
ROMA - Hierarchical Task Trees for Debuggable Agents
Open-source meta-agent framework for orchestrating complex multi-agent tasks reliably
What is Roma?
ROMA (Recursive Open Meta-Agent) is an open-source framework for building high-performance multi-agent systems that tackle complex, long-horizon tasks. It uses a hierarchical, recursive task tree where parent nodes decompose goals into subtasks and aggregate results, enabling transparent context flow and reliable multi-step reasoning. Designed for builders and researchers who need structured, debuggable multi-agent orchestration with pluggable components.
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Key Features of Roma
- Hierarchical recursive task tree architecture
- Structured Pydantic inputs and outputs
- Transparent context flow and full traceability
- Pluggable agents, tools, and models at node level
- Parallelization support for performance
- Human-in-the-loop checkpoint capabilities
- Debug-friendly reasoning visibility
- State-of-the-art SEALQA benchmark performance
Who Should Use Roma?
Building internet search agents with multi-source reasoning
Generating research reports comparing multiple topics
Orchestrating complex multi-step reasoning tasks
Creating hierarchical task decomposition systems
Implementing medium- to long-horizon agent workflows
Debugging and iterating on agent prompts
Roma: Pros & Cons
✓Pros
- Open-source framework with full transparency
- Structured architecture makes reasoning fully traceable
- Easy to debug and refine prompts
- Modular design allows swapping agents and tools
- Natural parallelization for high performance
- State-of-the-art results on SEALQA (45.6% accuracy)
- Works with any LLM-based agent or model
- Supports human-in-the-loop integration
Frequently Asked Questions about Roma
What is ROMA and what problem does it solve?
ROMA (Recursive Open Meta-Agent) is an open-source framework that orchestrates multi-agent systems to solve complex, long-horizon tasks. It structures task decomposition hierarchically, allowing parent nodes to break goals into subtasks and aggregate results, making medium- to long-horizon reasoning reliable.
How does ROMA's architecture work?
ROMA uses a hierarchical, recursive task tree where parent nodes decompose complex goals into subtasks for child nodes, which solve them using specialized agents and tools. Results flow back up and are aggregated by parent nodes, creating transparent context flow throughout the system.
Can I use ROMA with my own agents and tools?
Yes, ROMA's modular design allows you to plug in any agent, tool, or model at the node level, from specialized LLM-based agents to human-in-the-loop checkpoints.
What are ROMA's performance benchmarks?
ROMA Search, built on ROMA's architecture, achieves 45.6% accuracy on the SEALQA benchmark (Seal-0 subset), state-of-the-art performance on FRAMES (multi-step reasoning), and near state-of-the-art on SimpleQA.
Tool Details
- Pricing
- Free
- Category
- Agent Frameworks
- Added
- Jul 2026
- Last Updated
- Jul 2026
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