# Aw1-breaker – Sub-millisecond AST circuit breaker for AI agent tool calls > Source: > Published: 2026-10-26 07:02:25+00:00 Hacker News new | past | comments | ask | show | jobs | submit login Aw1-breaker – Sub-millisecond AST circuit breaker for AI agent tool calls 1 point by MvikVela 9 minutes ago | hide | past | favorite | discuss help Consider applying for YC's Winter 2027 batch! Applications are open till November 2. Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact Search: