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Developers introduced the Jev Ultrafast browser agent

September 16, 2026
Developers introduced the Jev Ultrafast browser agent

The development team has released Jev Ultrafast — a specialized agent for automating actions in a browser. The tool is built on the Jev library from TypeSafe and is focused on minimizing network delays when performing complex tasks.

The key feature of the agent is the use of dynamic indexed action spaces. The system generates text commands exclusively for operations of the TYPE_TEXT type, which allows reducing the number of requests to the server. During testing, the agent performed a search for air tickets on the Zurich — London route in 7.1 seconds.

To improve stability, Jev Ultrafast applies a mechanism for validating target interface elements before sending a request. This eliminates unnecessary network rounds and increases the accuracy of interaction with dynamic web pages, which are often overloaded with control elements.

The tool is available as open-source code on the GitHub platform. The developers position the solution as a way to optimize the work of autonomous agents that require high response speed when navigating complex user interfaces.

The implementation of such architectural solutions makes it possible to reduce overhead costs when executing multi-step scenarios in a browser. The use of indexed action spaces is becoming a standard for improving the performance of AI agents working in real-time.

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