Fractal
### TL;DR
Fractal is an open-source framework for building hierarchical, recursive agent loops that manage large-scale, multi-step autonomous work. By organizing agents into a tree of isolated git worktrees, each with its own budget, lifecycle, and memory, Fractal enables complex tasks like large-scale refactors or research campaigns to proceed reliably and independently.
Key Insights & Metrics
Key Features
- Hierarchical recursive agent loops with branching capabilities
- Isolated git worktrees and persistent memory for every agent node
- Configurable safety boundaries (cost, time, iteration, and depth limits)
- Interactive terminal UI (TUI) for monitoring the tree and individual node performance
- Seamless integration with existing agent harnesses like Claude Code and Codex
- Recursive self-organization allowing work to scale dynamically to fit the task
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