DeepSeek Harness Developer Preview Open for Testing

DeepSeek Harness Developer Preview (v0.1) is open for testing by Harness developers worldwide and is also open-source under the MIT license. The product adopts an "everything is a plugin" architecture, built on the Cordis plugin system, allowing for free replacement and combination of Agent capabilities such as models, tools, and skills. It provides four operating modes: Standard, PTC, Minimalist, and Creative, supporting full tool calls and custom presets. Harness Team