{
  "schema_version": "1.0",
  "name": "cvin",
  "display_name": "CVIN · Compute Asset Verification & Identification Number",
  "description": "GPU/compute-asset identity registry: resolve device identity free, verify observation history, buy official verification reports. Free tools cost $0; paid tools are history/verify $0.05 per call and official report $2 per copy, settled per-call via x402 (Base USDC); a 30-day API key is $10. This is an MCP service. It is NOT an A2A JSON-RPC server.",
  "url": "https://cvin.org/",
  "version": "0.1.0",
  "protocol": "mcp",
  "provider": {
    "organization": "CVIN",
    "url": "https://cvin.org/",
    "contactEmail": "hi@cvin.org"
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": true
  },
  "authentication": {
    "schemes": [
      "None (free tools)",
      "x402 (paid tools, Base USDC)",
      "X-Api-Key (30-day subscription)"
    ]
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "a2a_supported": false,
  "endpoints": {
    "mcp": "https://cvin.org/mcp"
  },
  "tools": [
    {
      "name": "cvin_resolve",
      "description": "解析一个 CVIN：确认该算力资产是否存在于登记表，返回首次/最近观测时间、观测次数、观测类型与最近一次价格观测。永久免费、无限次。",
      "price_usd": 0,
      "payment": "free"
    },
    {
      "name": "cvin_resolve_batch",
      "description": "组合风险快照：一次解析最多 200 个 CVIN，返回汇总卡（登记率 / 活跃度 / 在押 / 真实重复抵押）、按严重度分类的异常清单（未登记 / 无真实观测 / 失联 / 重复抵押）与逐台明细。免费、不留存。注意：这是「此刻的照片」不是持续监控——设备失联、抵押权变动要在发生时知道，需 POST /v1/watch 订阅（$0.60/台/月）。与 HTTP 的 POST /v1/resolve/batch 同一实现，口径一致。",
      "price_usd": 0,
      "payment": "free"
    },
    {
      "name": "cvin_history",
      "description": "返回该 CVIN 的完整观测历史（含哈希链），用于重复抵押与违约史核查。按次计费 $0.05（x402）。",
      "price_usd": 0.05,
      "payment": "x402"
    },
    {
      "name": "cvin_verify",
      "description": "连续性证明：重放该 CVIN 的哈希链并返回 ed25519 签名，任何人可独立复算校验。按次计费 $0.05（x402）。",
      "price_usd": 0.05,
      "payment": "x402"
    },
    {
      "name": "cvin_report",
      "description": "签发单台设备的正式核验报告（报告编号 + ed25519 签名 + 固定内容哈希，可留档可独立验签），供放款 / 承保 / 承租决策留档。按份计费 $2.00（x402）。",
      "price_usd": 2,
      "payment": "x402"
    },
    {
      "name": "cvin_buy_key",
      "description": "自助购买风控订阅 API 密钥（30 天有效期）：history / verify / watch / 报告端点全部直通，不再按次付费。$10.00（x402）。适合需要批量或高频核验的 Agent。",
      "price_usd": 10,
      "payment": "x402"
    },
    {
      "name": "cvin_encode",
      "description": "由厂商/型号/形态/显存/序列号计算 CVIN（序列号不出本机：仅上传哈希后的结果参与登记）。免费。",
      "price_usd": 0,
      "payment": "free"
    },
    {
      "name": "cvin_lookup",
      "description": "万能查询：接受 CVIN、GPU 序列号、平台链接/host id、机房资产标签、发票号、型号名——不需要用户先学会 CVIN。返回命中的 CVIN 列表、命中理由与下一步。免费。",
      "price_usd": 0,
      "payment": "free"
    },
    {
      "name": "cvin_identity",
      "description": "查询某 CVIN 的身份级别（L0 挂牌指纹 / L1 序列号可观测 / L2 硬件信任根）、该级别能断言与不能断言什么、以及升到下一级的做法。免费。",
      "price_usd": 0,
      "payment": "free"
    },
    {
      "name": "cvin_permits",
      "description": "判断某个身份级别能否用于某个用途（如「抵押登记」「保险核保」「资产池入池」）。返回 {allowed, level, upgrade_to}。免费——这一层让「L0 不能抵押」由机器把关而不是靠人记得。",
      "price_usd": 0,
      "payment": "free"
    },
    {
      "name": "cvin_events",
      "description": "拉取结构化事件流：失联、休眠、重复抵押、价格暴跌、跨地区流转等。支持 since 增量拉取。永久免费——事件流是地基层。",
      "price_usd": 0,
      "payment": "free"
    },
    {
      "name": "cvin_market_price",
      "description": "查询某 GPU 型号的租赁行情：按平台返回最新报价（价格/地区/库存/观测时间）。输入 \"nv.h100\" 或裸型号 \"h100\"/\"rtx4090\"（自动匹配厂商前缀）。免费。型号级行情是供给报价，不指向具体设备；要核验某台具体设备请用 cvin_resolve / cvin_history。",
      "price_usd": 0,
      "payment": "free"
    },
    {
      "name": "cvin_clauses",
      "description": "取合同条款模板（采购订单 / 租赁 / 抵押担保 / 保险 / RWA 入池 / 尽调），中英双语，可直接粘贴进合同。永久免费，复制与引用无需署名。",
      "price_usd": 0,
      "payment": "free"
    },
    {
      "name": "cvin_risk_signals",
      "description": "风险信号聚合：身份级别分布、活跃度分布、在押与重复抵押计数、事件计数。事件数未达 200 阈值前只输出计数，不输出比率（先计数后比率）。免费。",
      "price_usd": 0,
      "payment": "free"
    },
    {
      "name": "cvin_provenance",
      "description": "数据出处与合成数据占比：真实/合成各多少、设备级与型号级分开算、来自哪些源、离「合成占比 ≤10%」还差多少条真实观测。引用登记表统计前应先查这一项。免费。",
      "price_usd": 0,
      "payment": "free"
    },
    {
      "name": "cvin_market_models",
      "description": "设备级真实挂牌行情快照：每个 GPU 型号当前有多少台真实机器在某平台挂牌、单卡小时价的 P10/中位/P90、平台与地区分布、快照时间。只含设备级挂牌（vast.ai / Clore.ai，身份 L0），不含型号级报价，两者不得相加。报价是挂牌价不是成交价，极值不裁剪。免费。",
      "price_usd": 0,
      "payment": "free"
    },
    {
      "name": "cvin_governance",
      "description": "治理结构：规范委员会三层分权、7 席构成（现全部空缺）、表决门槛、发起方交权清单、RFC 提案与公示期。redlines=true 时附带六条红线的可复算判定。免费。",
      "price_usd": 0,
      "payment": "free"
    },
    {
      "name": "cvin_schedule",
      "description": "抵押物清单生成：给定一组 CVIN，逐台给出能否设押的结论（身份级是否够、是否已在押、是否重复抵押、履历是否为合成数据），输出可直接作为质押合同附件的清单。免费。",
      "price_usd": 0,
      "payment": "free"
    }
  ],
  "links": {
    "homepage": "https://cvin.org/",
    "quickstart": "https://cvin.org/quickstart",
    "llms_txt": "https://cvin.org/llms.txt",
    "openapi": "https://cvin.org/openapi.json",
    "x402_manifest": "https://cvin.org/.well-known/x402",
    "well_known_mcp": "https://cvin.org/.well-known/mcp.json",
    "server_card": "https://cvin.org/mcp/server-card",
    "pricing": "https://cvin.org/pricing"
  },
  "generated_at": "2026-11-12T11:26:58.493Z"
}