Agentic RAG tool_calling issue: Groq + LangChain agent fails with...

grill_gus

I'm building a Streamlit app using LangChain (latest), LangGraph, and Groq with the model: llama-3.3-70b-versatile I'm using the modern create_agent() API (LangGraph-backed). The agent has two tools: search_pdf (custom tool using a Chroma retriever) web_search (DuckDuckGo tool) The agent correctly chooses the appropriate tool based on the query. However, when it tries to call searchdatasheet get the following error from Groq:...

Originally asked by Ravikiran Arasur T S on Stack Exchange (stackoverflow) (CC BY-SA 4.0).

uphilltech

Good thread on this — worth a read before you pay anyone to build it.

Discussion: https://stackoverflow.com/questions/79896070/agentic-rag-tool-calling-issue-groq-langchain-agent-fails-with-tool-use-faile.

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