Tip: Gate What Your Agent Can Read With LeanCTX, a Local Rust Context-Control Binary

GitHub (yvgude/lean-ctx)·medium signal

LeanCTX (lean-ctx) is a single local Rust binary that acts as a context-intelligence layer — deciding which files an agent reads, remembering what it learns, and guarding sensitive content. It is a concrete tool for the context-engineering problem of keeping the window lean and scoped instead of dumping whole repos into the agent. Useful for builders worried about both token cost and leaking secrets into model context.