Clair tech stack

Answer Claude Code from your wrist

claircode.app ↗Checked Oct 2026

The stack

“Neon Postgres holds the state for Clair's relay: the pairings between computers and phones, and the prompts waiting for a phone to collect them. Serverless Postgres suits a relay that sits idle most of the day and gets busy the moment a session needs you.” — the maker, Sep 2026 ↗

“Clair is built on Claude Code's hooks: they're how it hears about every permission prompt, question and plan, and it never needs your Claude login. The http hook type let a small local agent do the whole job. I also built much of Clair itself with Claude Code,…” — the maker, Sep 2026 ↗

Other

“Clair's relay runs on Vercel, and so does claircode.app. The relay carries sealed prompts from your computer to your phone, and Vercel let me ship it as a NestJS app without looking after a server.” — the maker, Sep 2026 ↗