// MCP TOOL REFERENCE

CROSSFIN TOOLS

16 tools from the CrossFin MCP Server, categorised by risk level.

// ALL 16 CROSSFIN TOOLS

READ 13 tools

Read call_paid_service Call a CrossFin paid API endpoint with automatic x402 USDC payment on Base. Read compare_exchange_prices Compare Bithumb KRW prices vs global USD prices (Binance) for tracked coins. Read find_optimal_route Find the cheapest/fastest path to move money across Asian exchanges. Read get_analytics Get CrossFin gateway usage analytics — total calls, top services, recent activity Read get_balance Get the balance (KRW) of a wallet Read get_guide Get the complete CrossFin API guide — what services are available, how to search, pricing, x402 payment flo... Read get_kimchi_premium Get free preview of the Route Spread index — real-time price spread between Korean and global crypto exchan... Read get_service Get detailed information about a specific service by ID Read list_categories List all service categories with counts Read list_exchange_fees Show trading fees, withdrawal fees, and transfer times for all supported exchanges Read list_services List services from the CrossFin registry with optional category filter Read list_transactions List transactions (optionally filtered by wallet) Read search_services Search the CrossFin service registry for x402 services by keyword

WRITE 2 tools

Write create_wallet Create a wallet in the local CrossFin ledger Write set_budget Set a daily spend limit for the local ledger (KRW)

FINANCIAL 1 tools

Financial transfer Transfer funds between wallets (KRW)

// FAQ

How many tools does the CrossFin MCP server have? +

The CrossFin MCP server exposes 16 tools across 3 categories: Read, Write, Financial.

How do I enforce policies on CrossFin tools? +

Route the CrossFin server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard — they are enforced on every call before it reaches the server.

What risk categories do CrossFin tools fall into? +

CrossFin tools are categorised as Read (13), Write (2), Financial (1). Each category has a recommended default policy.

Let agents act without letting them run wild.

Route your MCP servers through PolicyLayer and every tool call is checked against your policy before it runs — allow, deny, or require approval. Per-identity grants. Full audit log. Live in minutes.

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