22 projects · updated 2 November 2026

Decision models in the browser

Extensions and automation that judge pages: what to hide, what to click, what is worth reading. Latency matters here in a way it does not on a server.

18 of these 22 call the hosted API rather than running open weights.

jev-ultrafast24.1k ★browser-useFastest and cheapest web agentPython · MIT · pushed 2026-10-31VideoAdGuard764 ★ZeroTang05哔哩哔哩浏览器插件:基于大语言模型,对B站视频中的植入广告进行检测。一键跳过视频中的植入/口播广告。TypeScript · GPL-2.0 · pushed 2026-10-27jev-voice-browser423 ★moritzkrembControl 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.JavaScript · MIT · pushed 2026-09-21unclutter387 ★kitzeWXT browser extension: Jev-powered page clutter removal with reusable template rules.TypeScript · MIT · pushed 2026-10-28jev-browser366 ★jkudishBrowser use using Typesafe's Jev modelJavaScript · MIT · pushed 2026-10-30socai252 ★socai-ioAgent that actually understands social platforms. Fast. Precise. Deep.Rust · Apache-2.0 · pushed 2026-11-02jev-social194 ★socai-ioOpen-source, local-first social media research agent for Instagram, TikTok, and LinkedIn. Jev routes read-only steps; socai CLI captures cited browser evidence.JavaScript · MIT · pushed 2026-11-01jev-use128 ★savka777Say it, and your Mac does it. A computer-use harness on Jev that reads the screen through Accessibility. Fast, no vision modelSwift · MIT · pushed 2026-09-21jev-browser128 ★Ying-Kai-LiaoBrowser automation where an LLM plans and Jev (Typesafe System One) decides. Library, CLI and MCP server.JavaScript · MIT · pushed 2026-10-31grok-bot-jev126 ★Bodila51Connect TypeSafe Jev to Grok Bot as a cheap decision layer - usage gates, skill template, examplesPython · MIT · pushed 2026-09-28jev-seo95 ★AkashPriyadarshiiFree Rust SEO and GEO toolkit powered by TypeSafe Jev: 58-rule audits, site crawls, AI citation checks, rank drift, CI gates, 15-tool MCP. Zero cost.Rust · MIT · pushed 2026-10-04typesafe-adblock94 ★realZachi🧹 Fun project: a Chrome extension that asks a tiny AI decision model (TypeSafe Jev) "is this DOM element an ad?" and pops it off the page. BYOK, no backend, not a real ad blocker.JavaScript · MIT · pushed 2026-09-17jev-desktop79 ★yikangy873-gifTypeSafe Jev action selection inside Codex Computer UseJavaScript · MIT · pushed 2026-10-22vibecheck50 ★RafalWilinskiChrome extension: vibe-check your X posts with TypeSafe's Jev before you hit PostJavaScript · pushed 2026-09-20jev-sift50 ★kbhuwClassify first. Read selectively. A portable agent plugin and MCP tool for batch text classification.JavaScript · pushed 2026-09-18jev-for-chrome46 ★chy4proJev for Chrome: drives the tab you are looking at with TypeSafe Jev, a sub-second decision model. Community port of browser-use/jev-ultrafast, not affiliated with TypeSafe.TypeScript · MIT · pushed 2026-10-01ego-decision-layer30 ★jiangkoumoPluggable decision layer for the ego lite browser: one System One (Jev) call per step replaces the per-step LLM turn, and the backend can be swapped for a local OpenAI-compatible model. Fail-closed execution guards. The measured one — raw bench data, 16 suites, changelog with corrections.JavaScript · MIT · pushed 2026-10-28ulka25 ★razaansthaExperimental browser agent powered by FX, Jev, and Vercel AI Gateway. Bring your own API key to read pages and automate browser tasks.TypeScript · MIT · pushed 2026-10-31x-scanner25 ★oso95Chrome extension that labels every post you scroll past on X with typed Jev judgments and a live cost counterTypeScript · MIT · pushed 2026-09-27laya-browser-agent25 ★ChenneyZhuangLocal, open-source Jev alternative: browser agent decisions with Laya (System One model) on your own machine. No cloud, no API key. Playwright/CDP, MCP-friendly.Python · Apache-2.0 · pushed 2026-10-01live-jev21 ★vinilana2D autonomous car simulation in the browser, driven by TypeSafe's Jev decision modelJavaScript · pushed 2026-09-18jot20 ★runta-devThe first general-purpose System One agent for JevTypeScript · pushed 2026-09-18

Find out what your data actually supports

We turn your historical decisions into a frozen test set, then tell you which model, which threshold, and how much of it you can safely automate.