Session Trace
The session trace is a complete log of the agent’s conversation during the eval. It shows every thought, action, and observation.What’s included
- Agent thoughts — the agent’s reasoning process
- Tool calls — API calls, browser actions, file operations
- Observations — results the agent received
- Errors — any errors encountered and how the agent handled them
- Screenshots — browser snapshots showing what the agent saw
Using the trace
The trace is your best tool for understanding why a score is what it is. Look for:- Where the agent got stuck — repeated attempts at the same step
- What confused the agent — misunderstanding docs or error messages
- What worked well — smooth flows the agent navigated easily
Accessing traces
- Dashboard — click any report, then click “Session Trace”
- MCP — use the
get_session_tracetool with the report slug