Open Source AI Harness Profiler – discover where tf your tokens are going
Token Profiler A transparent proxy for the Anthropic and OpenAI APIs that records token usage and shows it in a dashboard. Point your client at it, keep working as normal, and see per-request tokens, reconstructed sessions, tool-level attribution, and estimated cost. Built on Cloudflare Workers, D1, Hono, and React.
- ▪Token Profiler A transparent proxy for the Anthropic and OpenAI APIs that records token usage and shows it in a dashboard.
- ▪Point your client at it, keep working as normal, and see per-request tokens, reconstructed sessions, tool-level attribution, and estimated cost.
- ▪Built on Cloudflare Workers, D1, Hono, and React.
Opening excerpt (first ~120 words) tap to expand
Token Profiler A transparent proxy for the Anthropic and OpenAI APIs that records token usage and shows it in a dashboard. Point your client at it, keep working as normal, and see per-request tokens, reconstructed sessions, tool-level attribution, and estimated cost. Built on Cloudflare Workers, D1, Hono, and React. A hosted instance runs at tryrekon.com. Features Zero added latency — responses stream straight through; recording happens off the critical path. Keys never stored — auth headers are forwarded, never held, so usage is always spent on the caller's own key or subscription. Session trees — the chat APIs are stateless, so the proxy rebuilds each conversation from client signals, forks and all. Tool-level attribution — see which tools actually burn the tokens.
…
Excerpt limited to ~120 words for fair-use compliance. The full article is at GitHub.