DeepSeek Just Built the Next Generation of Coding Agents

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• Cole evaluates DeepSeek’s new open-source coding agent harness, which rapidly gained over 165,000 GitHub stars, to see if it can replace daily drivers like Claude Code or Pi, potentially by using them as sub-agents.
• The harness is built on an “everything is a plugin” philosophy, supporting “Self-Extensible Agents” and offering “Standard, Creator, and Orchestrator Modes” for custom solutions and integrating sub-agents like Claude Code and Codex.
• Key features include a “Trajectory View” and specific plugins for Vision and GitHub Stats, with practical demonstrations on “Getting the Harness Running” and “Building My Own Plugin with Creator Mode.”
• While powerful and flexible, the video also critically examines the harness’s minimalistic approach, questioning its overall worth and identifying areas “Where It Still Falls Short.”