Jev in Practice: Browser Use and Agent Workflows

The author says a combination of three models can build an around-the-clock AI trading system in a few hours, and shares a Rust HFT codebase and five days of live results, with the tutorial in a long article.

Two days after Jev 1.14 shipped with image support, MotherDuck's prompt_jev() also accepts images, returning structured typed answers directly from SQL.

The open-source plugin stores decisions, rules and failed approaches in a single file in the repo and recalls the relevant lines in the next session; across 72 real sessions, Claude followed the decision 66 times with jevmem versus 28 without.

The demo freezes the DOM, ranks five candidate actions and executes only one per step (click, type, select, wait or done), addressing agents that stall when a page has too many elements.

REA breaks a feature down into a SPEC.md backed by evidence, Jev reviews each rule, and a fresh Opus 5.5 that never saw the original code rebuilds the feature from the approved spec.

A look at Claude Code's Advisor tool, where Haiku explores, Sonnet writes code, and Opus steps in only at key checkpoints, with Jev engineering described as the same idea one layer down.

The small auction site outbid.lol integrated Jev to automatically recommend categories for submitted bids, and the author jokes that outbid finally uses AI.

A Tesla flying-car rumor leads into the jev-axi command line: yes/no checks on files, multiple-choice picks, semantic ranking, and a Bash command safety check for Claude Code.

The author built a visualization demo of Jev 1.14's new box question type on open-source d3 and d3 flash, and teased an upcoming model.

TypeSafe's Jev replaces generative calls with structured decisions, with a customer-support example estimating AI bills could drop by about 90%.

A Spanish-language post describes how Jev combines price forecasts, technical indicators, time-series data and news feeds to find crypto and stock trading opportunities in real time.

OpenRouter's beta Armor passes plain-English rules to Jev to decide whether agent tool calls are allowed or blocked; the author suggests testing rules in audit mode before accepting the reported ~280ms median overhead.