adk-rag-agent

Installation
SKILL.md

Google ADK RAG Agent

Build agents that answer questions from document corpora using Vertex AI RAG Engine.

Requirements

  • Vertex AI backend (not Gemini API)
  • Google Cloud project with Vertex AI enabled
  • RAG corpus created in Vertex AI

Environment Variables

GOOGLE_GENAI_USE_VERTEXAI=1
GOOGLE_CLOUD_PROJECT=your-project-id
GOOGLE_CLOUD_LOCATION=us-central1
RAG_CORPUS=projects/{PROJECT_ID}/locations/{LOCATION}/ragCorpora/{CORPUS_ID}
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Feb 9, 2026