DOCS BLOG ABOUT TRY THE GATEWAY

// MCP TOOL REFERENCE

X402ENGINE TOOLS

22 tools from the X402engine MCP Server, categorised by risk level.

View the X402engine policy →

// ALL 22 X402ENGINE TOOLS

READ 19 tools

Read discover_services List all available x402 Engine APIs with pricing, endpoints, and payment networks. Call this first to under... Read get_crypto_categories List CoinGecko category IDs for sector discovery and downstream market filters. $0.001 per request. Read get_crypto_history Get historical price data for a cryptocurrency. $0.003 per request. Read get_crypto_markets Get top cryptocurrencies by market cap with detailed market data. $0.002 per request. Read get_crypto_price Get current prices for cryptocurrencies. $0.001 per request. Read get_from_ipfs Retrieve content from IPFS by CID. $0.001 per request. Read get_token_metadata Get metadata for a token (name, symbol, decimals, etc.). $0.002 per request. Read get_token_prices Get DEX-derived prices for tokens by contract address. $0.005 per request. Read get_trending_crypto Get trending cryptocurrencies. $0.001 per request. Read get_wallet_balances Get token balances for a wallet address on any supported chain. $0.005 per request. Read get_wallet_pnl Get profit and loss analysis for a wallet Read get_wallet_transactions Get transaction history for a wallet address. $0.005 per request. Read search_cheapest_dates Find the cheapest travel dates for a route. Returns date/price pairs sorted by price. $0.01 per request. Read search_crypto Search for a cryptocurrency by name or symbol. $0.001 per request. Read search_flights Search flight offers by route, dates, and passengers. Returns pricing, itineraries, and airlines. $0.01 per... Read search_hotels Search hotel offers by city and dates. Returns room details, pricing, and availability. $0.01 per request. Read search_locations Search for airports and cities by keyword. Returns IATA codes, names, and coordinates. $0.005 per request. Read service_health Get live health metrics for all x402engine services — latency (p50/p95/p99), error rates, request volume, a... Read transcribe_audio Transcribe audio to text using Deepgram Nova-3. Accepts a public URL to an audio file. $0.10 per transcript...

WRITE 2 tools

Write generate_image Generate an image from a text prompt. Three quality tiers: Write pin_to_ipfs Pin JSON data to IPFS via Pinata. Returns the IPFS CID. $0.01 per pin.

EXECUTE 1 tools

Execute execute_code Execute code in a secure sandboxed environment (E2B). Supports Python, JavaScript, Bash, and R. $0.005 per ...

// RUNNING THIS SERVER

The managed route: connect X402engine through the PolicyLayer gateway — every tool call above is checked against your policy before it runs, with a full audit log.

DIRECT INSTALL (UNMANAGED) npx -y x402engine-mcp

// FAQ

How many tools does the X402engine MCP server have? +

The X402engine MCP server exposes 22 tools across 3 categories: Read, Write, Execute.

How do I enforce policies on X402engine tools? +

Route the X402engine 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 X402engine tools fall into? +

X402engine tools are categorised as Read (19), Write (2), Execute (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.

SECURE YOUR MCP →

Free to start. No card required.

4,600+ MCP servers and 31,000+ tools scanned and risk-classified.