Awesome list of TypeSafe AI Jev use cases: 74 demos ranked by likes, 150+ GitHub repos, limits, cost and API examples. CC0, sponsored by AY Automate.
# Add to your Claude Code skills
git clone https://github.com/walidboulanouar/awesome-jev-use-casesGuides for using mcp servers skills like awesome-jev-use-cases.
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awesome-jev-use-cases is an open-source mcp servers skill for AI coding assistants such as Claude Code, Codex CLI, and ChatGPT, built by walidboulanouar. Awesome list of TypeSafe AI Jev use cases: 74 demos ranked by likes, 150+ GitHub repos, limits, cost and API examples. CC0, sponsored by AY Automate. It has 54 GitHub stars.
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Clone the repository with "git clone https://github.com/walidboulanouar/awesome-jev-use-cases" and add it to your Claude Code skills directory (see the Installation section above).
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A list of things built with Jev, TypeSafe's model for typed decisions, with the numbers behind them: who posted each demo, how many followers they have, how many likes it got, and what the limits of the model are. This list is open source (CC0), free to copy and reuse, and sponsored by AY Automate. It is unofficial and is not affiliated with TypeSafe.
Every entry links to the original post or repository. Ideas that nobody has shipped are in their own section and marked as ideas.
The 30 most-liked demos, ranked. Click a card to open the original post. Each card shows the demo's rank, area, author, likes, reposts, and reach (likes divided by the author's followers). Preview frames are low-resolution stills from the builders' own videos and belong to them. If an author wants one removed, open an issue. Full metrics for every demo are in docs.
Short answers to the questions people ask most, each with a source.
What is Jev? Jev is a model from TypeSafe AI that answers typed questions instead of writing text. Each question is a Choice, a Score or a Noul (yes or no with a probability), and the answer comes back as a number or a pick with a confidence. It does not generate text. See What Jev is.
Is Jev the same as the "Jev" that searches show for Jevons paradox or Deltarune? No. The word has other meanings. Search for "TypeSafe Jev" or "Jev AI model".
How do I call the Jev API?
Send a POST to https://api.typesafe.ai/v1/systemone with a bearer key. A full curl example is in docs/api-quickstart.md.
How much does Jev cost? TypeSafe lists $42 per billion input tokens, and output tokens are free. Vercel says Jev is free on AI Gateway until Sept 25. See Reported cost and latency.
What can I build with it? Routers, classifiers, judges, guardrails, triage and game agents. The Top 30 demos and Browse by area show real examples.
What are the limits of Jev? It reads literally, is weak at math, counting and dates, and accuracy drops with irrelevant state. See Limits of Jev 1.13.
Is Jev better than an LLM? It is a different tool. Use Jev for fast typed decisions and an LLM for writing. Many demos pair them.
Which open-source Jev projects exist? More than 150 repositories. See Open source and Long tail.
Is this list official? No. It is unofficial, open source under CC0, and sponsored by AY Automate.
Short on time? Read in this order.