LeanCTX

LeanCTX optimizes data exchange between your coding assistance tools and language models, significantly reducing operational costs and improving processing efficiency. Key features include: * Context compression for file reads, shell output, and session data * Support for 42 specialized compression tools and 90+ shell patterns * Seamless integration with popular coding assistants like Cursor, Claude Code, and Copilot * Local operation with no account, cloud dependency, or data telemetry This robust Rust-based utility intercepts data before it reaches your language model, applying intelligent compression to eliminate verbose and redundant content. It offers multiple compression modes for file reads, ensuring that re-reads are highly efficient, often costing only a few tokens. The shell hook automatically identifies and compresses common command-line output, streamlining development workflows. LeanCTX is designed for developers and engineering teams seeking to optimize their use of code generation and assistance tools. It installs swiftly in under a minute as a single binary, providing immediate cost savings and enhanced performance without compromising privacy. This solution ensures that your development activity remains local and secure while maximizing the efficiency of your coding environment.