A FIELD GUIDE TO JEV / VOL. 01
Il meglio di Jev: progetti reali, guide pratiche e idee da tutto il web.
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 everyoneVedi progetto ↗
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 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 useVedi progetto ↗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.
Four official signals. A fresh starting point on each visit.
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AI-assisted summaries and translations. Check original sources for context and performance claims.
Agente ultra veloce per il browser: Jev seleziona l'operazione e l'elemento DOM in una sola richiesta; un piccolo LLM scrive solo quando è necessario digitare.
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Plugin per Claude Code che sostituisce il riepilogo della compattazione con decisioni Jev, valutando ogni chiamata e risultato in una singola richiesta rapida e gestendo i dati obsoleti.
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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 GitHub project converting agent skills into Oxlint plugins that involve Jev.
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A developer project offering semantic code search for coding agents, benchmarked on SWE-bench Lite.
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A developer project for agent classification and selective reading using an agent plugin and MCP tool.
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Typed, confidence-aware agent skill routing with TypeSafe Jev.
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Computer use for about $0.0002 a step: OCR the screen, classify the next action with TypeSafe, click. macOS.
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A developer project using Jev for plain-language MCP tool calls without an LLM.
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A skill for writing and improving programs that call Jev, TypeSafe's System One model.
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Context curator for Pi agent using Jev technology.
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Route to the cheapest model in claude code for your task using jev-router.
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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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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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One grounded Jev/Playwright core: typed SDK, persistent CLI, and MCP server with native browser operations and deterministic assertions.
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Systematic software development framework for AI coding agents upgraded with TypeSafe Jev System One typed decisions.
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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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Claude Code plugin: trim long Bash output with TypeSafe Jev before the model sees it.
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5–10x faster browser operations: Jev clicks, Codex thinks and verifies. Built at EZCollegeApp.
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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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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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100% free ₹0 agent-first SEO & GEO CLI suite and MCP server in Rust replacing Semrush and OpenSEO via DuckDuckGo and TypeSafe Jev System One.
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An agent system that makes one Jev decision per computational step.
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A Codex plugin that uses Jev to streamline and reduce excessive tool outputs.
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Rust CLI powered by Jev from TypeSafe.ai that ranks agent skills for the next step using live session context. Includes Claude Code hooks, structured JSON, abstention, and local feedback. Requires a TypeSafe API key.
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A moderation system for Mastra agents that processes inputs in a single file.
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MCP server and agent skill for the TypeSafe AI System One API (Jev): decompose a judgment into Choice / Score / Noul questions, lint them, measure on labelled data, and put calibrated thresholds in code.
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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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Semantic MCP firewall powered by Jev — screens every tool call, tool result, and tool description with calibrated System One verification. 94% block recall, 0 false positives, ~$0.00002/check.
github.comcaiovicentino/jev-shieldVedi progetto ↗Source-linked curation
A Stop hook that stops your coding agent from stopping too early. Plain-language rules, judged by jev.
github.comnoplan-inc/limpetVedi progetto ↗Source-linked curation
A pi extension that exposes TypeSafe (Jev, System One) judgments as five pi tools, so a model can make narrow semantic judgments while your code and your users keep control of thresholds, weights, and actions.
github.comlegacybridge-tech/pi-typesafe-jevVedi progetto ↗Source-linked curation
Semantic tool routing and typed System One decisions for the Pi coding agent using TypeSafe Jev.
github.comTheoOliveira/pi-jevVedi progetto ↗Source-linked curation
Control a real browser by voice. Jev (TypeSafe System One) decides intent + target in ~300 ms per spoken word; Playwright acts — often before you finish the sentence.
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A GitHub project implements a web search tool where Jev selects sources for plain-language queries.
github.commukiwu/jev-search-mcpVedi progetto ↗Source-linked curation
Turn your AGENTS.md preferences into a fast, Jev-powered AI linter.
github.comdoeixd/jev-prefVedi progetto ↗Source-linked curation
Chrome extension that triages Gmail with TypeSafe's Jev model: category, priority, spam % and reply % on every email.
github.commuhammedilyasy/jev-mailVedi progetto ↗Source-linked curation
Browser use for coding agents, 3-5x faster than browser-use. MCP server + CLI; TypeSafe Jev decides every step in ~300 ms.
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Decision layer for coding agents: deterministic rules before any model call, then one Jev request, as a Claude Code PreToolUse hook, an MCP server, a loopback service and a team policy that personal overrides can tighten but not loosen. Ships the 300-call injection kit behind its own numbers.
github.comeugeniughelbur/jev-engineeringVedi progetto ↗Source-linked curation
Bounded exploratory browser testing with Jev, deterministic assertions, and replayable evidence.
github.comCorieW/JevTestVedi progetto ↗Source-linked curation
Rule-based slop grader for text files powered by Jev: evaluates markdown against customizable rulesets, outputting violation flags and scores for an AI agent to auto-fix.
github.comlukstei/slop-graderVedi progetto ↗Source-linked curation
在 X 的时间线上，给每条帖子标出它想让你干什么。判断来自 Jev，一个只返回概率、不生成文本的模型。
github.commanifoldor/xtagsVedi progetto ↗Source-linked curation
Non-Autoregressive AI Agent Decision Model. Open-source SOTA alternative to TypeSafe Jev. O(1) Tool Routing & DOM Automation on Qwen3.5-2B .
github.commkeco/Cerebellum-2BVedi progetto ↗Source-linked curation
Per-prompt capability router for coding agents: resolves installed skills, MCP servers, agents and commands against your prompt via TypeSafe Jev, and measures whether the injection actually helps.
github.combestagentkits/jev-skillfulVedi progetto ↗Source-linked curation
Uses typeful jev, zero sync to pull and sync large repositories for issue triage.
github.comcephalization/jev-triageVedi progetto ↗Source-linked curation
A developer project for agent-native routing that selects models based on task complexity.
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Windows Codex Skill：通过 npx 或 Git 安装，安全配置 save-token-jev 的 PreCompact/SessionStart Hooks，并提供信任、原生压缩与旧内容隔离验证。
github.com455-dIAO/windows-save-token-jev-setupVedi progetto ↗Source-linked curation
Claude Code Stop hook that checks an AI assistant's claims against what it actually read this session, using TypeSafe's Jev as the judge.
github.comVladyslavHontar/clear-headVedi progetto ↗Source-linked curation
Data extraction for systematic reviews, quoted from the papers. Ask a trial report and its supplements your extraction form or a RoB 2, ROBINS-I, QUADAS-2 or TIDieR template; Jev points at the lines, every answer is a verbatim quote with its page, you check it and export the table. Files stay in your browser.
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TypeSafe Jev as a decision layer for the Pi coding agent: a measured tool-call gate plus jev_ask for typed, calibrated answers.
github.comy0usaf/pi-jevVedi progetto ↗Source-linked curation
PoC: TypeSafe Jev as the reviewer for Hermes Agent smart command approvals. 8.7x faster, 4.4x fewer prompts, measured on 153 real commands. Approvals only.
github.comanpicasso/hermes-jev-approvalsVedi progetto ↗Source-linked curation
A local computer-use fast path for Codex and Waku, designed for developers.
github.comEronmmer/jev-cuaVedi progetto ↗Source-linked curation
Fast, cheap judgment for AI coding agents: semantic search, focused reads and list picking in ~2s. CLI + MCP server on TypeSafe Jev. Benchmarked on SWE-bench.
github.comBentlybro/siftrVedi progetto ↗Source-linked curation
A developer project demonstrates Jev's rapid response to browser tasks, with decisions made in approximately 100 milliseconds.
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A GitHub project enabling voice-controlled Mac automation without vision models.
github.comsavka777/jev-useVedi progetto ↗Source-linked curation
An agent project aimed at reducing token usage for coding agents via an MCP server.
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Effect-based safety gate for AI coding agents' shell commands (OpenCode, Antigravity): fast structural rules, then TypeSafe's Jev or a chat model judges what a command does. Certified with Jev at zero dangerous commands allowed.
github.comgodspede/construct-auto-classifierVedi progetto ↗Source-linked curation
Play ten browser games from the screen with a 0.8B open model that returns a probability over the game's legal moves in one forward pass, no text generated.
github.comOmniJev/PlayJevVedi progetto ↗Source-linked curation
Experimental protocol for evidence-aware agent handoffs, with Jev-assisted review before results reach the lead agent.
github.comzsoXi/agent-handoff-gateVedi progetto ↗Source-linked curation
Skill for Hermes, and other agents, to ask typesafe's jev.
github.comshantanugoel/ask-jev-skillVedi progetto ↗Source-linked curation
Chrome extension that re-ranks Google results with TypeSafe Jev and folds away sales pages and SEO filler.
github.comtylergibbs1/siftVedi progetto ↗Source-linked curation
Evidence-driven frontend QA built on Jev Ultrafast and Browser Harness, with a synthetic todo demo.
github.comNainish-Rai/jev-frontend-qaVedi progetto ↗Source-linked curation
TypeSafe AI Jev judgments for Agent Zero, with typed tools and probability cards.
github.com3clyp50/a0-typesafe-aiVedi progetto ↗Source-linked curation
Chrome extension: vibe-check your X posts with TypeSafe's Jev before you hit Post.
github.comRafalWilinski/vibecheckVedi progetto ↗Source-linked curation
A developer project that uses Jev as a sensor to control access to agent tools, enhancing security and functionality.
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jev-use (voice). A developer project implementing voice control for macOS with Jev as a fallback option.
github.comcoco-research/jev-useVedi progetto ↗Source-linked curation
Non-autoregressive decision engine on ModernBERT (151M) with calibrated uncertainty (RLCD), TypeSafe AI Jev benchmark audit, and in-browser WebGPU playground.
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Per-call GPT model routing for Codex: Jev chooses model and effort, a local Responses proxy keeps the tool loop intact, then independent verification and Router Compass check whether the task still passed.
github.comminiLV/Jev-Auto-RouterVedi progetto ↗Source-linked curation
Code quality and test coverage for coding agents: Jev scores each source file so the agent knows what to fix first.
github.comsupercorp-ai/supercovVedi progetto ↗Source-linked curation
Screens an AI agent's tool calls before they run and tool results before the agent reads them. An MCP proxy plus a hooks adapter for a client's built-in tools.
github.comagent-chaperone/agent-chaperoneVedi progetto ↗Source-linked curation
Jev controls an Astra planner playing Minecraft in a developer project.
github.comrmalde/minecraft-agentVedi progetto ↗Source-linked curation
Pi coding-agent extension built on the TypeSafe AI System One API (Jev).
github.comtwilwa/pi-typesafeVedi progetto ↗Source-linked curation
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4 HIGHLIGHTS
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4 clicks / 7d
Agents & browsers
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