Runaway cost

Loops and always-on agents burning budget and quota.

• A Stop hook loops until the whole session quota is gone

  A Claude Code Stop hook that kept returning ok:false while a background agent ran looped for about 50 minutes and used the full session quota.

  • Runaway cost
  • Claude Code

• Agents left running 24/7 trigger new usage caps

  Anthropic added weekly Claude Code limits, citing subscribers running it continuously in the background around the clock.

  • Runaway cost
  • Claude Code