jcode: Open-Source Rust Tool Lets Developers Run Parallel AI Coding Agents Locally

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A developer has released jcode, an open-source coding agent harness built in Rust, designed to run multiple AI coding agents simultaneously with minimal memory usage. The tool addresses a common bottleneck where running several concurrent AI sessions can drain system RAM and slow down local machines. jcode supports 10 or more parallel agent streams, allowing developers to assign distinct tasks — such as refactoring, testing, and documentation — to separate model sessions at the same time. It bypasses heavier Node.js or Python runtimes, launching in milliseconds and integrating with terminal workflows, Git pipelines, and tools like TMUX. The project is available on GitHub and can be installed on macOS via Homebrew or built from source using Cargo.

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