Cx330xu

AI Agent Engineer

Turning LLM prototypes into production-grade Agent systems — from prompt infrastructure to RAG pipelines

Focus areas

Building intelligent systems with code and clarity.

CSDN 19+ original posts 3 projects Latest post September 17, 2025

Site snapshot

Featured Projects

Active

Centralized 50+ prompt templates with team collaboration and versioning — serves as prompt infrastructure for Agent / RAG projects

PythonFastAPITypeScriptNext.js

GitHub Last updated: March 13, 2026

Active

High-precision PDF vector region extractor supporting 10+ PDF structures, outputting scalable vector PDFs for RAG document preprocessing pipelines

JavaScriptHTMLWeb

GitHub Last updated: January 15, 2026

AI · September 17, 2025 · 1 min read · Advanced

Core principles of prompt engineering, CoT, few-shot learning, RAG, and best practices (Chinese)

Misc · June 11, 2026 · 1 min read · Beginner

Index of 18 original posts on CSDN (Xu_youyaxianshen), being migrated to this site

Misc · June 10, 2026 · 1 min read · Beginner

The motivation and plan behind this personal tech site

Interested in AI Agent / RAG? Reach out via email — I am happy to share detailed project context.