agent-trajectory-replay-py

agent-trajectory-replay-py

Replay and diff AI agent event trajectories. Pure Python, zero deps. Python port of @mukundakatta/agent-trajectory-replay.

pip install agent-trajectory-replay-py

from agent_trajectory_replay import summarize_trajectory, diff_trajectories, replay_trajectory

events = [{"type": "tool_call", "tool": "search"}, {"type": "final", "content": "ok"}]
summarize_trajectory(events)         # TrajectorySummary(steps=2, tool_calls=1, errors=0, final_output='ok')
diff_trajectories(events, events)    # []  (no diff)
replay_trajectory(events, {"final": lambda e, s: s.update({"a": e["content"]})})
# {"a": "ok"}

License

MIT