Chain metadata: chainId, latest block, gas price and finality across 5 EVM chains. Deterministic, Ed25519-signed. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure. $0.001 USDC via x402 on Base. SYNTHORA.
Prices and medians update for the tier you select.
Agents cost 0.9× MCP servers at the Pro tier.
Ranked by how closely each one matches Chain metadata's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.