Jev directory
Organization repository on GitHub
See what Jev thinks about your SaaS website — powered by ReplyNodes web context and Vercel AI Gateway.
Repo stats from the GitHub API, cached Oct 2026.Homepage
Paste a homepage. See what a first-time visitor — and Jev — can actually tell about it. Try the live demo → · Leaderboard → · Methodology →. The SaaS website teardown is only an example workload. The main purpose of this repo is to make Jev's evaluation pattern easy to see, run, modify, and reuse — including as a committed, static dataset (the leaderboard above) rather than only a single ad-hoc request.
Quoted from the project's README. Read the full README.
import { experimental_evaluate as evaluate } from "ai";
const result = await evaluate({
model: "typesafe-ai/jev",
state: markdown,
questions: {
value_proposition: {
type: "choice",
instructions: "Is the value proposition clear and specific?",
criteria: { clear: "Clear and specific", partly_clear: "Some parts unclear", unclear: "Unclear" },
},
},
});Watch out
Apache-2.0, and the UI was bootstrapped from a Vercel Labs demo whose license remains in the repo. Not affiliated with TypeSafe AI and needs both ReplyNodes and Vercel AI Gateway keys.
Short answers drawn from the linked project or page.
Posts, threads, and videos about this entry from around the web.
X: Jev lands on the Vercel AI Gateway
X: Vercel ships the AI SDK provider for Jev
YouTube: Greg Isenberg and Ryan Vogel on the businesses Jev unlocks, and a path in through the Vercel AI Gateway.
asfarsadewa/human-compilerTypeScript
fazlerocks/jevmailTypeScript
TypeSafeAI/clarity-judgeTypeScript
monteduro/killmyideaTypeScript
jexp/neo4jevJupyter NotebookOriginal write-ups on what this entry is for.
Posts from builders shipping with Jev right now.
