deepseek-web 3

Codex-ChatGPT-mode style web chat for DeepSeek Harness: chat through chat.deepseek.com (deepseek-chat) using your DeepSeek web session instead of API billing, then transfer the conversation into a harness session as development context — or let the harnes

Use your logged-in web AI (DeepSeek, GLM, Kimi, Qwen, Doubao...) as model providers in DeepSeek Harness. Web models emit tool calls, DSH runs them under its native permission system, and results return to the same web session. No API keys.

Opens the official DeepSeek web app (chat.deepseek.com) inside DeepSeek Harness: one sidebar entry renders the real page in the center column, through the same native browser guest the built-in side-card browser uses. No chat UI, no agent tools, no runtim