EVERY ENTRY HAS RECEIPTS

AWESOME
JEV

Open-source directory

Every project here really calls Jev in its source · refreshed daily

788projects
182runnable here
765code receipts

ALL 788 PROJECTSEvery project

experiments/browser-chaos/src/jev-driver.ts
questions: {
  stuck: boolean,
  destructive: boolean,
}
runnable
@mizchi17

jev-playground

TypeSafe AI の System One モデル Jev を MoonBit から触るためのプレイグラウンド。

Benchmarks & researchTypeScript
src/evals/judges/system_one.py
questions: {
  does_pass: boolean,
}
runnable
@danielgshea12

jev-as-a-judge

Using Jev as an evaluator.

Benchmarks & researchPython
extensions/eutrya-adaptive-extension/src/router.mjs
questions: {
  route: choice,
  toolFree: boolean,
}
runnable
@hellozenstrategist-lab8

eutrya

Jev-native AI security harness for autonomous research, multi-agent swarms, persistent hunt boards, and long-running agent workflows. CLI-first, open source, and built for authorized security research.

Benchmarks & researchJavaScript
tests/test_with_model.py
questions: {
  a: boolean,
  b: boolean,
}
runnable
@aabolfazl6

typesafe-local

Inspired by TypeSafe Ai, Ask a local LLM typed questions, get calibrated probabilities instead of text. Structured output without generation or parsing. MLX / Apple Silicon.

Benchmarks & researchPython
test/tool.test.js
questions: {
  urgent: boolean,
}
runnable
@arunav255

jev-mcp

Connect JEV to MCP clients and compare its judgments against general-purpose LLMs using shared datasets and measurable accuracy.

Benchmarks & researchJavaScript
src/decisions.ts
questions: {
  instructions: boolean,
}
runnable
@thejorgg5

omp-jev

TypeSafe Jev routing for Oh My Pi, with an opt-in checkpoint orchestrator and editable XDG configuration. Requires Bun = 1.3.14 and OMP = 18.2.3.

Benchmarks & researchTypeScript
src/jevchat/state.py
questions: {
  done: boolean,
}
runnable
@adhyaay-karnwal3

jev-chat

A chatbot from typed Jev decisions: hierarchical speculative decoding over System One probabilities.

Benchmarks & researchPython
jev-browse.mjs
questions: {
  done: boolean,
  blocked: boolean,
}
runnable
@kyrylosyzonenko3

jev-browse

jev-browse is an unofficial project and isn't affiliated with TypeSafe or Vercel.

Benchmarks & researchJavaScript
web/home.js
questions: {
  what: choice,
}
runnable
@4anti2

jev-broadcast-lab

Operator lab for TypeSafe Jev. Chess Arena, closed-schema booths, Stockfish HUD for review only.

Benchmarks & researchJavaScript
experiments/probe.py
questions: {
  department: choice,
}
runnable
@FirasSX9142

Janus

Measure when to use Jev and other models on your data, then route accordingly.

Benchmarks & researchPython
src/eval/builtin.ts
questions: {
  task_completion: score,
  instruction_following: boolean,
  grounded_in_evidence: boolean,
  // +5
}
runnable
@memovai2

openevals

Affordable for parallel online agent evals and observability. Powered by JEV.

Benchmarks & researchTypeScript
examples/doom/server/src/session-jev-trace.test.ts
questions: {
  action: choice,
}
runnable
@superradcompany2

multiverse-of-madness

Jev and Microsandbox explore alternate game futures with a reusable TypeScript learning harness

Benchmarks & researchTypeScript
src/gateway.mjs
questions: {
  label: choice,
}
runnable
@acoyfellow1

nightglass

Owned, deterministic classifier for checking whether agent claims are supported by evidence, with optional Jev comparison through Cloudflare AI Gateway.

Benchmarks & researchJavaScript
firewall/judge.py
questions: {
  is_urgent: boolean,
  severity: score,
}
runnable
@AnshChoudhary1

typesafe-ai-firewall

Shadow-mode validation harness for a pre-execution firewall on AI agent tool calls (TypeSafe/Jev). Real run, findings in report.md.

Benchmarks & researchPython
experiments.py
questions: {
  is_regulation: boolean,
  mentions_deadline: boolean,
  mentions_fines: boolean,
  // +5
}
runnable
@copyleftdev1

jev-labs

Never confidently wrong: a TLA+-verified consensus kernel around TypeSafe's Jev, run through 1,680 chaos-tested pharmacy decisions with zero wrong verdicts. Film, code, and every captured call.

Benchmarks & researchPython
packages/lab/src/scenarios.ts
questions: {
  topic: choice,
  requests_credentials: boolean,
  sender_identity_mismatch: boolean,
  // +4
}
runnable
@danielhirt1

jev-lab

Experiments on TypeSafe Jev (System One decision model) via OpenRouter: repeatability, perturbation, and LLM baseline comparison

Benchmarks & researchTypeScript
berserk/global-payment-incident/demo.py
questions: {
  failure_domain: choice,
  customer_impact: score,
  systemic_outage: boolean,
}
runnable
@JGalego1

Jevs-Garage

A garage full of tiny experiments for building critical systems with System One & Jev 🔧🧠⚡

Benchmarks & researchPython
samples/comment_triage/triage.py
questions: {
  impact: score,
}
runnable
@pavy231

jev_typesafeai_test

TypeSafe AI (jev) 시범 사용 프로젝트

Benchmarks & researchPython
test_jev.py
questions: {
  is_urgent: boolean,
  needs_human: boolean,
  is_financial: boolean,
}
runnable
@TanayPadar1

gpt-vs-jev

Compare GPT generated language with JEV structured Noul decisions on the same input.

Benchmarks & researchTypeScript