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Comment · 1 year ago
We (Dylan, Alex, Adam) built this to answer “what actually happened?” in Claude Code runs to debug things like nested tool calls, prompt bloat, token/cost spikes... It’s an open proxy on LiteLLM that emits OTEL + OpenInference spans to Arize-Phoenix.Giving you access to Full traces with internal prompt content, tool calls, streaming chunks, costs, and latency. No signup; works with the Claude Code CLI unchanged; MIT-licensed.

Any feedback welcome, hopefully folks find it useful. Full blog: https://arize.com/blog/claude-code-observability-and-tracing...

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