Derrick Hicks
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Jev KitAgent

Jev, meet
your AI.

Jev is having its moment, and it’s hard to tell what it’s for or where to start. The short version is that it makes the small judgment calls your business runs all day, for a fraction of what the big models cost. Jev Kit turns Claude Code or Codex into your coach for Jev, TypeSafe’s decision model. It explains Jev, sets it up with you, finds the first call worth handing over, and shows you whether it’s working.

Get Jev Kit

Your coach
for Jev.

Jev is easy to use once someone shows you. That’s the kit’s job.

Jev is a model built for one thing: quick decisions about text. Does this email need a reply from me. Does this draft follow my rules. Which bucket does this request go in. It answers with a decision and a confidence score, handles a stack of them at once, and doesn’t write anything. Your assistant is great at the thinking. Jev takes the repetitive judgment calls so it doesn’t have to.

Most of us pay our smartest models to make those calls today. By TypeSafe’s published figures, Jev makes them up to 400 times cheaper and far faster, which is what lets you run them across everything instead of a sample.

  • Understand it. What Jev is good at, what it isn’t, and where it fits in your work.
  • Set it up. Your assistant connects your TypeSafe account and runs the first decision with you.
  • Find the first job. A few questions about your week turn up the decision worth handing to Jev.
  • Test before you trust. You mark the right answers on a few examples, set a spending limit, and see where Jev gets it right and where it doesn’t.
  • Check in. A short log of what ran, what it cost and what worked, plus a review whenever you want one.

It runs inside the tools you already use.

Unzip the download into your project, say “set up Jev” in Claude Code or Codex, and your assistant reads the kit and walks you through it, one real task at a time. From then on Jev is one more thing your assistant can use, and you decide what it’s allowed to act on.

Under
the hood.

  1. jev-kit/
  2. agents/jev-kit/The coach.
  3. IDENTITY.mdWho it is, how it works with you, what it may act on.
  4. playbooks/Principles, decision shapes, worked examples, a test template.
  5. jev.pyThe one script that talks to Jev.
  6. skills/Five skills your assistant picks up on its own.
  7. jev-setupConnect it and make the first call.
  8. jev-findFind the first job worth handing over.
  9. jev-testTry it on labeled examples before you trust it.
  10. jev-useUse it inside a real workflow.
  11. jev-reviewLook back at what ran, what it cost, what worked.

Before
you start.

Your workspace
Claude Code or Codex, with Python 3.10 or later on your computer
A TypeSafe account
Your own account and an API key, the password that lets your assistant talk to Jev
First session
About twenty minutes to understand it, connect it and run a first test

The kit is free. Jev usage is billed by TypeSafe on your own account; see their current pricing.

Bring Jev into
your workflow.

Get Jev Kit

Free when you join Full Context, my Tuesday email. The download starts right away.