7xuanlu/ultrapowers
8 stars · Last commit 2026-06-19
Hand Claude Code a goal and walk away. ultrapowers plans it, builds it test-first, reviews every step, and hands back a branch you can trust. Built on Superpowers.
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# Ultrapowers Ultrapowers takes a goal or a task list and builds it for you, unattended: it plans, builds each task test-first, has a stronger model review every task, loops a critic until the goal is met, and hands back one reviewed branch. You step in at two points only, approving the plan and reviewing the result. The build discipline is [Superpowers](https://github.com/obra/superpowers)' work by Jesse Vincent ([@obra](https://github.com/obra)), embedded with gratitude. Ultrapowers' part is the host: it runs that discipline on a deterministic JavaScript coordinator, so a long, many-task build runs hands-off without filling up your chat session. The name comes from a Superpowers proposal obra declined; see [Why it exists](#why-it-exists). ## What you get  Two findings, from a model-fair head-to-head against superpowers v6 (same sonnet implementer and opus reviewers on both sides; the only structural difference is where the orchestration loop runs): - **A cost gap that grows with the build.** One task is a tie ($0.76 vs $0.88). By 12 and 24 tasks