Cross-Domain AI Agents: Stop Designing Workflows, Start Learning Primitives
Source: arxiv.org/pdf/2602.11114v1
Current agentic workflow systems break when you change domains.
New research shows a single-pass generator that beats 20-iteration refinement baselines. Here's what builders need to know.
The Problem: Brittle by Design
Building AI agent workflows today is fragile:
- You design a workflow for coding tasks → it fails on data analysis
- You tune it for research → it breaks on customer support
- Every new domain = start from scratch
Current approaches rely on iterative refinement: generate a workflow → test it → fix it → repeat 20+ times. This is slow, expensive, and still produces unstable, domain-specific behavior.
The New Approach: Decompose-Recompose-Decide
Instead of iterating, the new approach internalizes reusable "workflow capabilities" that transfer across domains.
Key insight: Learn a compact set of building blocks, then compose them per-task in a single pass.
How it works
- DECOMPOSE — Extract reusable workflow patterns across diverse domains
- RECOMPOSE — Map each new task to a sparse mix of these patterns
- DECIDE — Attribute success/failure to specific capabilities using counterfactual analysis
One pass. No iteration loops.
Results
- 1-pass generation beats SOTA baselines using 20 iterations
- Works across multi-domain, cross-domain, AND unseen domains
- Substantially lower generation latency and cost
- Built on open-source LLM (not closed API dependent)
Why This Matters for Builders
If you're building multi-agent systems, this is the shift from:
"Design workflows per use case" → "Learn composable capabilities that generalize"
Less engineering per domain. More robust transfer.
Limitations
- Requires diverse training domains to learn good capabilities
- Sparse composition assumes tasks decompose cleanly (not always true)
- Counterfactual attribution adds training complexity
The Takeaway
Stop designing workflows. Start learning workflow primitives.
The teams that build composable agent architectures will outpace those hand-crafting per-domain solutions.
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