MCP connectors by com.x402supply.treasury-yield-curve

US Treasury par yield curve (1 month to 30 year, percent) for one date or the latest, with weekend and holiday dates mapped to the prior business day. yield_curve_history returns the curve for every business day in a date range. Data from the U.S. Treasury, not financial advice. Pay-per-call via x402 ($0.005 USDC on Base); initialize and tools/list are free.