Hướng Dẫn Thiết Lập Reasoning Proxy DeepSeek V4-Pro với Cursor (2026)
The article provides a guide for setting up the Reasoning Proxy DeepSeek V4-Pro with Cursor. It explains the potential HTTP 400 error that can occur due to the omission of the reasoning_content field by Cursor. The solution involves using the deepseek-cursor-proxy to store and reinject the reasoning_content for successful tool calls.
- ▪DeepSeek V4-Pro can return an HTTP 400 error because Cursor omits the reasoning_content.
- ▪The deepseek-cursor-proxy acts as an intermediary to store and reinject reasoning_content for requests.
- ▪The setup requires installing the proxy, configuring ngrok, and adding a custom model in Cursor.
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| Original publisher | DEV.to (Top) |
| Canonical URL | https://dev.to/sebbasstian/huong-dan-thiet-lap-reasoning-proxy-deepseek-v4-pro-voi-cursor-2026-85g |
| Publication time | Mon, 25 May 2026 09:55:03 +0000 |
| Retrieval time | 2026-05-25T10:07:36.651Z |
| Last seen | 2026-05-25T10:07:36.651Z |
| Headline source | Publisher (no WeSearch rewrite) |
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| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | 334MprUpuJcb |
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| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3818120) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Sebastian Petrus Posted on May 25 • Originally published at apidog.com Hướng Dẫn Thiết Lập Reasoning Proxy DeepSeek V4-Pro với Cursor (2026) #ai #api #llm #tutorial Cắm DeepSeek V4-Pro vào Cursor bằng cấu hình OpenAI-compatible mặc định, bạn có thể gặp lỗi HTTP 400 ngay sau lần gọi công cụ đầu tiên. Nguyên nhân: V4-Pro trả về reasoning_content, Cursor loại bỏ trường này khỏi request tiếp theo, còn API DeepSeek lại yêu cầu chuỗi lý luận đó khi tiếp tục hội thoại có tool_calls.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at DEV.to (Top).
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