Microsoft Research Introduces PDD Kit to Verify Agent-Written Rust Code

Microsoft Research introduced PDD Kit, a research prototype that checks agent-written Rust code against formal specifications; it currently verifies Rust because it uses Verus. The team used the kit on a roughly 5,000-line Pet Store app. It formally verified the login logic and used tests to check behavior outside the proof, including trusted components such as database lookups and password checking.

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