It's not allowed where I work; the commits are signed by a human.
Same goes for my workplace. Human-signed commits only. Companies which are not paying attention will learn eventually. Writing code with AI requires a lot of effort from developers. Specs must be crystal clear, testing philosophy must be good, edge-cases rooted out, regression tests written in advance and proven. In the end, a human being is responsible for the final output; be it the dev who controlled the agent, or the CEO who kicked all devs from the team and then told Claude to create an application.