A FIELD GUIDE TO JEV / VOL. 01
The best of Jev. Real projects, practical guides and ideas from across the internet.
TypeSafe AI@typesafeaiOFFICIALTypeSafe’s official launch announcement introduces the lab and points builders to Jev. It includes Diogo Almeida’s launch film and original introduction.
Diogo Almeida@CompleteSkepticLAUNCH POSTDiogo Almeida introduces Jev, TypeSafe’s structured decision model. Watch the launch film and explore the original thread for the model’s approach, examples and author-reported performance.
TypeSafe AI@typesafeaiOFFICIALTypeSafe announces public access to Jev without a waiting list. The official console is the starting point for trying typed decisions in your own application.
x.comJev opens to everyoneExplore this project ↗TypeSafe AI@typesafeaiOFFICIALTypeSafe highlights Jev’s typed-output approach: applications provide state and questions, then act on probabilities, choices or scores. The linked announcement also covers the Venice API integration.
x.comAnswers your code can useExplore this project ↗Four official signals. A fresh starting point on each visit.
378 resources
AI-assisted summaries and translations. Check original sources for context and performance claims.
Browser Use's ultrafast agent: Jev picks the operation and DOM element in one request; a small LLM only writes text when typing is needed.
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Claude Code plugin that replaces the compaction summary with Jev decisions: every tool call and result is scored in one fast request, stale ones are dropped or truncated, everything kept stays verbatim.
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A resource explaining Jev's functions, costs, and evaluation metrics as TypeSafe's System One model.
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5–10x faster browser operations: Jev clicks, Codex thinks and verifies. Built at EZCollegeApp.
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x.comA plugin using Jev's scoring capability to remove unnecessary terminal garbage and redundant logs, improving agent performance.
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0xLogicrwThread cataloguing the first wave of Jev tools: MCP servers, routers, reviewers, and browser agents.
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Riley BrownA community project describes an agent system that uses Jev to route requests to appropriate models.
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ClineA plugin integrates Jev with a browser in Cline, enabling it to perform web-based tasks through a desktop application.
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A Jev powered LinkedIn recruiting agent. Watch it browse relevant profiles, save links, and review evidence against your hiring brief.
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One grounded Jev/Playwright core: typed SDK, persistent CLI, and MCP server with native browser operations and deterministic assertions.
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Jev-assisted file retrieval and request caching for faster Pi workflows.
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Pierre-Eliott LallemantJev analyzes outreach messages to identify signals that lead to booked demos, improving campaign performance.
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A Chrome extension using Jev to filter out AI-generated content from YouTube, caching results for efficiency.
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Agent makes rapid shopping decisions using Ego Lite and Jev. Completes 20 product evaluations in under 4 seconds.
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Tutorial covers API setup and building prototypes with Jev and LLMs.
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A social media feed optimized using user bookmarks and Jev's analysis.
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Ira BodnarJev handles seven SEO and GEO workflows, including competitor page analysis, citation likelihood, and content optimization.
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A developer project for agent-native routing that selects models based on task complexity.
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Idan LevinJev achieved 100% task success on the WebMCP benchmark with significantly lower model costs compared to other systems, using a combination of tool selection and argument generation.
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Marcel PociotMarcel Pociot's browser extension that collapses posts based on a Jev judgment.
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Jev was integrated with Claude Code to address context compaction challenges in agent workflows, showing promising results.
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Jev-Tool-Runner is a GitHub project where Jev selects developer tools and Codex generates code based on those selections.
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Ira BodnarReduces SEO and GEO fix costs by 90% through faster data analysis and automation.
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Context curator for Pi agent using Jev technology.
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A developer project for the agents shelf featuring a local MCP gateway with Jev tool discovery and a dashboard.
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A developer project for automatic context clearing in Pi without losing conversation history.
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RomànA community post demonstrating Jev's ability to score 700 leads and predict outreach message performance in 40 seconds.
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Browser automation where an LLM plans and Jev (Typesafe System One) decides. Library, CLI and MCP server.
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Uses Jev for real-time voice commands to control a browser, processing speech to actions in 300ms with low cost.
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A tested resource evaluating Jev's capabilities in browser automation and support tasks.
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Jev decision layer for agents: MCP server, embeddable DecisionModel library, and an escalate-only Claude Code plugin (TypeSafe AI's Jev).
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Standalone Android agent for Mobilerun where Jev makes every decision, with a live React studio and an Uber demo.
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A GitHub project converting agent skills into Oxlint plugins that involve Jev.
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Context-pruning proxy for Claude Code and Codex: Jev judges which history is still needed, measured not claimed. POC here now, heading soon into https://github.com/compozy/compozy.
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A YouTube guide explores using Jev within an agentic coding loop, focusing on cost efficiency for development tasks.
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Andy GaoA project using Jev to enable fast voice-controlled interactions with a Mac computer.
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A moderation system for Mastra agents that processes inputs in a single file.
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OskarFramework for running end-to-end tests with agents using Jev.
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Daf-jev: composable Python toolkit for TypeSafe's Jev (System One) decision API — question builders, confidence gates, evaluator, calibration, CLI, MCP server, agent skill.
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AteeqA log analysis tool that groups 22.8M lines into patterns and uses Jev to review key patterns.
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x.comExplains Jev's role in automating decision-making processes and enabling new business models through efficient task sorting and classification.
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Agent skill: design judgment-assisted systems with TypeSafe Jev (System One). Maps Choice/Score/Noul onto decision theory, reranking, and routing. Composition algebra, question design, validation gates. MIT.
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RaZaanA Chrome extension enabling agents to browse and interact with websites, utilizing Jev for decision-making.
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A massively parallel browser-based adversarial testing suite for evaluating releases, costing pennies.
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Scans a codebase for covert, deceptive, or data-stealing behavior with Jev, then reports suspicious files and line ranges before the user runs it.
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Niaz MorshedAn experimental local-first plugin for coding agents that uses Jev to provide quality feedback during development.
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AI Builder ClubJev-browser enables agents to perform web tasks by automatically opening websites and making click decisions based on screen content.
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Agent-ergonomic CLI for TypeSafe's Jev: fast calibrated judgments (pick, rate, check, rank, triage, guard) from the shell.
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A developer project demonstrates Jev's rapid response to browser tasks, with decisions made in approximately 100 milliseconds.
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NickTest report using Jev to check each agent action first: most attacks caught, almost no false blocks.
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Proof of concept MCP for Typesafe's new Jev AI model.
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aresA claim about Jev's capability to process large volumes of ad data quickly, described as a market disruption.
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An agent project aimed at reducing token usage for coding agents via an MCP server.
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A staged code-review workflow and local dashboard built with TypeSafe Jev.
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A small agent using Jev compaction to manage searchable memory efficiently.
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Mormon NegroAn agent using headless Chromium to quickly navigate the web, demonstrated by browsing Wikipedia links efficiently.
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Agentcard integrates Jev and Kernel to enable secure and efficient online shopping by agents, avoiding token costs and safety issues.
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Sawyer HoodJev automates the filling of prompt boxes by selecting appropriate agents, models, or computers for specific tasks.
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Runtime constraints for the pi coding agent: checks every side-effecting tool call against what you said, before it runs. Powered by TypeSafe Jev.
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A skill for writing and improving programs that call Jev, TypeSafe's System One model.
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Local Instagram, TikTok, and LinkedIn research where Jev chooses bounded socai browser operations and streams captured evidence into cited reports.
github.comsocai-io/jev-socialExplore this project ↗Source-linked curation
Reward-hack radar for coding agents: structural denies + TypeSafe Jev System One sidecar for Claude Code & Cursor hooks.
github.com24601/rh-guardExplore this project ↗Source-linked curation
A developer project providing a local MCP server for running pre-made Jev question packs.
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Throw in a pile of company files and get them classified and organized by department, type, sensitivity, date, counterparty and PII, with an index for AI agents. Powered by TypeSafe's Jev on OpenRouter (17¢ per 1,000 files). Zero-dependency Node CLI + Claude skill + Codex agent.
github.comnexibeo/jev-organizeExplore this project ↗Source-linked curation
Write Cucumber tests with just the .feature file. No step definitions — Jev (TypeSafe AI) resolves each Gherkin step and Playwright runs it.
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Know before you click. A Chrome extension that reads articles and YouTube videos ahead of you and says read, skim, save, or skip — with a confidence, tuned to your goals. Open source, MV3, powered by Jev.
github.comThinkyMiner/WinnowExplore this project ↗Source-linked curation
Vercel's open agent framework, which ships Jev as the default evaluation model in its experimental evaluate path.
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MCP server that puts TypeSafe Jev on the coding loop in Cursor, Codex, and any MCP client.
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A community post testing Jev's performance in a browser environment, noting limitations after five actions.
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A deterministic model routing system for coding agents with a skill for Codex.
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Search the web with TypeSafe's Jev: source selection, query understanding and relevance ranking. Built with Search1API.
github.comsuperagents-lab/jev-searchExplore this project ↗Source-linked curation
Automatic model routing for Pi using TypeSafe's Jev through Vercel AI Gateway.
github.commejiasd3v/pi-jev-routerExplore this project ↗Source-linked curation
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4 HIGHLIGHTS
4 clicks / 7d
Agents & browsers
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