AI agent access to Asian crypto markets. Korean exchange routing and x402 paid APIs.
AI agent access to Asian crypto markets. Korean exchange routing and x402 paid APIs.
CrossFin is a financial router for AI agents. It finds the cheapest path to move money across 14 exchanges (Bithumb, Upbit, Coinone, GoPax, bitFlyer, WazirX, bitbank, Indodax, Bitkub, Binance, OKX, Bybit, KuCoin, Coinbase), pays for APIs with crypto (x402 protocol), and gives agents real-time access to market data that's normally locked behind Korean-language interfaces and IP restrictions.
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Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| find_optimal_route | Optimal crypto transfer path across 14 exchanges (free) |
| list_exchange_fees | Trading + withdrawal fee comparison |
| compare_exchange_prices | Live Bithumb KRW vs Binance USD comparison |
| get_kimchi_premium | Korean vs. global route spread (free preview) |
| search_services | Search registered services |
| get_guide | Full agent guide (services, payment flow, examples) |
| call_paid_service | Call any paid API with automatic x402 payment |
| create_wallet | Local ledger wallet |
| get_balance | Check wallet balance |
| transfer | Transfer between wallets |
| list_transactions | Transaction history |
| set_budget | Daily spend limit |
| list_services | Browse service catalog |
| get_service | Service details |
{
"mcpServers": {
"crossfin": {
"command": "npx",
"args": ["-y", "crossfin-mcp"],
"env": {
"EVM_PRIVATE_KEY": "0x..."
}
}
}
}Configuration as documented by the project. Restart the client after saving.
| Variable | Description | Required |
|---|---|---|
| EVM_PRIVATE_KEY | Credential the server authenticates with. | Yes |
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