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CVIN MCP Server

by briantian818 Your server? Claim it
answering

CVIN is answering right now. Last checked 7 min ago. It exposes 18 tools.

GPU compute-asset identity registry: resolve device identity, verify history, buy official reports.

Uptime history 4 days of history · worst day 99%
4 days agonow
100.0%
Uptime 24h
92 of 92 checks
18
Tools
read from the server
1148 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 4

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 5 November 2026. No other catalogue keeps this.

6 Nov a tool appeared cvin_resolve_batch
5 Nov 2 tools appeared cvin_lookup, cvin_market_models
5 Nov a tool changed the parameters it asks for cvin_resolve

CVIN missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 7 min ago.

run in your terminal
claude mcp add cvin --transport http https://cvin.org/mcp
Settings → Connectors → Add custom connector, then paste this address
https://cvin.org/mcp
~/.codex/config.toml
[mcp_servers.cvin]
url = "https://cvin.org/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "cvin": {
      "url": "https://cvin.org/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "cvin": {
      "type": "http",
      "url": "https://cvin.org/mcp"
    }
  }
}

Available tools 18

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

cvin
cvin_buy_key
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。
cvin_clauses
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。
cvin_encode
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。
cvin_events
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。
cvin_governance
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。
cvin_history
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）。
cvin_identity
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。
cvin_lookup
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。
cvin_market_models
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。
cvin_market_price
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。
cvin_permits
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。
cvin_provenance
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。
cvin_report
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）。
cvin_resolve
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。
cvin_resolve_batch
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。
cvin_risk_signals
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。
cvin_schedule
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。
cvin_verify
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）。

Endpoints

URLTransportStateLatencyChecked
https://cvin.org/mcp streamable-http answering 1085 ms 7 min ago

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CVIN — questions

Answers built from our own checks of this server.

What can CVIN do?
It exposes 18 tools, read directly from the server on our last check. Among them: cvin_buy_key, cvin_clauses, cvin_encode, cvin_events, cvin_governance, cvin_history and 12 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is CVIN working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 1148 ms. The bar chart above shows every period we have measured.
How do I connect CVIN?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does CVIN need an API key?
No. CVIN completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 18 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is CVIN?
It answers our handshake in 1148 ms on average, which is faster than 3% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.