Jcode: New Coding Agent Prioritizes Efficiency
1jehuang released jcode, a next-generation coding agent designed for multi-session workflows and high performance. The harness focuses on resource efficiency, with tests showing it uses significantly less RAM than competing tools like GitHub Copilot and OpenCode, as little as 27.8 MB compared to OpenCode’s 371.5 MB with one active session.
Jcode also boasts faster startup times, achieving a first frame in 14.0 milliseconds versus Antigravity CLI’s 383.5 milliseconds. The agent incorporates features like a custom scrollback implementation, a fast Mermaid diagram renderer, and the ability to spawn multiple agents for collaborative work.
It supports various provider integrations including OpenAI, Claude, and GitHub Copilot, and can even work with locally hosted models. Jcode is currently available for Linux, macOS, and Windows, with an iOS application in development. The project aims to address limitations in existing git workflows for multi-agent environments and improve build speeds.
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