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Someone Reverse-Engineered DeepSeek Harness's System Prompt and Published It as a Free 'Orange Book'
`alchaincyf/deepseek-harness-orange-book`, created 2026-08-14 — one day after the Harness launch — reached 431 stars publishing what the official docs omit: the complete system prompt, a 129-line boot checklist, and three raw session logs, distributed free as PDF/EPUB/HTML. Independent prompt archaeology arriving within 24 hours of a frontier-lab harness release is now a reliable pattern, and it is the fastest way to learn a new harness's actual control flow. Treat the extracted prompt as unverified against DeepSeek's source, but the boot checklist is directly checkable against the MIT-licensed repo.
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