oh-my-claudecode (Yeachan-Heo/oh-my-claudecode) layers on top of Claude Code to coordinate up to 32 specialized agents with 40+ skills. Starting in v4.1.7, execution modes include Autopilot, Ultrapilot (3-5x parallel speed), Swarm, Ralph, and Ecomode for token optimization. Community benchmarks report 3-5x productivity gains on complex tasks. Installs through Claude Code's marketplace with no new subscriptions required.