Tracebox
Tracebox is a black box recorder for AI agents designed to record, replay, debug, and compare execution decisions.
Open productWhat it does
About Tracebox
Tracebox is a black box recorder for AI agents built for developers shipping tool-using systems. It logs the complete execution trajectory of a run—capturing decisions, tool calls, observations, results, and artifacts—into an append-only event stream. Tracebox allows software teams to record, replay, inspect, and debug agent operations as well as compare different execution runs side by side.
- Availability:
- launched
- Access:
- freemium
- Format:
- software
Pricing at launch: Free Developer plan includes 1 project and up to 10,000 events per month.
Core capabilities
Interactive Event Debugger
Allows developers to step through captured agent execution events like a debugger, inspect payloads, jump to tool calls, and verify hash chain integrity.
Side-by-Side Trajectory Diffing
Compares two agent runs side-by-side to highlight the precise point where their decision trajectories split.
Automatic Sensitive Data Redaction
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