# Limitations

> Known limitations of UiPath Agents in Flow during Preview, covering unsupported tool types, debugging constraints, and evaluation capabilities.

The following limitations apply to Agents in Flow during the preview release.

## Conversational agents

Conversational agents are not available.

## Tools

The following tool types are not available for inline agents in Flow:

- IXP models
- MCP servers
- Web Search

## Debugging

- **Cross-runtime debug** — Debugging inline agents within a full flow execution is not supported. Single-agent debug mode is available for testing individual agent nodes in isolation.

## Evaluation

- **Evaluation creation** — Two Agent Builder capabilities are not yet available for inline agents, including moving a result to a dataset and automatically generating evaluations.
- **Tool simulation** — Simulating an inline agent's tool calls during evaluation is not supported.