DeepSeek Harness sparks agent platform debate: custom FDE vs selling seats

teortaxesTex · x · 2026-11-11

TeortaxesTex quotes a long Chinese post arguing DeepSeek Harness—China's only MIT-licensed open-source agent harness—is lightweight, plugin-extensible, and lets developers ship fully customized vertical agents while borrowing DeepSeek's credibility. Bundled suites like Workbuddy, Qwen Office and Doubao Work lock agents into their office ecosystems, store skills in plaintext, and force dialog-box-only UX, capping pricing power. The post frames a fork in the road for FDEs: either build seats on big-vendor agent platforms for thin channel fees, or use DeepSeek Harness to deliver deeply customized agents with premium margins. The poster adds that DSH's real ambition goes beyond the current superapp, predicting a major DeepSeek update around Sept 21–25 and a next paper on harnesses, agents and context-level continuity.

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