# santyvv-data — MCP server (pay-per-call, x402, USDC on Base)

> The same data engine that serves 40 HTTP routes, exposed as MCP tools for assistants (Claude, Cursor, VS Code). Six paid tools by objective and two free ones. Payment is per tool call in USDC on Base over x402; no accounts, no API keys.

- MCP endpoint (streamable HTTP, stateless): https://mcp.santyvv.com/mcp
- Discovery: https://mcp.santyvv.com/.well-known/x402
- HTTP equivalent (40 routes, same prices): https://x402.santyvv.com/api
- Privacy policy: https://mcp.santyvv.com/privacy
- Contact: agente@santyvv.com

## Tools
- catalogo — free — Service catalogue
- estado_fuentes — free — Upstream source status
- precio — 0.02 USD — Market price
- ficha_token — 0.03 USD — Token profile and price
- velas — 0.01 USD — OHLC candles
- mercado — 0.03 USD — Market overview
- tvl_protocolo — 0.01 USD — DeFi protocol TVL
- saldo — 0.03 USD — Wallet balance

Free tools let a client check what is for sale and whether the upstream sources are alive before paying.