A sandboxed environment for running multiple AI coding agents in parallel. Built on Pi, bosun provides the infrastructure that makes agent-assisted development practical: a daemon for background automation, task management, multi-agent coordination via pi-mesh, and 38+ skills covering git, browser automation, image generation, and more.
Features
- Nix sandbox — reproducible, isolated dev environments via bubblewrap
- Daemon system — file-based workflows with agent spawning and validation
- Multi-agent mesh — presence, file reservations, and messaging between sessions
- Task agent (Q) — project and task tracking with roadmap aggregation
- Session management — handoffs, pickups, and context transfer between sessions
- Skill system — progressive disclosure of capabilities based on task context
The harness engineering approach behind bosun is documented in the Harness Engineering essays.