Case Trace Viewer

Open an exported case

Every turn, the span timeline with latency, tokens and cost, the full input and output of each step, and the conversation. Parsed in your browser, nothing is uploaded.

or drop it anywhere on this card
.json export, <agent>-<caseId> older .jsonl exports and to_json.py output
Turns and timelineOne card per user message, the span tree with duration bars, grouped by sub-agent lane.
Inputs and outputsEvery LLM call and tool call in a code editor with folding and find, or as a tree.
ConversationUser and agent messages, dispatches, sub-agent results and thoughts, rendered as markdown.

Keyboard shortcuts

j kNext or previous step (down, up)
[ ]Older or newer turn
/Focus the filter
t cTrace or Conversation view
oOpen another file
?Show this list
EscClose this list, leave a filter box