A FIELD GUIDE TO JEV / VOL. 01
The best of Jev. Real projects, practical guides and ideas from across the internet.
THE OFFICIAL SIGNAL 4 HIGHLIGHTS
Diogo Almeida@CompleteSkepticLAUNCH POSTDiogo Almeida introduces Jev, a structured decision model from TypeSafe. This resource provides an overview of the model's core approach, practical examples, and performance metrics as reported by the author.
TypeSafe AI@typesafeaiOFFICIALTypeSafe officially launches its research lab and introduces Jev to the developer community. This announcement features a launch film by Diogo Almeida and provides foundational context for the project's mission and future direction.
TypeSafe AI@typesafeaiOFFICIALTypeSafe has removed the waitlist for Jev, allowing public access to the platform. Developers can use the official console to integrate and test typed decision-making capabilities within their own software applications.
JEVLAB ARTTypeSafe AI@typesafeaiOFFICIALTypeSafe highlights Jev’s typed-output approach, where applications provide state and questions to receive structured probabilities, choices, or scores. The announcement also details the integration of the Venice API for developers.
JEVLAB ARTStart with the Launch Post. Explore four official signals.
1,262 resources
AI-assisted summaries and translations. Check original sources for context and performance claims.
An independent, type-safe Swift SDK for TypeSafe Jev, with async/await, batching, retries, and SPM support.
JEVLAB ART
EnglishJev PASSFIT 79%CAT 96%
Jiaqi GuThis project demonstrates an implementation of Jev for intelligent skill routing within an agent-based architecture. It showcases how community-driven development patterns can be applied to manage task distribution and decision-making processes in autonomous systems.
JEVLAB ART
简体中文Source-linked curation
Code quality and test coverage for coding agents: Jev scores each source file so the agent knows what to fix first.
JEVLAB ARTEnglishJev HOLDFIT 51%CAT 57%
YouWare is a recruitment tool designed to automate the evaluation of job applications. The developer claims the system can process 360 résumés in under 25 seconds while providing automated scoring for candidates.
JEVLAB ARTEnglishSource-linked curation
Ian NuttallA community experiment using Jev to analyze social media posts and determine effective content strategies.
EnglishJev HOLDFIT 63%CAT 43%
decido is a Python library designed for making probabilistic decisions. It supports integration with Jev or custom providers and utilizes Playwright for web crawling tasks to facilitate automated decision-making workflows.
JEVLAB ARTEnglishSource-linked curation
This research project investigates the practical utility of Jev confidence scores during task execution. It provides a framework for developers to assess how these metrics correlate with model performance in real-world scenarios.
JEVLAB ARTEnglishSource-linked curation
Jevinik is a stock evaluation tool that utilizes Jev to facilitate rapid market analysis. The project demonstrates how automated processing can be applied to financial data to assist users in evaluating market trends and research.
JEVLAB ARTEnglishSource-linked curation
This project integrates Jev into the classic Chrome Dino game to provide real-time decision scoring. It demonstrates how external logic can influence gameplay mechanics by displaying live evaluation metrics during the runner sequence.
JEVLAB ARTEnglishSource-linked curation
This project features a real-time Tetris implementation where Jev-based agents compete against other AI models. It demonstrates game logic integration and multi-agent interaction within a competitive environment.
JEVLAB ARTEnglishSource-linked curation
This resource demonstrates the use of Jev for real-time coaching support. It highlights how the tool assists users in identifying and correcting errors or inconsistencies during writing sessions to improve overall quality.
JEVLAB ARTEnglishSource-linked curation
TypeSafe Jev plays original Civilization II in a browser, with live action probabilities. Experimental full-game harness.
JEVLAB ARTEnglishJev PASSFIT 77%CAT 99%
Short practical intro with a Python ticket-triage example.
JEVLAB ARTEnglishJev HOLDFIT 75%CAT 62%
Rob HallamSuperX integrates with Jev to automate content evaluation. The creator claims the tool analyzes 61 distinct questions per post in under one second to estimate viral potential.
EnglishJev HOLDFIT 63%CAT 90%
This community project demonstrates the potential of Jev to function as a computing environment by emulating a 6502 processor. It serves as an experimental proof-of-concept for running legacy hardware architectures within the Jev framework.
JEVLAB ARTEnglishSource-linked curation
Jev conducts a sentiment-based stock market analysis for the Danish market in 2025, using diverse data sources with low cost.
JEVLAB ARTEnglishJev HOLDFIT 52%CAT 99%
DGUI-HyperMem (DeckerGUI HyperMemory) - self-hosted hybrid memory MCP server on Cloudflare Workers with a JEV (Choice/Noul/Score) reasoning layer and a HuggingFace training-brain flywheel.
JEVLAB ARTEnglishJev HOLDFIT 65%CAT 41%
jlink provides a framework for linking data records using plain-English matching rules. It utilizes Jev Noul pair judgments to perform local candidate blocking and automated match resolution for record linkage tasks.
JEVLAB ARTEnglishSource-linked curation
CV diagnostics and job alignment with TypeSafe Jev, React and FastAPI.
JEVLAB ARTEnglishJev HOLDFIT 65%CAT 55%
jevscape provides a RuneBench harness for Jev, featuring a bounded action catalog and a tick-mode controller. It includes a live dashboard designed to help developers monitor and manage agentic workflows within the Jev ecosystem.
JEVLAB ARTEnglishSource-linked curation
This project demonstrates a Snake game implementation where movement is controlled by parallel Jev assessments. It showcases a specific architectural pattern using one API call per game tick to manage the snake's directional logic.
JEVLAB ARTEnglishSource-linked curation
This open-source project introduces a routing mechanism for Claude Code. It demonstrates how to prioritize frequently used skills through Jev integration to improve task selection efficiency.
JEVLAB ARTEnglishSource-linked curation
This Scala 3 client for the System One API provides an effect-agnostic interface compatible with various sttp backends. It enables developers to integrate Jev services using their preferred effect systems while ensuring type-safe handling of question values.
JEVLAB ARTEnglishSource-linked curation
An experimental Snake environment where the game engine owns deterministic rules and TypeSafe AI's Jev makes the movement decision from structured state on every tick.
JEVLAB ARTEnglishJev PASSFIT 79%CAT 99%
Ultra-fast model routing using Jev for agent-based systems.
JEVLAB ARTEnglishJev HOLDFIT 43%CAT 72%
Reusable GitHub Action: agent fix loop gated by checks, an AI reviewer, and TypeSafe Jev.
JEVLAB ARTEnglishJev HOLDFIT 66%CAT 33%
This repository provides a curated collection of software utilities designed for Jev, the TypeSafe AI System One model. It serves as a central directory for developers seeking tools to implement typed decision-making workflows within their own AI-integrated projects.
JEVLAB ARTEnglishSource-linked curation
This Go-based CLI and single-binary MCP server integrates TypeSafe judgments directly into Claude Desktop, Claude Code, and Codex environments. It demonstrates a method for bridging formal verification outputs with LLM-based coding assistants for improved workflow reliability.
JEVLAB ARTEnglishSource-linked curation
Semantic SQL for Postgres, powered by Jev.
JEVLAB ARTEnglishJev HOLDFIT 68%CAT 84%
This project demonstrates the application of Jev to predict human move patterns in a game of rock-paper-scissors. The creator claims the system identifies behavioral trends to anticipate player choices during competitive play.
JEVLAB ARTEnglishSource-linked curation
This project integrates Jev into the DeepSeek Harness framework. It demonstrates how developers can utilize Jev for automated judgment tasks within existing evaluation pipelines to streamline model assessment workflows.
JEVLAB ARTEnglishSource-linked curation
Chandramouly KandacharJev controls both hands and fingers to play piano in real-time based on visual input.
EnglishJev HOLDFIT 56%CAT 64%
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.
JEVLAB ARTEnglishJev HOLDFIT 55%CAT 84%
This project provides a compact, extensible harness designed to facilitate decision-to-action workflows within TypeSafe Jev environments. It serves as a utility tool for developers looking to streamline automated logic execution.
JEVLAB ARTEnglishSource-linked curation
OFFICIALTRANSLATEDTypeSafe AIThis official TypeSafe AI reference explains techniques for structure recovery. It demonstrates how to reliably parse and format unstructured model outputs into consistent, machine-readable data structures for downstream application integration.
JEVLAB ARTEnglishJev HOLDFIT 85%CAT 57%
Alan DaitchThis project demonstrates an automated agent designed to streamline second-hand product discovery. The creator claims the system evaluates listings at a rate of 26 items per minute to assist users in making faster purchasing decisions.
EspañolJev HOLDFIT 17%CAT 93%
Nader DabitThis project demonstrates a predictive launcher powered by Jev. It aims to anticipate user intent by analyzing typing patterns to streamline navigation and task execution within the interface.
EnglishJev HOLDFIT 59%CAT 70%
This extension for Pi coding agents implements TypeSafe Jev validation for tool interactions. It provides automated security checks including prompt injection detection, secret scrubbing, and task pinning to improve the reliability of agentic workflows.
JEVLAB ARTEnglishSource-linked curation
s1s is a search tool designed to help developers navigate and trace codebases. It utilizes TypeSafe judgments and repository evidence to assist in understanding complex project structures and relationships.
JEVLAB ARTEnglishSource-linked curation
Grep, but the pattern is a description. Filters lines by meaning with TypeSafe's Jev decision model: ~200 ms and a thousandth of a cent per line.
JEVLAB ARTEnglishJev PASSFIT 72%CAT 71%
mimicry is a tool designed to rewrite AI-generated drafts to match a specific personal voice. It utilizes a bounded TypeSafe feedback loop to maintain consistency and control throughout the text refinement process.
JEVLAB ARTEnglishSource-linked curation
This repository provides a Go SDK for interacting with the TypeSafe AI API. It enables developers to integrate TypeSafe AI functionality directly into Go applications by providing structured client methods for API communication.
JEVLAB ARTEnglishSource-linked curation
ACP and MCP adapter that bridges TypeSafe Jev with any LLM — computer use and typed decisions alongside Codex, Claude, Grok, and OpenCode.
JEVLAB ARTEnglishJev HOLDFIT 71%CAT 43%
A tool developed using Jev to create a voice builder for Youform, noted for its speed.
JEVLAB ARTEnglishJev HOLDFIT 61%CAT 66%
This project demonstrates a hybrid coding architecture where a deliberative System 2 handles complex logic while a Jev-based System 1 manages rapid, reflexive execution. It explores balancing high-level reasoning with immediate, automated responses in software development.
JEVLAB ARTEnglishSource-linked curation
This GitHub Action utilizes Jev to automate the triage and classification of pull requests. It demonstrates how developers can integrate automated decision-making workflows directly into their repository management processes to streamline code review tasks.
JEVLAB ARTEnglishSource-linked curation
This tool automates pull request analysis by evaluating code against Clean Code principles. It utilizes Jev for assessment and Luna for review, providing structured feedback on code quality within a Next.js framework.
JEVLAB ARTEnglishSource-linked curation
aresThis demonstration showcases Jev processing a large volume of advertising data. The creator claims the system can handle nearly two thousand ads in under twenty seconds, suggesting potential for high-speed market analysis workflows.
EspañolJev HOLDFIT 14%CAT 41%
This video guide explores the core capabilities of Jev, demonstrating how it handles browser automation, data classification, and code review tasks without relying on traditional large language models.
EnglishJev HOLDFIT 49%CAT 48%
This gaming project demonstrates a mechanism for toggling between manual control and AI-driven gameplay. It showcases how Jev can be integrated into interactive environments to facilitate real-time transitions between human input and automated agent decision-making.
JEVLAB ARTEnglishSource-linked curation
Nick KhamiThis demonstration explores using inference engineering and scoring endpoints to guide open source models toward Jev-style decision-making. The creator showcases a workflow for implementing these behavioral adjustments within the model architecture.
EnglishJev HOLDFIT 46%CAT 88%
This browser extension utilizes Jev to analyze and classify online articles. It demonstrates how to automatically identify news framing, content topics, and the presence of loaded language within web-based media.
JEVLAB ARTEnglishSource-linked curation
Local Telegram channel JSON analyzer for intent, quality, sentiment, and speaker tone.
JEVLAB ARTEnglishJev HOLDFIT 23%CAT 59%
Run a JSON Schema through TypeSafe's Jev API, and get JSON back.
JEVLAB ARTEnglishJev PASSFIT 75%CAT 78%
A community post details a Pac-Man game where every move is determined by Jev, offering strategic insights.
JEVLAB ARTEnglishJev HOLDFIT 62%CAT 99%
This project demonstrates using Jev to enable real-time voice commands for browser navigation. The creator claims the system processes speech into actionable browser commands within 300 milliseconds while maintaining low operational costs.
JEVLAB ARTEnglishSource-linked curation
x.comA community post explaining Jev as an AI for decision-making, faster and cheaper than frontier LLMs.
JEVLAB ARTEnglishJev HOLDFIT 51%CAT 84%
This browser-based tool simplifies creating requests for TypeSafe Jev by providing a template-driven interface. It allows users to fill in required fields locally without needing JSON knowledge or software installations, streamlining the request generation process.
JEVLAB ARTEnglishSource-linked curation
Max BladeThis project demonstrates an ambient assistant built with Jev that functions without a wake word. It utilizes probability-based analysis to identify user intent within continuous audio streams, aiming to create a more natural interaction model.
EnglishJev HOLDFIT 62%CAT 67%
This project demonstrates a playful application of Jev technology to generate randomized responses to user inquiries. It functions as a digital novelty tool, showcasing how Jev can be integrated into interactive, decision-making interfaces for casual entertainment purposes.
JEVLAB ARTEnglishSource-linked curation
x.comJev is integrated with Cloudflare AI Gateway to provide structured answers to typed questions.
JEVLAB ARTEnglishJev HOLDFIT 67%CAT 62%
OFFICIALTRANSLATEDTypeSafe AIThis official TypeSafe reference defines the Score primitive. It explains the core mechanics for evaluating model outputs within the TypeSafe framework, providing developers with the necessary technical specifications for implementation.
JEVLAB ARTEnglishJev PASSFIT 87%CAT 91%
Mormon NegroAn agent using headless Chromium to quickly navigate the web, demonstrated by browsing Wikipedia links efficiently.
EspañolJev HOLDFIT 12%CAT 92%
switchloom is a deterministic model routing system designed for coding agents. It demonstrates a specialized mechanism for managing model selection, specifically highlighting capabilities related to Codex integration for automated programming tasks.
JEVLAB ARTEnglishSource-linked curation
1v1 Jev quickscope arena — Three.js + TypeSafe System One.
JEVLAB ARTEnglishJev PASSFIT 79%CAT 98%
gokaygokayThis simulation game tasks players with managing a city built upon a whale. It demonstrates a decision-making framework integrated with GPT-6 Astra and H3 Max to maintain the survival of the settlement.
EnglishJev HOLDFIT 59%CAT 98%
Vishesh BaghelA community project using Jev to customize Hacker News content preferences.
EnglishJev HOLDFIT 47%CAT 44%
This project demonstrates a massively parallel browser-based testing suite designed for adversarial evaluation of software releases. The creator claims this approach enables cost-effective automated testing by running multiple browser instances simultaneously to identify potential vulnerabilities.
JEVLAB ARTEnglishSource-linked curation
This resource explores the use of Jev as a tool for language generation. It highlights community perspectives on the platform's potential and challenges existing assumptions regarding its functional capabilities in text synthesis.
JEVLAB ARTEnglishSource-linked curation
This video guide demonstrates how to utilize the Jev architecture to construct various software applications. It provides a practical overview of the development workflow and capabilities available within the Jev ecosystem for creators.
EnglishJev HOLDFIT 42%CAT 49%
Benchmarks and a playground for TypeSafe's Jev (System One) model: chess, and who-is-the-player-talking-to for speech-to-text game NPCs.
JEVLAB ARTEnglishJev HOLDFIT 82%CAT 53%
A Codex plugin that uses Jev to streamline and reduce excessive tool outputs.
JEVLAB ARTEnglishJev HOLDFIT 63%CAT 80%
Submit a find
한국어
日本語
Français
Deutsch
繁體中文
Português
Bahasa Indonesia
ไทย
Italiano
Tiếng Việt
Türkçe
Polski
Русский
4 HIGHLIGHTS
Start here
TRANSLATED
Decisions & routing
Agents & browsers
Tools & apps
Creative & growth
Research & data
Markets & experiments
Games & real time
