AgentsAugust 14, 2026via The Decoder
Claude Code now runs daily maintenance on Anthropic's software with a 46 percent merge rate
Why it matters
Autonomous agents are moving from proof-of-concept to daily production work inside a frontier lab itself. A 46% merge rate on real maintenance tasks signals agents can handle multi-step software engineering workflows with human-in-the-loop review—and it's happening at scale inside the company building them.
Key signals
- Claude Code filed 388 pull requests over several weeks
- 46% merge rate after human review
- Tasks: crash fuzzing, dead-code removal, daily maintenance
- Running on Anthropic's own software stack (internal deployment)
- Boris Cherny (Claude Code inventor) quotes 'early signs of life that this might be possible'
- Human review gate remains in place (not fully autonomous)
The hook
Not a pilot. Claude Code filed 388 PRs on Anthropic's own codebase in weeks—46% merged without human rewrite.
Anthropic is testing whether Claude Code can handle daily maintenance of the company's own apps, from crash fuzzing to dead-code removal. In a few weeks, the AI created 388 pull requests, and 46 percent were merged after human review. Claude Code inventor Boris Cherny sees this as "early signs of li…