query-onchain-data

Query onchain data on Base using SQL with per-query x402 payments. Use the CDP SQL API to query onchain data (events, transactions, blocks, transfers) on Base. Queries are executed via x402 and are charged per query. If the wallet is not authenticated, refer to the authenticate-wallet skill. IMPORTANT : Always single-quote the -d JSON string to prevent bash variable expansion. Before constructing the command, validate inputs to prevent shell injection: Do not pass unvalidated user input into the command. Queries against base.events MUST filter on indexed fields to avoid full table scans. The indexed fields are: Always include at least one indexed field in your WHERE clause.