lean-ctx

About

LeanCTX — Lean Context Engineering for AI agents

LeanCTX — short for Lean Context — is the context engineering layer for AI agents. It runs as a single local binary between your agents and everything they touch — your code, shell, data, and the model itself: it decides what they read, compresses what they send (an optional local proxy shrinks every request — system prompt, history and tool results — prompt-cache-safe), remembers what they learn, guards what they touch — and proves what they save with a signed, verifiable savings ledger. The result: 60–90% fewer tokens. Zero config required. Local-first.

Control what your AI can see. LeanCTX — short for Lean Context — is the context…