Jcode

jcode

  High-performance coding agents.
  Run dozens of agents in parallel without melting your machine. More agents, less RAM, no lag.

  jcode performance demonstration (1x speed)

Installation

Benches

RAM per additional session (headless)

Reproduce.

Time to first input

Time until typed text appears on screen, across 10 interactive launches.

Full numbers on jcode.sh.

Screenshots

Browse the interactive gallery on jcode.sh.

    Inline images
    Resume menu

    Inline LaTeX
    Cache cold notification

Swarm

Spawn two or more agents in the same repo, and they will automatically be managed by the server to allow native collaboration. When agent A edits a file that agent B has read (code shifting under its feet), the server notifies agent B. Agent B can ignore it if it is not relevant, or it can check the diff to make sure that it doesn't conflict. Each agent has messaging abilities, capable of DMing just one agent, broadcasting to all other agents hosted by the server, or just agents working in that repo. This allows you to spawn multiple sessions in the same repo, and have all conflicts automatically resolved.

Agents are also able to spawn their own swarms autonomously. They have a swarm tool which allows them to spawn in their own teamates to accomplish tasks in parallel. Doing so turns the main agent into a coordinator and the spawned agents into workers. Groups of agents, their messaging channels, their completion statuses, etc are all automatically managed. This can be done headlessly or headed.

OAuth and Providers

Supports a wide range of providers, including Claude OAuth and OpenAI Codex OAuth.

Customizability / Self-Dev

Jcode is inventing a new form of customizability. One that doesn't limit you to what a plugin or extension can do. Tell your…