The Jev launch post
Diogo 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.
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What’s newDiogo 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 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 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.
TypeSafe 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.
AI-assisted summaries and translations. Check original sources for context and performance claims.
This demonstration showcases Jev managing a $10,000 capital allocation for trading activities. The creator presents this as a practical experiment to observe how the system handles financial assets in a live market environment.
This resource outlines a ten-step framework for integrating Jev into AI agent development workflows. It focuses on architectural strategies intended to improve operational cost efficiency when building and deploying autonomous agent systems.
JEVLAB ARTJev introduces a novel AI architecture designed to improve software intelligence efficiency. This resource demonstrates how the model aims to provide a cost-effective alternative for developers seeking streamlined performance in their AI-driven applications.

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Explore supporterThis project demonstrates a chatbot implementation using Jev, a TypeSafe AI model architecture. It explores how autoregressive methods can be applied to a model that does not natively generate text, providing a unique approach to conversational interaction.
This resource demonstrates the integration of Jev into security workflows. The creator claims that Jev improves pipeline efficiency, reporting a fivefold reduction in costs and faster processing speeds while maintaining higher accuracy compared to smaller models.
JEVLAB ARTharnessjudge provides a framework for evaluating agentic workflows using TypeSafe Jev. It demonstrates how to systematically categorize agent steps as successful, requiring retries, needing escalation, or stopping execution based on defined operational logic.
HireSignal utilizes TypeSafe Jev to automate the initial screening of resumes and conduct preliminary candidate interviews. This tool aims to streamline recruitment workflows by providing a structured, automated approach to evaluating applicant fit.
This project demonstrates an implementation of the 2048 puzzle game integrated with Jev. It serves as a practical example of how the TypeSafe AI framework can be applied to automate game logic and decision-making processes.

Wallpets brings cinematic animal companions to your desktop with lightweight mouse-following behavior, idle play, and a growing pet catalog.
Explore supporterThis interactive demo showcases speculative fan-out, allowing multiple queries within a single call. It demonstrates how the underlying code efficiently filters and retains only the most relevant answers for the user.
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.
This tool integrates Chrome DevTools with MCP to enable automated browser navigation. It demonstrates a workflow where an agent identifies a target location and executes a specific DevTools command to perform tasks.
Instinct demonstrates a Jev-based approach to interface selection. It allows users to describe a use case in natural language, which the system then maps to a pre-existing UI component from a fixed catalog instead of generating new code.
JEVLAB ARTThis launch post details the architecture and RLCD training methods behind System One models. It provides practical demonstrations using Doom and Wikiracing to showcase capabilities, alongside pricing information and a comprehensive FAQ for developers.
A Chrome extension that gives you full control over your browser. Open tabs, fill forms, research topics, automate tasks — all inside Chrome.
Explore supporterJev Reviewer is a tool designed to assist systematic reviewers in extracting data from research articles. It aims to streamline the information gathering process for academic literature, helping researchers manage large volumes of text more efficiently.
This project demonstrates an evaluation framework using Jev to assess the output quality of the shadcn-ui/lint tool. It provides a secondary validation layer to judge how effectively the linter identifies issues within codebases.
This project provides a local-first MCP plugin designed to facilitate continuous software quality reviews. It enables AI coding agents to perform automated code analysis using Jev, focusing on maintaining codebase standards through local integration.
This experimental protocol uses a Jev adapter to evaluate evidence through typed choices. It demonstrates how application code can validate permissions and execute simulated demo actions within a structured decision-making framework.
UXRay is a screen overlay tool designed to detect and highlight manipulative interface patterns. This project demonstrates how automated visual analysis can help users identify dark patterns in web design to improve digital transparency.
This browser-based simulation features a 2D autonomous vehicle controlled by the Jev decision model. It demonstrates how the framework manages real-time navigation and pathfinding logic within a simplified virtual environment.
This project demonstrates a chess engine integration using TypeSafe AI System One. It provides move evaluation, game classification, and simulated persona-based opponents for interactive play.
This post examines potential drawbacks of utilizing Jev for AI agent context compaction. It specifically questions the effectiveness of current methods for managing long-term agent history and state within the Jev framework.
This demonstration showcases a Pac-Man session where every movement is dictated by Jev. It serves as an experiment in applying Jev-based decision-making logic to classic arcade mechanics to observe strategic navigation patterns.
This project demonstrates the Jev decision model playing the 2048 game online. It showcases an implementation where the model executes moves via single API calls, highlighting the integration of Jev logic within a browser-based gaming environment.

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Explore supporterThis research demonstrates how Jev integrates into recommendation systems. The creator claims the model generates over 70 personalized suggestions per user, citing specific operational costs per user for the implementation.
This repository provides a foundational framework for the Jev programming language. It serves as a technical resource for developers interested in exploring the syntax and core implementation details of this specific language project.
watfile is a command-line tool that automates file organization by classifying documents into folders using AI. It supports cloud-based classification via TypeSafe AI Jev or local processing with Laya models to sort files by content.
This demonstration shows Jev interpreting real-time game state data to navigate and play Super Mario Bros. The creator presents this as an example of autonomous decision-making within a classic platformer environment.
JEVLAB ARTThis project demonstrates an automated macOS agent that performs computer tasks by using OCR to read the screen and TypeSafe to classify actions. The creator claims a cost efficiency of approximately $0.0002 per step for these operations.

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Explore supporterThis repository provides an unofficial showcase for TypeSafe Jev. It demonstrates how to implement system-level decision-making processes rather than relying on conversational chat interfaces for automated logic and task execution.
This community guide outlines a ten-step framework for integrating Jev into AI agent architectures. It aims to streamline decision-making processes, though the practical efficacy of these steps remains a community-driven proposal rather than a verified technical standard.
This simulation demonstrates MOSS following instructions to collect litter. It serves as an experimental model for how automated decision-making might be applied to urban sanitation tasks, though it is not a verified real-world deployment.
This project demonstrates the use of Jev to classify over 1,000 AI research papers. It serves as a practical example of automating academic document organization to improve efficiency and reduce processing costs.
This project provides a bridge connecting JEV to Model Context Protocol clients. It enables users to evaluate JEV judgments by comparing them against general-purpose LLMs using shared datasets for measurable performance analysis.

One system for commercial operations. AI automation for order processing, quote-to-cash, and the work behind the work, built around your rules and approvals.
Explore supporterThis command-line utility enables users to query Jev directly from the terminal. It demonstrates a structured interaction model that forces responses into specific formats like null, choices, or numeric scores instead of natural language prose.
This Chrome extension utilizes Jev to identify and filter AI-generated content on YouTube. The project demonstrates a method for improving feed relevance by caching classification results to enhance browsing efficiency for users seeking human-created media.
This project demonstrates the use of TypeSafe Jev to automate CVSS scoring. It provides a structured approach to parsing vulnerability descriptions and generating standardized severity scores based on the provided input data.
This curated repository serves as a comprehensive Chinese-language directory for Jev and TypeSafe System One resources. It aggregates official documentation, SDKs, popular applications, agent tools, and open-source projects to assist developers in navigating the ecosystem.
JevForm demonstrates an adaptive approach to form design. The tool generates dynamic form fields that adjust based on the semantic meaning of user input, moving away from traditional, rigid if-then conditional logic structures.

Sound notifications for any AI agent — hooks for Claude Code, Cursor, Codex & more, plus an MCP server so the agent can choose its own sounds.
Explore supporterThis resource provides a setup guide for configuring save-token-jev on Windows. It demonstrates how to implement PreCompact and SessionStart hooks to manage token security, native compression, and the isolation of legacy content within Jev environments.
JEVLAB ARTThis framework provides a structured approach for AI coding agents to utilize TypeSafe Jev System One for typed decision-making. It demonstrates how developers can integrate formal type safety into automated software development workflows.
CartShield utilizes TypeSafe Jev to assist small and medium-sized businesses in managing checkout fraud. This tool provides a structured approach for evaluating transaction risks and automating disposition processes within e-commerce environments.
pkg-gate provides a pre-install security mechanism for npm lifecycle scripts. This tool demonstrates how to implement automated safety checks by integrating with TypeSafe System One to monitor and validate package execution processes during installation.
This project demonstrates a small model trained to select from dynamic text options using single-pass probability assignment. It includes experimental implementations for Doom, chess, and Wikispeedia to showcase the model's decision-making capabilities in varied environments.
Lemonpod gives founders one morning brief that combines GitHub, calendar, tasks, inbox, and other work signals into a text summary and audio update. Start the day knowing what needs attention without checking multiple apps.
Explore supporterThis project demonstrates a decision model for screening CV folders using TypeSafe Jev. It provides a framework for applying typed judgments and editable policies, allowing users to perform free re-scoring of candidate documents based on defined criteria.
JEVLAB ARTsiftr provides semantic code search capabilities designed for coding agents. The project includes performance benchmarks conducted on the SWE-bench Lite dataset to evaluate its effectiveness in retrieving relevant code segments for automated development tasks.
This project implements a Jev-based model router utilizing the Vercel AI Gateway. It demonstrates a technical approach to managing and routing requests between different AI models within a type-safe architecture, providing a structured framework for developers building modular AI applications.
This demonstration showcases Jev's functionality for rapid variable generation within development workflows. The creator highlights how the tool automates data handling, though users should evaluate its performance and integration capabilities within their own specific coding environments.
This tool utilizes Jev evaluation capabilities to rank Pi agent skills for specific tasks. It demonstrates a method for optimizing agent performance by matching specialized capabilities to user requirements through systematic assessment.
This experiment explores the integration of Jev into aerial combat simulations. The creator demonstrates ongoing development efforts to refine the AI's dogfighting maneuvers and tactical decision-making capabilities within a game environment.
This demonstration showcases the application of Jev within mobile end-to-end testing workflows. The creator suggests that integrating this approach may lead to improved testing efficiency for mobile applications.
This library provides TypeSafe Jev integration for OTP environments. It demonstrates how to handle Jev replies within a GenServer process, allowing developers to perform pattern matching on the received responses for improved reliability.
JEVLAB ARTThis guide explores the Jev framework, which prioritizes structured, typed decision-making over traditional text-based processing. It demonstrates how developers can implement type-safe logic to improve reliability in automated workflows.
Jev is a terminal utility designed to forecast upcoming shell commands. It functions by analyzing a user's historical command data to suggest likely inputs, aiming to streamline repetitive command-line workflows.

Menta es el software de gestión clínica impulsado por IA. Una plataforma todo en uno para la gestión administrativa y clínica de profesionales y clínicas
Explore supporterThis community post explores how Jev aims to streamline computer interaction. The creator claims the system achieves significantly faster processing speeds compared to standard LLMs, though these performance figures remain unverified by independent benchmarks.
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.
This official Python client provides developers with both synchronous and asynchronous methods for interacting with the JEVLAB ecosystem. It serves as the primary integration tool for Python-based applications requiring structured access to TypeSafe AI services.
JEVLAB ARTThis repository provides a skill set for developers to write and refine programs that interact with Jev, the System One model from TypeSafe. It serves as a practical guide for integrating model calls into software workflows.
This macOS utility demonstrates a workflow for triggering automated actions based on the specific content currently held in the user's clipboard. It aims to streamline productivity by providing context-aware shortcuts for common data processing tasks.

Dotient is a local-first semantic file search tool that indexes your personal archive. No cloud, no uploads. Starts at $10 one-time.
Explore supporterThis research project compares Jev, Gemini 3.8 Flash, and GPT-5.6 Luna regarding their performance in structured annotation of TJSP legal sentences. It evaluates the quality, processing time, and operational costs associated with each model.
s1-rs provides a typed System One layer for Rust, focusing on choice, scoring, and Noul mechanisms. This library demonstrates an architectural approach to integrating intuitive decision-making patterns directly into Rust applications through structured, type-safe abstractions.
This project demonstrates a recreation of the X feed algorithm using Jev. It provides a simulation environment to observe how content virality and global feed dynamics function within a controlled, algorithmic framework.
This resource explores Jev, a system designed for natural language processing that utilizes structured outputs and confidence scoring. It clarifies that Jev functions differently from traditional large language models, highlighting specific operational trade-offs for developers.
JEVLAB ARTswitchloom 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.

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Explore supporterThis Rust library provides typed clients for AI services, supporting both asynchronous and blocking backends. It demonstrates how to implement observable retry mechanisms to improve the reliability of AI-driven application interactions.
This PHP and Laravel SDK provides an interface for interacting with the JEV Model series by TypeSafe AI. It demonstrates how developers can integrate these specific AI models into existing web application workflows.
JEVLAB ARTThis project provides a collection of 110 interactive scenarios and games designed for experimentation. It allows developers to test and modify prompts within a structured environment to observe how different inputs affect AI outputs.
This official reference guide outlines the foundational concepts for developing applications using TypeSafe. It provides developers with the necessary framework and architectural patterns required to integrate TypeSafe systems into their existing software workflows effectively.
This project showcases a two-minute musical piece generated by Jev-thoven. The creator claims the composition was developed using first principles, offering a demonstration of how the system handles creative audio generation tasks.

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Explore supporterAgentcard utilizes Jev and Kernel to facilitate automated online shopping. The project demonstrates a method for agents to navigate e-commerce platforms while aiming to mitigate token expenses and address potential security concerns during the browsing process.
This web-based project features a 3D chess environment where Jev can play both sides of a match. Users have the option to observe the automated gameplay or intervene to take control of a side during the game.
This tool provides real-time analysis and categorization of social media posts to assess their potential for virality. It demonstrates an automated approach to evaluating content engagement patterns based on current platform trends.
This project provides a .NET SDK designed to facilitate integration with the TypeSafe AI platform. It serves as a developer tool for managing interactions within the TypeSafe ecosystem using standard .NET development patterns and practices.
A little conversation in the lab.
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