{"name":"47620 Multichain Data API","description":"Pay-per-call blockchain data and pre-payment safety/risk checks for autonomous agents, across Solana, Base and Polygon. One MCP server, neutral tools with an explicit `chain`. Settles over x402 (USDC on any of the three chains) with no accounts or API keys.","version":"1.0.0","url":"https://47620.xyz","protocolVersion":"1.0.0","supported_interfaces":[{"url":"https://47620.xyz/mcp","transport":"streamable-http","protocol_binding":"mcp"},{"url":"https://47620.xyz/x","transport":"http","protocol_binding":"x402"}],"provider":{"organization":"47620","url":"https://47620.xyz"},"capabilities":{"streaming":false,"pushNotifications":false},"default_input_modes":["application/json","text/plain"],"default_output_modes":["application/json"],"security_schemes":{"x402":{"type":"x402","description":"Pay-per-call over x402: the endpoint returns HTTP 402 with a PAYMENT-REQUIRED header; pay in USDC on Solana, Base or Polygon (facilitated) and resend with the PAYMENT-SIGNATURE header."}},"skills":[{"id":"solana-risk-check","name":"Solana pre-payment risk check","description":"Before sending SOL/USDC to any address: returns account type, balance, activity and a 0-100 risk score with a proceed/review/do-not-pay recommendation. The destination gate for an agent spend policy.","tags":["solana","risk","safety","payments"],"examples":["is 8iZbjedTiMYVYGE9PZBHPm7k2KeXRqWAuCpSAxHm7j68 safe to pay?"]},{"id":"solana-data","name":"Solana blockchain data","description":"Live Solana data: network health, SOL/USD, token market data, account balances, transactions, trending DEX pairs, token safety and whale concentration.","tags":["solana","blockchain","data","market"],"examples":["current SOL/USD and network health","safety of token EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v"]}]}