Microsoft shows how PDD Kit formally verifies agent-written login code
AIMicrosoft Research describes PDD Kit, a toolkit that turns a developer's intent into a Verus formal specification, then proves that agent-written Rust code meets it for every input. The post demonstrates the method on the login logic of Pet Store, a full-stack Rust web app, where Verus uncovered existing bugs.
AIWhy it matters.
The post walks through a concrete login example, showing how an approved intent becomes a Verus spec and where the trusted boundary sits.
Source details
Microsoft Research · Alex Lavaee, Matthai Philipose · microsoft.comPublished · added here
Original title: Formally verifying agent-written full-stack web apps with PDD Kit