Select a recipe to explore its example, contract, and evidence.
Small functions. Explicit decisions.
Give your code
a little judgment.
Route a request. Check evidence. Review an agent action. Jev recipes turns one focused question into a typed TypeScript result, with uncertainty built in.
npm install jev-recipes
Open source · Your application decides what happens next.
A decision, made visibleSaved example
Loading the saved example…
Saved responses, no live model calls. Confidence is a model estimate, not measured accuracy.
See the saved routing policy
| Minimum confidence | Decision status | Selected route |
|---|---|---|
| 50% | ready | billing |
| 60% | ready | billing |
| 70% | ready | billing |
| 80% | ready | billing |
| 90% | ready | billing |
| 95% | review | None; review required |
| 100% | review | None; review required |
What does your app need to decide?
Find a small function for the moment your code needs judgment.
How Jev chose these
Explore the rerank recipeLoading recipes…
Suggested starting points firstFrom a decision to your code.
Run a saved example without an API key. Then connect TypeSafe and evaluate your own cases.
Get started with TypeScriptnpm install jev-recipes
npx jev-recipes demo routeNode.js 22.9+ · Saved examples run offline.
Built with Jev
A little judgment.
A little judgment.
A lot of possibility.
Hear it in Jevthoven: a music app that lets you choose a style, key, and tempo, then inspect Jev’s musical decisions.
Explore JevthovenTry the support-routing starterShare what you’re building
Jevthoven playback requires sign-in. Working examples do not establish recipe accuracy.
About Jev recipes
Maintained by Jeff Patterson with jev-recipes contributors. This is an independent community project released under the MIT license. Jev and TypeSafe are products of TypeSafe AI.
Recipe guides are built from the same metadata, schemas, saved fixtures, and evaluation reports used by the package. Inspect the source repository or report a bug or request a recipe.