# Services from mcp.blocksize.info on Zero

> mcp.blocksize.info serves 4 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/mcp.blocksize.info
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/mcp.blocksize.info/health.json

## Services

- [Blocksize Capital BTC-USD Bid-Ask Snapshot](https://www.zero.xyz/c/blocksize-capital-btc-usd-bid-ask-snapshot-7683ca93/llms.txt): $0.002/call via x402. Returns a real-time bid-ask price snapshot for Bitcoin (BTC) against US Dollar (USD) via Blocksize Capital.
- [BTC-USD VWAP Real-Time Price Feed](https://www.zero.xyz/c/btc-usd-vwap-real-time-price-feed-21e07411/llms.txt): $0.002/call via x402. Returns real-time Volume-Weighted Average Price (VWAP) market data for the Bitcoin/US Dollar trading pair from Blocksize Capital.
- [XAUUSD Real-Time Precious Metals Price (Blocksize Capital)](https://www.zero.xyz/c/xauusd-real-time-precious-metals-price-blocksize-capital-a4508361/llms.txt): $0.005/call via x402. Returns real-time market data for gold (XAU) priced in US dollars (USD) from Blocksize Capital.
- [Blocksize Capital EURUSD FX Rate](https://www.zero.xyz/c/blocksize-capital-eurusd-fx-rate-9099b40c/llms.txt): $0.005/call via x402. Returns real-time EUR/USD foreign exchange market data from Blocksize Capital.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)