jevbooks

Jev open-source projects

A directory of Jev-related open-source tools, experiments and integrations. Filters run in your browser.

2112 projects listed · updated 4 Nov 2026

Card markers are model judgments from repository metadata, an existing summary and the first 700 cleaned README characters: ✓ reported, — not found, ? inconclusive. Not found does not mean absent; these projects have not all been run by this site.

Showing 60 of 2112 · Page 2 of 36

Cross-harness coding-agent toolkit with Jev-gated routing via /d.

  • Jev-centric: unclear
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

22 latency-focused Jev demo apps built by Devin

Scoring & Ranking★ 413TypeScript
  • Jev-centric: unclear
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: unclear

Fast System One decision model for AI agents: calibrated probabilities, no text generation.

Agent Decisions★ 398Python
  • Jev-centric: reported in the excerpt
  • Reports measurements: unclear
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

WXT extension that uses Jev to hide page clutter.

Other★ 389TypeScript
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Semantic code and security scanner using configurable Jev questions.

Evaluation & Benchmarking★ 360JavaScript
  • Jev-centric: reported in the excerpt
  • Reports measurements: reported in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Three AI trading bees on OKX, every decision by Jev.

Finance & Trading★ 336TypeScript
  • Jev-centric: reported in the excerpt
  • Reports measurements: reported in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: unclear

MuJoCo Franka Panda workbench where Jev picks bounded simulator actions.

Agent Decisions★ 333Python
  • Jev-centric: unclear
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Benchmark for AI decision models measuring accuracy, calibration, latency, cost.

  • Jev-centric: unclear
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: not found in the excerpt

Educational MLX/Qwen vision-language inference with direct candidate scoring.

Scoring & Ranking★ 327Python
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Adaptive reasoning effort for GPT-6 during Codex tasks, powered by Jev.

Agent Decisions★ 315JavaScript
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Camera-only MuJoCo drone with Jev judgment model in the loop

Agent Decisions★ 299Python
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: not found in the excerpt

Video model scoring temporal candidates and multiple-choice answers without text generation.

Scoring & Ranking★ 290Python
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: unclear

Local MCP server giving coding agents Jev quality scores.

Scoring & Ranking★ 248TypeScript
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Three.js driving simulator with Jev-powered autopilot

Game & Simulation★ 233JavaScript
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Multimodal System One model answering typed questions with calibrated probabilities.

Agent Decisions★ 227Python
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Live Jev trader on Hyperliquid

Finance & Trading★ 225TypeScript
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Community directory of projects built on Jev.

Other★ 222JavaScript
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: not found in the excerpt

DiffusionGemma NVFP4 structured decisions on a DGX Spark: container recipe.

Agent Decisions★ 221HTML
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Curated list of Jev use cases, projects, SDKs, and resources.

Other★ 204
  • Jev-centric: unclear
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: not found in the excerpt

Browser-grounded social research with Jev-chosen read-only operations.

Agent Decisions★ 197JavaScript
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Browser agent where Jev picks each action from the page's controls.

Agent Decisions★ 173Rust
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Tiny decision model: state + typed questions → calibrated probabilities.

  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

End-to-end toolkit for Jev-style decision models: data, training, evaluation, serving.

Agent Decisions★ 164Python
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Open-weight Jev alternative for typed decisions with probabilities.

  • Jev-centric: reported in the excerpt
  • Reports measurements: reported in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Code quality, security and coverage for coding agents.

  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Grep by meaning across languages using Jev probabilities.

Scoring & Ranking★ 150JavaScript
  • Jev-centric: unclear
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Jev prioritizes code review hunks; OpenAI explains them.

Scoring & Ranking★ 149JavaScript
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt

Grep by meaning across languages using TypeSafe AI's Jev.

Scoring & Ranking★ 144JavaScript
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: reported in the excerpt
  • Describes a runnable tool: reported in the excerpt

Unofficial TypeSafe Jev showcase: System One decisions, not chat.

Agent Decisions★ 140Python
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: not found in the excerpt

One-pass Gemma 3 option scorer with a System One-compatible endpoint.

Scoring & Ranking★ 135Python
  • Jev-centric: reported in the excerpt
  • Reports measurements: not found in the excerpt
  • Describes uncertainty handling: not found in the excerpt
  • Describes a runnable tool: reported in the excerpt