Julep

Julep is a stateful agent platform with an open SDK and task language for long-running agents — bridging framework and hosted runtime. Statefulness is a first-class product claim. Interesting when you want managed long-running agents quickly; for a company OS, insist that durable business state still lands in your ledger with exportable audit. Julep — durable, composable AI agents. Flows that crash and resume, retry safely, and explain every step. Julep builds agents as composable, durable dataflows instead of ad-hoc loops: flows can crash and resume, retry safely, explain every step through a derived projection, and deny any tool the model was not explicitly allowed to call. The primary authoring surface is define-by-construction @flow: ordinary Python names graph steps while registered tools, pures, reasoners, branches, fan-out, retries, and timeouts compile to the.