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CommunityJev Tools & CLIs
Jev minimal web UI
A minimal web UI for Jev, TypeSafe AI's first System One model: enter a free-text state, add typed questions, and Jev evaluates them all in parallel in one request, returning structured answers with calibrated probabilities instead of generated text.
- Stars
- 0
- Language
- JavaScript
- Reading time
- 2 min
- Published by
- Community
- Author
- longspeed
- Last verified
- Oct 2026
Used inJev for Software & DevTools
- Languages
- JavaScript
- Capabilities
- Open sourceRequires API key
Highlights
- Enter a state of any text, add one or more typed questions, and Jev evaluates all of them in parallel in a single request.
- Supports the three System One question types: Choice with probabilities and confidence, Score with a legend, and Noul yes/no returning a 0 to 1 value.
- The Vite config proxies /api/* to api.typesafe.ai to avoid browser CORS errors; the app calls /api/v1/systemone and Vite forwards it upstream.
- Requires Node 18+ and a TypeSafe API key in a gitignored .env as VITE_TYPESAFE_API_KEY; then npm install and npm run dev.
- Quotes the premise of no text generation, no parsing and no hallucinated tool calls. 0 stars, created and pushed 2026-10-03, no license listed.
Quickstart
bash
npm install
npm run devWatch out
README reviewed 2026-10-17; the captured excerpt cuts off inside the 'How it works' section, so the UI code, result rendering, error handling and license are not visible; GitHub lists no license and 0 stars.
Questions about this entry
Short answers drawn from the linked project or page.
A minimal browser interface for Jev: you enter a state as free text, add one or more typed questions, and the app submits them so Jev evaluates all of them in parallel in a single request.
Three: Choice for picking from a fixed option set, returning choice, probabilities and confidence; Score for rating on a spectrum, returning score, legend, probabilities and confidence; and Noul, a yes/no returning a value from 0 to 1.
The Vite config proxies /api/* to https://api.typesafe.ai, so the app calls /api/v1/systemone through the dev server and the request is forwarded upstream rather than hitting the API cross-origin.
Node 18 or newer and a TypeSafe API key: set VITE_TYPESAFE_API_KEY in a .env file, then run npm install and npm run dev; the README notes the .env file is gitignored and should never be committed.
The README points to the TypeSafe dashboard at console.typesafe.ai/keys, and warns that the key belongs in the gitignored .env file, shown as VITE_TYPESAFE_API_KEY with an apikey_ placeholder value.
It says Jev returns structured answers with calibrated probabilities and involves no text generation, no parsing and no hallucinated tool calls, because the model evaluates its typed questions directly.
The captured README stops partway through the 'How it works' section, so result rendering, styling, error handling and tests are not documented, and GitHub shows 0 stars with no license listed.
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