OPEN-SOURCE PROJECT DIRECTORY

Jev project radar

Browse community-built Jev projects, see what they solve and where Jev makes a decision, then open the repository and reviewed source links.

Data imported from AgentBuff Awesome Jev snapshot 2026-09-21 Review method

853open projects

23project categories

587Kcombined GitHub stars

295fixed-source reviews

01 / DIRECTORY

Browse Jev projects

Search by project, author, use, or tag, then filter by category or activity. Open project details to see how it uses Jev and review its source links.

Showing 649–672 of 853 Some public source has been reviewed; inclusion is not a performance or safety endorsement

extremely-specific-council

cbetz

649

Demos & Playgrounds

Twelve members. Zero qualifications. A playful TypeSafe AI council with animated votes, inspectable decisions, and shareable verdicts.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

fast-jev-compaction-pi

joslynSmall

650

Context GC & Filter MIT

This Pi extension asks Jev whether each completed tool call and its full result should be kept, then locally retains, truncates, or drops verbatim tool evidence in the compaction summary.

JEV · Decision point

Jev returns a structured decision for the local program; consult the source for the exact decision policy.

Adds structured choices or scores to the workflow; performance and cost benefits have not been independently verified.

context-compactionclassification-ranking

FinancialPredictionJev

thodoh1

651

Evaluation & Observability

Using Jev to test how well it predicts financial markets(just like most llms as of september 2026, it doesnt do that good)

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

foreman-jev

Shifty-Eye-Games

652

Evaluation & Observability MIT source reviewed

An experimental Jev supervisor for Codex workers with programmer-selected acceptance commands.

JEV · Decision point

Jev assesses progress and completion signals; deterministic acceptance checks still decide whether the work passes.

Separates a model’s assessment from executable completion checks.

coding-agentsevaluation-benchmarks

Browser-based request builder for the System One API: compose state plus typed Noul, Choice, and Score questions. Mock mode runs locally without an API key; Live mode requires your TypeSafe key and calls api.typesafe.ai directly. Generates typesafe_sdk Python. Includes companion Jev Suitability Test.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

frost

marcus

654

Agent Tooling

A flexible and configurable CLI model router using TypeSafe Jev.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

Game Plan

Community project

655

Games & Simulation

Small game that tests how Jev handles unknown input.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

Ground Truth news-framing extension

Community project

656

Articles & Threads

Browser extension that classifies an article's framing, type, topic, and loaded language with Jev.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

Hacker News launch thread

Community project

657

Articles & Threads

1,800-point thread debating whether typed decisions replace LLM calls for classification, routing, and scoring.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

harnessjudge

ndolinschi

658

Demos & Playgrounds

Judge agent steps — ok / retry / escalate / stop via TypeSafe Jev

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

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He says he co-invented ChatGPT. His new AI will not write a word

Community project

659

Articles & Threads

dev.to walkthrough of the Vercel AI SDK evaluate integration.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

hermes-jev-router

ussyverse

660

Agent Tooling

Experimental Hermes plugin: Jev-assisted model routing plans with budget and capability constraints. API access pending.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

Hide posts on X with natural language

Community project

661

Articles & Threads

Marcel Pociot's browser extension that collapses posts based on a Jev judgment.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

hiresignal

ndolinschi

662

Demos & Playgrounds

HireSignal — resume first-pass fit+interview via TypeSafe Jev

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

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Hollow Creek

Community project

663

Games & Simulation

Village NPCs that judge you each tick, deciding what to do and how they feel, instead of chatting.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

Hook panel A/B tester

Community project

664

Articles & Threads

Near-real-time scoring of TikTok and Instagram hooks against about 100 personas.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

HTTP API reference

Community project

665

Official

Request and response contract for POST /v1/systemone.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

human-compiler

asfarsadewa

666

Demos & Playgrounds

A compiler for human language. Paste text, get diagnostics. Measured by TypeSafe Jev.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

hush

emreozyoruk

667

MCP & Integrations

GitHub Action for issue triage that abstains: label, spam, needs-info and duplicate in one call, each applied only above a threshold you set, and nothing at all below it.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

Internal classifier field note

Community project

668

Articles & Threads

Matched-precision comparison against a private fine-tuned classifier.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

Introducing System One Models and Jev

Community project

669

Official

Launch post: architecture, RLCD training, pricing, Doom and Wikiracing demos, FAQ.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

Jev 1.13 jaggedness

Community project

670

Official

Known failure modes of the current public model, documented by TypeSafe.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

Jev Arcade

Community project

671

Games & Simulation

Krunker-style 1v1 FPS where Jev decides move, aim, ADS, fire, and jump at about 9 Hz.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.

Jev as an agent safety monitor

Community project

672

Articles & Threads

Test report using Jev to check each agent action first: most attacks caught, almost no false blocks.

BASIC LISTING

This listing includes an overview and project link; a reviewed Jev decision point is not yet available.

Open the project link to review its source material and implementation.