Local developer observability sidecar, transcript mining, and workflow skill miner for Claude Code and Antigravity. Runs 100% on your machine — track token spend, cache hits, and idle/active time with zero cloud overhead. Mines your transcripts to auto-detect repeat workflows and turns them into reusable skills. Free and open source. Built by the team behind ACE Fleet, the hosted engine for cutting production AI API costs.

A local proxy that sits in front of your coding agent and tells you what each session actually cost, where the time went, and which optimisations would be worth anything on your traffic. Runs on your machine, uploads nothing. Beta opening now.