Chain Check (x402)

Connect Remote server

claude mcp add --transport http chaincheck https://chaincheck-api.netlify.app/mcp

{
  "mcpServers": {
    "chaincheck": {
      "url": "https://chaincheck-api.netlify.app/mcp"
    }
  }
}

{
  "servers": {
    "chaincheck": {
      "type": "http",
      "url": "https://chaincheck-api.netlify.app/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://chaincheck-api.netlify.app/mcp

Tools 6 found in our last check

• wallet_report

  Multi-chain EVM wallet report (7 chains): native/USDC/USDT balances, tx counts, contract + EIP-7702 detection. Paid $0.01 USDC on Base via x402.

• contract_scan

  Smart-contract risk scan: proxy/admin, owner, mint, blacklist, pause, fee-change, trading toggle flags. Paid $0.02 USDC on Base via x402.

• token_risk

  ERC-20 token risk score 0-100 (honeypot, taxes, mint, hidden owner, blacklist, LP lock, top holders). Paid $0.02 USDC on Base via x402.

• gas_snapshot

  Live gas on 7 EVM chains with USD cost of transfer/swap and cheapest chain. Paid $0.005 USDC on Base via x402.

• address_label

  ENS <-> address resolution and malicious-address flags (phishing, scam, sanctions, mixer). Paid $0.01 USDC on Base via x402.

• pricing

  Free. Lists Chain Check tools, prices and how to pay (x402, USDC on Base).

Details

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  Which of your credit cards to use at any store, from verified bank data. No bank login.

• Africa Compliance Data

  African holidays, business days, VAT, withholding tax, tax treaties, tax IDs and filing deadlines

• BusCalc Business Calculators

  Business calculators, data lookups, replayable receipts, and documentation for enterprise pilots.

• CarLoanMath

  US car loan math: monthly payment, compare loans, max price for your budget, amortization. Free.

• InfinityVolume

  Dollar volume across 13 stock markets and US sectors, against each one's own normal. No prices.

• xytara MCP Executor

  Pay-per-call MCP tools and signed on-chain attestations: 20 free/day, then x402 or a spend key.