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PerpCheck MCP Server

by youraitools Your server? Claim it
answering

PerpCheck is answering right now. Last checked 3 min ago. It exposes 1 tools.

Hyperliquid pre-trade order check: will it be rejected, fix values, liquidation, impact, funding.

Uptime history 46 hours of history
46 hours agonow
100.0%
Uptime 24h
92 of 92 checks
1
Tools
read from the server
76 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check PerpCheck every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

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 3 min ago.

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

Available tools 1

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

perp
check_perp_order
Checks a Hyperliquid perp order BEFORE your agent sends it: would the exchange reject it, and what does it cost and risk? Give coin, side and size (coins, as you would send it) or notional (USD); optional limit price (omit = market order), leverage, margin cross/isolated, reduceOnly. Returns verdict REJECT_LIKELY / CAUTION / OK, issues[] with fix values (size decimals, price tick, $10 minimum, max leverage by margin tier, isolated-only, OI cap, delisted, far-from-mark), warnings[], rules, isolated liquidation estimate and distance, taker impact from the live L2 book, funding carry per day, market facts, confidence and sources_failed. Read-only: never places, signs or holds orders and needs no keys. Free: 30 calls/day per IP with full results (max 10/min; invalid input is not counted). After that the tool returns an error with the x402 pay URL ($0.01 USDC per full check at /v1/full, or $0.003 lite at /v1/lite) or prepaid credits. Not financial advice; the exchange decides whether an order is accepted. PerpCheck is a read-only pre-trade check: it never places, signs or holds orders, has no custody and never asks for keys.

Endpoints

URLTransportStateLatencyChecked
https://api.youraitools.co/perpcheck/mcp streamable-http answering 100 ms 3 min ago

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PerpCheck — questions

Answers built from our own checks of this server.

What can PerpCheck do?
It exposes 1 tools, read directly from the server on our last check. Among them: check_perp_order. 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 PerpCheck 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 76 ms. The bar chart above shows every period we have measured.
How do I connect PerpCheck?
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 PerpCheck need an API key?
No. PerpCheck completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is PerpCheck?
It answers our handshake in 76 ms on average, which is faster than 98% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.