# CrossFin MCP server

AI agent access to Asian crypto markets. Korean exchange routing and x402 paid APIs.

## Links
- Registry page: https://www.getdrio.com/mcp/io-github-bubilife1202-crossfin
- Repository: https://github.com/bubilife1202/crossfin

## Install
- Command: `npx -y crossfin-mcp`
- Endpoint: https://crossfin.dev/api/mcp
- Auth: Not captured

## Setup notes
- Package: Npm crossfin-mcp v1.8.8
- Environment variable: EVM_PRIVATE_KEY (secret)
- Environment variable: CROSSFIN_API_URL
- Environment variable: CROSSFIN_LEDGER_PATH
- Remote endpoint: https://crossfin.dev/api/mcp

## Tools
- get_kimchi_premium - Free preview of Route Spread — real-time price spread between Korean and global crypto exchanges (top 3 pairs) Endpoint: https://crossfin.dev/api/mcp
- list_exchange_fees - Trading fees, withdrawal fees, and transfer times for all supported exchanges (Bithumb, Upbit, Coinone, GoPax, bitFlyer, WazirX, bitbank, Indodax, Bitkub, Binance, OKX, Bybit, KuCoin, Coinbase) Endpoint: https://crossfin.dev/api/mcp
- compare_exchange_prices - Compare Bithumb KRW prices vs Binance USD prices for tracked coins with transfer-time estimates Endpoint: https://crossfin.dev/api/mcp
- search_services - Search the CrossFin service registry (184 services) by keyword Endpoint: https://crossfin.dev/api/mcp
- list_services - List services from the CrossFin registry with optional category filter Endpoint: https://crossfin.dev/api/mcp
- get_service - Get detailed information about a specific service by ID Endpoint: https://crossfin.dev/api/mcp
- list_categories - List all service categories with counts Endpoint: https://crossfin.dev/api/mcp
- get_analytics - CrossFin gateway usage analytics — total calls, top services, recent activity Endpoint: https://crossfin.dev/api/mcp
- get_guide - Complete CrossFin API guide — services, pricing, x402 payment flow, code examples Endpoint: https://crossfin.dev/api/mcp
- find_optimal_route - Find cheapest/fastest path across 14 exchanges (incl. Coinbase, SUI, APT) using 13 bridge coins. Paid: $0.10 via x402. Requires local install with EVM_PRIVATE_KEY. Endpoint: https://crossfin.dev/api/mcp
- call_paid_service - Call any CrossFin paid API with automatic x402 USDC payment. Requires local install with EVM_PRIVATE_KEY. Endpoint: https://crossfin.dev/api/mcp
- create_wallet - Create a wallet in the local CrossFin ledger. Requires local install. Endpoint: https://crossfin.dev/api/mcp
- get_balance - Get wallet balance (KRW). Requires local install. Endpoint: https://crossfin.dev/api/mcp
- transfer - Transfer funds between wallets (KRW). Requires local install. Endpoint: https://crossfin.dev/api/mcp
- list_transactions - List transactions. Requires local install. Endpoint: https://crossfin.dev/api/mcp
- set_budget - Set daily spend limit (KRW). Requires local install. Endpoint: https://crossfin.dev/api/mcp

## Resources
Not captured

## Prompts
Not captured

## Metadata
- Owner: io.github.bubilife1202
- Version: 1.8.8
- Runtime: Npm
- Transports: STDIO, HTTP
- License: Not captured
- Language: Not captured
- Stars: Not captured
- Updated: Feb 20, 2026
- Source: https://registry.modelcontextprotocol.io