Google Gemini File Search Setup

Overview

Google Gemini File Search is a fully managed RAG system. Upload documents (100+ formats: PDF, Word, Excel, code) and query with natural language—automatic chunking, embeddings, semantic search, and citations.

What This Skill Provides:

• Complete @google/genai File Search API setup
• 8 documented errors with prevention strategies
• Chunking best practices for optimal retrieval
• Cost optimization ($0.15/1M tokens indexing, 3x storage multiplier)
• Cloudflare Workers + Next.js integration templates

Prerequisites

1. Google AI API Key

Create an API key at https://aistudio.google.com/apikey