jcode

The next generation coding agent harness to raise the skill ceiling. Built for multi-session workflows, infinite customizability, and performance.

Features · Install · Quick Start · Further Reading · Contributing

Installation

# macOS & Linux
curl -fsSL  | bash

Need Windows, Homebrew, source builds, provider setup, or tell your agent to set it up for you? Jump to detailed installation.

Performance & Resource Efficiency

jcode is built to be as performant and resource efficient as possible. Every metric is optimized to the bone, which is important for scaling multi-session workflows. Here we sample a few metrics to show the difference: RAM usage and boot up.

RAM comparison

  1 active session
  
    
      
        Tool
        PSS
        Comparison
      
    
    
      
        jcode (local embedding off)
        27.8 MB
        baseline
      
      
        jcode
        167.1 MB
        6.0× more RAM
      
      
        pi
        144.4 MB
        5.2× more RAM
      
      
        Codex CLI
        140.0 MB
        5.0× more RAM
      
      
        OpenCode
        371.5 MB
        13.4× more RAM
      
      
        GitHub Copilot CLI
        333.3 MB
        12.0× more RAM
      
      
        Cursor Agent
        214.9 MB
        7.7× more RAM
      
      
        Claude Code
        386.6 MB
        13.9× more RAM
      
    
  


<td valign="top" align="c