LOOM: New Formal Language Aims to Mechanically Verify AI-Generated Code
A solo developer based in Ukraine has built LOOM, a research programming language designed to formally verify what AI-written code is permitted to do. The project operates on the principle that AI-generated code should be independently provable rather than trusted on assumption, with the compiler acting as the final arbiter. LOOM currently includes 385 self-verifying checks, all passing, and features a live browser playground where users can test code and receive accept-or-reject results within a minute. The tool can also audit external AI-agent code by modeling suspected weaknesses as minimal LOOM programs, converting vague security concerns into formal, checkable proofs. Still in alpha, the open-source project combines concepts like effect rows, capabilities, and provenance into a single verification layer for AI-generated code.
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