skill·Tools and apps Featured Pick
Cursor & Claude Code Jev Router
CLI hook that analyzes user prompts and workspace file diffs to automatically inject the exact rules, prompt snippets, and skills needed.
Open GitHub ⚡ ~19 ms · 40% tokens saved

Boris Dayma
@borisdayma
Stop stuffing 50KB of rules into every single LLM prompt. Let Jev dynamically attach only the 2 rules that matter in 19ms.
Which cursor rules or agent skills apply to the current editor context?
Jev sits between the incoming context and the next system action. Rather than generating lengthy, slow natural language that requires brittle regex parsing, Jev returns non-autoregressive, calibrated probabilities that downstream code can immediately execute.
01rule_filesPrimary action
02relevance_weightsConfidence score
03modeFallback route