LangChain4j

Product

LangChain4j is an open-source Java library for building LLM-powered applications, offering a unified API over model providers plus tool calling, agents and RAG.

Title graphic: LangChain4j (Product)

Type	Product

Key points about LangChain4j

LangChain4J and Copilot Studio can turn helpful copilots into data-leaking, over-permissioned shadow admins with no audit trail. · Stop Prompt Injection in LangChain4j and…

Episodes about LangChain4j

Stop Prompt Injection in LangChain4j and Copilot Studio

2025-11-29 · Video on YouTube

AI agents are shipping faster than your change control, and they’re carrying master keys to your data. This talk rips into how LangChain4J and Copilot Studio quietly turn “helpful copilots” into data-leaking, over-permissioned shadow admins with no audit…

Frequently asked questions

Why are AI agents built with LangChain4J or Copilot Studio risky?

They can become over-permissioned shadow admins with no audit trail, carrying master keys to data. Prompt injection, over-scoped connectors and missing logs then turn into reportable incidents. · From the episode: Stop Prompt Injection in LangChain4j and…

Glossary

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Maintained by Mirko Peters (Microsoft MVP) · Last updated: 2026-11-03