Vulnerable Agent Lab: attacking a tool-using LLM agent

Building a deliberately vulnerable LangChain agent with file and email tools, then attacking it with indirect prompt injection.

July 5, 2026 · 1 min · 149 words · Lynne Lin

Week 2: RAG Pipeline Architecture Review

Reviewing the two phases of my RAG pipeline — indexing and query — and drawing out the full data flow.

1 min · 133 words · Lynne Lin

Week 3: RAG Pipeline

Testing whether a RAG pipeline can be hijacked by an instruction hidden inside a retrieved document — and why a task-specific prompt template may accidentally provide some resistance.

5 min · 1004 words · Lynne Lin