About Guardrail
Guardrail is a dev tools tool listed on SuperLaunch — Stop AI spend before it happens. It is awaiting its first SuperReviewer verdict.
Most AI cost tools tell you what you spent after the fact. Guardrail stops it before it happens. It runs as a local proxy in front of Claude Code and Codex, tracking every request live and blocking the next one once you hit a cap you set, with a graceful choice (finish now vs. stop) instead of a hard kill. You get a live dashboard, cross-tool visibility across Claude Code and Codex in one place, cache-write cost breakdowns, and shadow-usage detection, all without needing an admin console, a specific billing plan, or any setup beyond a single connect command. Free tier available.
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