Meta launches Muse Code, an AI agent for large codebases

Meta introduced Muse Code, an AI coding agent aimed at complex software-engineering tasks in large existing codebases, per TechCrunch on August 5, 2026. It extends the Muse family (Spark, Image, Video) into agentic software development.

What it means Every frontier lab now ships a repo-scale coding agent — if you are evaluating one, the field to compare against just widened again.