Agent Builder
Build with the model you want.
Choose your provider, or connect Claude Code and Codex. Your runtime keeps the state, decisions and work together.
- Persistent state
- Verifiable receipts
- Desktop Workspace
First installation or an empty app? Start here to set up your agent. If Workspace is already installed, the installer skips downloading the app again.
Press Update app and you get a one-line command — paste it in Terminal (← ⌘V, return). Your browser downloads nothing, so macOS never marks the app as quarantined and never blocks it opening: no $99 developer account, no right-click → Open. If this machine holds no agent yet — an app that downloaded but never got its agent — the same command installs one first and keeps the app you already have, so nothing is downloaded twice. If an agent is already there, it updates every installed copy of the app and leaves your agent, its memory and your local changes untouched. Choose the build that matches your Mac. On Windows there is no Gatekeeper to work around, so Update app downloads the installer directly — no command to paste. Free does not get the app.
Already installed, but updates will not complete? Download the repair tool for an installation that already has an agent. If your app is empty, you do not need this — Update app above installs the missing agent in one press. Save your work and quit Workspace before running the repair tool.
Free update. Your agent only. No Workspace app. No app fixes.
01How will you connect?
Which model should I point it at? Free is BYOK on every provider, so the model is your choice too. We tune the free install for DeepSeek V4.1 Flash — that is the path we test. For price and efficiency we recommend a flash-tier model: GLM Flash, DeepSeek V4.1 Flash, or any other fast/cheap flash model on the provider you pick. Once the agent is installed you can add more providers and call them — the first one only has to be proven working.