability.building_history",
          "from_days": 12,
          "to_days": 13
        },
        "partial": false,
        "compared_to": "2026-09-09",
        "summary": "No change was recorded against any check on this day. Stability & Change Management went from 40 to 43. That category is still filling its 30-day observation window: 12 days of observed history at the previous scan, 13 at this one. The score rises as the window fills, whether or not the server changes."
      },
      "event_count": 0
    },
    {
      "date": "2026-09-08",
      "total": 77,
      "delta": 1,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 5
    },
    {
      "date": "2026-09-07",
      "total": 76,
      "delta": 0,
      "tracked": true,
      "explained": true,
      "beyond_event_horizon": false,
      "attribution": null,
      "event_count": 25
    }
  ]
}