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Hu Jin

Software engineer writing about AI coding tools, RAG, and Azure AI Search.

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Hybrid Search in RAG: Combining BM25 Keyword and Vector Retrieval

Hybrid Search in RAG: Combining BM25 Keyword and Vector Retrieval

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3 min read

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Sandbox Isolation for MCP Servers: Process, Filesystem, and Network Lockdown (Security 4)

Sandbox Isolation for MCP Servers: Process, Filesystem, and Network Lockdown (Security 4)

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3 min read
Advanced Prompt Injection via MCP Tool Results (Security 3)

Advanced Prompt Injection via MCP Tool Results (Security 3)

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4 min read
OAuth and Token Passing in MCP: Should Servers Forward Access Tokens? (Security 2)

OAuth and Token Passing in MCP: Should Servers Forward Access Tokens? (Security 2)

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4 min read
MCP Supply Chain Attacks: Poisoned npm and PyPI Dependencies (Security 1)

MCP Supply Chain Attacks: Poisoned npm and PyPI Dependencies (Security 1)

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3 min read
Building a RAG Pipeline from Scratch: Embeddings, Vector Store, and Generation

Building a RAG Pipeline from Scratch: Embeddings, Vector Store, and Generation

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5 min read
Fetching Data from an MCP Server in Your Frontend

Fetching Data from an MCP Server in Your Frontend

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4 min read
Securing MCP Server Database Connections: Direct, API, and Beyond

Securing MCP Server Database Connections: Direct, API, and Beyond

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4 min read
Building Your First MCP Server: A Step-by-Step Guide

Building Your First MCP Server: A Step-by-Step Guide

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4 min read
From Requirements Doc to Working Code with Grok: Azure AI Search Integrated with a SQL Database

From Requirements Doc to Working Code with Grok: Azure AI Search Integrated with a SQL Database

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3 min read
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