A developer used Opus 5.5 and the Lean proof assistant to formally verify the Claude Agent SDK; based on a few short prompts, 16 pull requests were produced to fix bugs and eliminate race conditions. By combining TLA+, they also found data-threading, concurrency, and state-management problems, highlighting the potential role of formal verification in debugging.
AI-generated text
With formal verification, 16 bugs and race conditions were fixed in the Claude Agent SDK
A developer used Opus 5.5 and the Lean proof assistant to formally verify the Claude Agent SDK; based on a few short prompts, 16 pull requests were produced to fix bugs and eliminate race conditions.
