lean-ctx
Control what your AI can see. LeanCTX (Lean Context) is the context intelligence layer for AI agents — one local Rust binary that decides what they read, remembers what they learn, guards what they touch, and proves what they save. 60–90% fewer tokens as the r
Manage what your AI can access and remember by controlling its context and interactions.
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Free · no card · unsubscribe anytimeControl what your AI can see. LeanCTX (Lean Context) is the context intelligence layer for AI agents — one local Rust binary that decides what they read, remembers what they learn, guards what they touch, and proves what they save. 60–90% fewer tokens as the r
lean-ctx has 3.7k stars on GitHub. It has been forked 338 times. lean-ctx is written mainly in Rust. It has been in active development since 2026. lean-ctx is available under the Apache-2.0 license. Its main topics are agentic-coding, ai, ai-agents, ai-coding.
What is lean-ctx?
Control what your AI can see. LeanCTX (Lean Context) is the context intelligence layer for AI agents — one local Rust binary that decides what they read, remembers what they learn, guards what they touch, and proves what they save. 60–90% fewer tokens as the r
Is lean-ctx open source?
lean-ctx is an open-source project. It is released under the Apache-2.0 license.
Is lean-ctx free?
Yes. lean-ctx is free and open source — you can use, modify and self-host it.
What license does lean-ctx use?
lean-ctx is available under the Apache-2.0 license.
What language is lean-ctx written in?
lean-ctx is written mainly in Rust.
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