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Joe Fernandez
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* docs: single source extensions listings * docs: add infrastructure and updates for catalog * updates: feedback responses, third party and gemini * fix: update Python code
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catalog_title, catalog_description, catalog_icon
| catalog_title | catalog_description | catalog_icon |
|---|---|---|
| Vertex AI RAG Engine | Perform private data retrieval using Vertex AI RAG Engine | /adk-docs/assets/tools-vertex-ai.png |
Vertex AI RAG Engine tool for ADK
Supported in ADKPython v0.1.0Java v0.2.0
The vertex_ai_rag_retrieval tool allows the agent to perform private data retrieval using Vertex
AI RAG Engine.
When you use grounding with Vertex AI RAG Engine, you need to prepare a RAG corpus beforehand. Please refer to the RAG ADK agent sample or Vertex AI RAG Engine page for setting it up.
!!! warning "Warning: Single tool per agent limitation"
This tool can only be used ***by itself*** within an agent instance.
For more information about this limitation and workarounds, see
[Limitations for ADK tools](/adk-docs/tools/limitations/).
=== "Python"
```py
--8<-- "examples/python/snippets/tools/built-in-tools/vertexai_rag_engine.py"
```