Meta has shipped Muse Code, its first coding agent, in a beta release alongside Muse Spark 1.2, a new version of its flagship model that the company says was co-trained with the agent for tighter integration. Muse Code is a terminal agent that installs with a single command and takes on complete software engineering tasks, including planning changes, writing code, and validating results. On its Muse Code product page, Meta describes it as “an agent for your most complex coding workstreams,”…