What it is
Jeview is an unofficial local gateway and live map for Jev (TypeSafe System One). It sits between your code and TypeSafe, forwards requests, stores every call in local SQLite, and draws calls as they happen for developers debugging Jev usage.
How it uses Jev
Jeview forwards Jev requests to TypeSafe and records each call. It groups calls by project via the URL path, links later calls to earlier answers using a Jeview-Trigger header with an event id, and labels answers with option keys or display fields from a Jeview-Display header. The viewer shows these decisions on a live map.
Primitives:choicescorenoul
Technique worth stealing
Use a loopback proxy to capture and visualize every Jev call, linking related decisions via event ids in headers.
Try it
./launch.sh, then open http://127.0.0.1:4777/ and add your TypeSafe API key.
Evidence
Each line is one question put to Jev about the README. ≥ 0.60 reads as yes, ≤ 0.40 as no; in between Jev is not making a call.
- Jev-centricyes0.73
- Shows a System One patternno0.11
- Handles uncertaintyno0.04
- Measuredno0.04
- Runnableyes0.96
- Worth recommendingno0.20
- Model replicano0.02
- Problem scopescore on a 0–2 scale1.00
- About Jevyes0.99
Signals by Jev jev-1.13.0, card written by DeepSeek V4.1 Flash from the README on 21 Sept 2026.