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Latest available Türkiye central government debt plus a comparable annual history from the World Bank World Development Indicators API, with source, lag and revision caveats. Purpose: Give an autonomous agent a normalize...
Collectible value & price check: trading card value, graded card (PSA/BGS/CGC) price, coin value, comic & vinyl record price. Returns current market value by grade and condition with recent sold comparables (eBay/Discogs...
Compound interest calculator. Compound interest on savings or an investment: starting amount, annual rate, years, compounding (yearly, quarterly, monthly or daily) and an optional contribution at the end of each month. R...
Wallet balance on Base: the native ETH balance of any address, read live from the chain. Input: address
Use when an agent needs x402 market totals. Returns market size: sellers listed by source and evidence (how many P0 has read itself), plus 30-day market totals from x402stats (CC BY 4.0), with attribution and a receipt