TypeSafe's official guide to building with Jev
TypeSafe's guide says most Jev calls return in about 100ms and advises keeping control flow in code, splitting judgments into narrow typed questions, and acting on confidence scores.
this is pure gold for anyone running coding agents TypeSafe, the team behind Jev, published their guide to building with it the promise: > most calls come back in about 100 ms > their target is over 100× the intelligence per unit of speed and cost the model hasn't been the slow part for a while the speed and the cost sit in how much of the work you hand to a model at all the rules from the guide: > keep control flow, rules and side effects in code > break broad judgments into narrow, typed questions > give each question only the context it needs > act, review or escalate on the confidence number how to use it: > install their skill in Claude Code: claude plugin marketplace add typesafe-ai/skills claude plugin install typesafe@typesafe-ai > drop the guide below into Claude Code and let it rebuild your agent's small decisions around Jev one catch they spell out: Jev doesn't replace the model behind Claude Code. It makes the small decisions inside what you build one evening of setup and your agent starts next week on a harness most teams still don't have
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