CodeBurn
Understand coding-agent spending through local session, model, and project breakdowns.
Run coding agents in resumable cloud workspaces

Open Agents is an open-source application for running coding agents in cloud workspaces. Each session receives an isolated environment with file, network, and runtime access, allowing the agent to inspect a repository, change code, and run commands. Developers describe a task and follow its progress through a session interface with tool activity and resulting changes.
The project uses Vercel's AI SDK, Gateway, Sandbox, and Workflow SDK to connect models and coordinate execution. Sessions work on their own branches, with snapshots and Git integration supporting restoration after inactivity. Durable workflows provide checkpointing and retries for longer tasks. It is useful for exploring a hosted agent workflow while reviewing the code and infrastructure behind the application.
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