JEVLAB / FIELD NOTES
Fresh from the lab
A dated reading list of newly added resources and JEVLAB NEWS. Come back for what changed, or follow the RSS feed in your own reader.
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Dates show when an item became available in JEVLAB, in UTC, not when its original source was published. Translation-only edits do not count as new resources.
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jevalyn
jevalyn provides a Rails-native interface for the TypeSafe Jev System One API. This tool enables developers to integrate typed, calibrated decision-making processes directly into their Ruby on Rails application control flows.
github.comArbiter
Arbiter is a development tool designed to serve custom decision models via a Jev-compatible API. It enables developers to implement structured, tailored decision-making logic within their applications using a standardized interface.
github.comjev-rules
This developer tool manages rule selection for Claude to filter and display only relevant information. It demonstrates a method for streamlining AI interactions by dynamically applying context-specific constraints to improve output focus.
github.comjev-eval-agent
This project provides a personal assistant agent built on Vercel's eve. It utilizes 100 mocked tools to compare the efficiency of Jev versus standard LLM tool selection processes by measuring the number of steps required for task completion.
github.comJev-Controlled Driving Simulator
This community project demonstrates the integration of Jev to operate a Tesla Full Self-Driving simulator. It provides a practical example of how Jev can be applied to control complex simulated environments for testing and development purposes.
x.comclarity-judge
This tool utilizes the Jev model to perform multi-axis writing quality assessments. It provides distinct, named evaluations for specific text attributes, offering a verdict and confidence score for each individual check performed on the input content.
github.comFiltering WIP todos by meaning
This tool demonstrates a method for organizing work-in-progress tasks by analyzing their semantic intent rather than relying on simple keyword matching. It provides a way to categorize development items based on their actual meaning.
x.comJev Ultrafast
Jev Ultrafast is a browser agent designed for efficiency. It selects operations and DOM elements in a single request, utilizing a small language model only when text input is required to complete specific browser tasks.
github.commodelsystem
This repository provides a curated catalog of System One and decision-making models. It serves as a structured resource for contributors to the modelsystem.one project, focusing on organizing frameworks for analytical and intuitive cognitive processes.
github.comjev-shield
This Chrome extension utilizes TypeSafe Jev to identify and block native advertisements, sponsored content, and video ads. The project demonstrates a privacy-focused approach to content filtering by applying semantic analysis to browser feeds.
github.comSwitch between manual and AI play
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.
x.comBouncer
Bouncer is an agentic tool designed to enforce security policies by evaluating and judging tool calls made by Claude Code. It provides a mechanism for monitoring and restricting automated actions within the development environment.
github.comSupabase RLS Linter
This experimental tool utilizes Jev to analyze and lint Supabase Row Level Security policies. It aims to assist developers in identifying potential configuration issues within their database security rules through automated inspection.
x.comJev in Pydantic AI
This guide demonstrates how to integrate Jev with Pydantic AI agents to facilitate type-safe operations. It provides developers with a structured approach to ensuring data consistency and reliability when building AI-driven workflows within the Pydantic ecosystem.
pydantic.devThree Jev bots in an FPS
This project integrates three Jev-powered agents into a first-person shooter environment. It demonstrates multi-agent coordination within a real-time combat setting, showcasing how Jev models can function as autonomous players in competitive gaming scenarios.
x.comjev-lm
This project implements a word-level language model utilizing Jev for its output layer. It demonstrates n-gram drafting, Noul chunk verification, and bits-per-token evaluation techniques for language modeling research.
github.comWiki-link clicker demo
This demonstration showcases Jev navigating a webpage by selecting specific candidate links to reach a defined goal. It illustrates the agent's decision-making process for link interaction within a browser-based environment.
x.comjev-pick-and-place-study
This MuJoCo pilot project evaluates robotic pick-and-place performance by comparing Jev, Claude Haiku, and traditional reactive rules. It provides a reproducible environment to observe how different decision-making approaches handle basic manipulation tasks in a simulated physics setting.
github.comperfectrecall
This project explores agent memory systems by utilizing Jev to curate and retrieve relevant information. It demonstrates a mechanism for managing contextual data, though the effectiveness of the recall process remains subject to the specific implementation details provided by the developer.
github.comOffline Research Decision Gate
This project demonstrates an offline decision system utilizing Jev to evaluate various research branches. It aims to streamline complex decision-making processes by providing a structured framework for selecting the most viable paths in research workflows.
x.comopen-jev by daseinlabs
This project demonstrates one-pass option scoring using a local Gemma 3 4B model on Apple silicon via MLX. It includes a functional Doom demonstration to showcase the implementation of this specific scoring approach.
github.comThe Jev-enator
This project implements three Claude Code hooks designed to query Jev for specific data. It demonstrates a practical approach to integrating external information retrieval directly into development workflows using custom automation hooks.
github.comHollow Creek
Hollow Creek features village NPCs that evaluate the player every tick to determine their actions and emotional state. This experiment demonstrates a reactive, non-dialogue-based interaction system where characters continuously process environmental inputs to shape their behavior.
hollow-creek-sigma.vercel.appjev-radar
This repository provides a comprehensive tracker for the Jev ecosystem, documenting over 220 cases. It offers confidence-graded entries that are automatically rescanned every three hours and includes a guide for API access.
github.comApp Store Keyword Finder
This tool assists developers in optimizing App Store visibility by analyzing competitor keyword strategies. It utilizes Jev to filter and identify relevant search terms, helping users refine their metadata for better discoverability within the marketplace.
x.comA page-by-page OCR router
This Jev-powered system automates document processing by analyzing PDFs page by page. It demonstrates a decision-making workflow that identifies which specific pages require OCR, aiming to optimize resource usage during document digitization tasks.
x.comailerix
ailerix is a type-safe model router designed for Jev systems. It demonstrates a method for banking incoming requests into a structured, typed catalog route to improve system reliability.
github.comSearch-Function-Test
This project demonstrates a conversational search interface for article databases using Jev AI. It aims to allow users to query large collections of content through natural language interactions to retrieve relevant information.
github.comAI slop detector
This tool utilizes Jev to identify AI-generated content on websites. It demonstrates a method for analyzing specific indicators to flag potential automated material, though the effectiveness of these detection patterns remains subject to ongoing evaluation.
x.comjevchess
This web application demonstrates Jev playing chess against various LLMs, Stockfish, or human players. It provides a visual interface for tracking live moves, viewing Jev's move probabilities, and managing game history.
github.comjev-demos
This repository provides a collection of experimental demonstrations designed to evaluate the functionality of the Jev System One Model. It serves as a practical resource for testing the model's performance and behavior in various scenarios.
github.comjev-reflex-autonomy-lab
This laboratory project demonstrates multi-drone autonomy using TypeSafe Jev reflex decision-making. It explores how these reflex actions can be integrated with optional System 2 strategy guidance to manage complex aerial navigation tasks.
github.comTypeSafe AI playground
This 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.
github.comReply-Guy Filter
This community tool uses Jev to automatically identify and filter unwanted reply-guy comments on social platforms. It demonstrates a practical application of automated content moderation to improve user interaction quality by filtering specific types of unsolicited responses.
x.comtypesafe-rs
This Rust SDK provides an interface for interacting with TypeSafe System One. It is designed to prioritize low-latency operations for developers building systems that require strict type safety within the Jev ecosystem.
github.comHard-coded Rules to Jev
This project demonstrates migrating hard-coded logic into Jev to optimize AI processing workflows. The creator claims this transition improves efficiency and reduces operational costs for tools like aiseotracker and linkdr.
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