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eve

Vercel's open agent framework, which ships Jev as the default evaluation model in its experimental evaluate path.

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The Open Framework for Building Agents

Getting started

This creates a new my-agent directory, installs its dependencies, initializes Git, and starts the interactive terminal UI. The generated agent uses openai/gpt-6-luna-fast with high reasoning.

Source: community catalog. Details and metrics reflect the published community snapshot and are not a performance endorsement. Documentation details extracted from GitHub · the README · the project website.

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ai-cli project preview

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@ai-sdk/typesafe-ai plus experimental_evaluate; use jev-latest as an evaluation model.
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jevcore project preview

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TypeSafe Jev for DeepSeek Harness, the Model Context Protocol, and plain Node: typed judgments instead of prose, offline by default.
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toolgate (RiskAverseTech) project preview

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Open auto mode for AI agents — a calibrated tool-call firewall powered by TypeSafe Jev. Ships as a Claude Code hook
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jev-eval-agent project preview

jev-eval-agent

Benchmarks & research
Personal-assistant agent built on Vercel's eve with 100 mocked tools, measuring how many steps it takes when Jev picks the tool versus the LLM.
VMade byvinilana105
clean-code-review project preview

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Agent tooling
Every code file in a pull request, judged against Uncle Bob's Clean Code by TypeSafe's Jev, then reviewed by Luna. Built on eve and Next.js.
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jev_stock project preview

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An experimental JEV-powered framework for forecasting short-term stock price direction from structured market data.
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typesafe-3d-chess project preview

typesafe-3d-chess

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3D chess powered by TypeSafe AI (Jev). AI vs AI by default, or play either side. Multiple difficulty levels.
MMade bymalDuffin0