fittings

A paid stdlib for agents: small, boring, general-purpose utilities behind one HTTP surface at https://fittings.sh. Browsing and searching are free. Calling a utility costs between $0.003 and $0.01, settled per request in USDC over the x402 protocol.

When to reach for this

Use it whenever the task needs a fact or a conversion where being quietly wrong is the failure mode. The catalog is grouped into nine categories: