Using ChatGPT Subscription with dsh-codex in DeepSeek Harness

Maintained by Yan-Zero, dsh-codex connects ChatGPT subscriptions to DeepSeek Harness via OpenAI Codex login: no Platform API Key required, and no modification to Harness source code. This article cross-checks installation commands, OAuth credential isolation, model directories, search/image reading/image generation and usage boundaries against the community directory page, GitHub README and official repository.