Google AI Tools

Google AI Tools

Unified integration for Google's AI ecosystem: Gemini API (multimodal), Gemini CLI, and NotebookLM.

Module Selection

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Gemini API (Multimodal)

Process audio, images, videos, documents, and generate images.

Prerequisites

export GEMINI_API_KEY="your-key"  # Get from https://aistudio.google.com/​apikey
pip install google-genai python-dotenv pillow

Quick Commands

Transcribe Audio:

python scripts/​gemini_batch_process.py --files audio.mp3 --task transcribe --model gemini-2.5-flash

Analyze Image:

python scripts/​gemini_batch_process.py --files image.jpg --task analyze --prompt "Describe this" --output output.md

Process Video:

python scripts/​gemini_batch_process.py --files video.mp4 --task analyze --prompt "Summarize with timestamps"

Extract from PDF:

python scripts/​gemini_batch_process.py --files doc.pdf --task extract --prompt "Extract tables as JSON" --format json

Generate Image:

python scripts/​gemini_batch_process.py --task generate --prompt "A futuristic city" --model gemini-2.5-flash-image

Model Selection

Supported Formats

• Audio: WAV, MP3, AAC, FLAC, OGG (up to 9.5 hrs)
• Images: PNG, JPEG, WEBP, HEIC (up to 3,600 images)
• Video: MP4, MOV, AVI, WebM (up to 6 hrs)
• Documents: PDF (up to 1,000 pages)

References: references/​audio-processing.md, references/​vision-understanding.md, references/​video-analysis.md, references/​document-extraction.md, references/​image-generation.md

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Gemini CLI

Orchestrate Gemini for code review, web search, and parallel tasks.

Verify Installation

command -v gemini || which gemini

Quick Commands

Code Generation:

gemini "Create [description]. Output complete file." --yolo -o text

Code Review:

gemini "Review [file] for bugs and security issues" -o text

Web Research:

gemini "What are the latest [topic]? Use Google Search." -o text

Architecture Analysis:

gemini "Use codebase_investigator to analyze this project" -o text

Faster Model:

gemini "[prompt]" -m gemini-2.5-flash -o text

Key Flags

• --yolo / -y: Auto-approve tool calls
• -o text: Human-readable output
• -o json: Structured output
• -m gemini-2.5-flash: Faster model

When to Use

✅ Second opinion on code ✅ Current web information ✅ Codebase architecture analysis ✅ Parallel code generation

❌ Simple quick tasks ❌ Interactive refinement

References: references/​gemini-reference.md, references/​gemini-patterns.md, references/​gemini-templates.md, references/​gemini-tools.md

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NotebookLM

Query uploaded documents with source-grounded answers.

Prerequisites

python scripts/​run.py auth_manager.py status  # Check auth
python scripts/​run.py auth_manager.py setup   # One-time setup (browser visible)

Quick Commands

List Notebooks:

python scripts/​run.py notebook_manager.py list

Add Notebook:

python scripts/​run.py notebook_manager.py add \
  --url "https://notebooklm.google.com/​notebook/​..." \
  --name "Name" --description "What it contains" --topics "topic1,topic2"

Ask Question:

python scripts/​run.py ask_question.py --question "Your question" --notebook-id ID

Search Notebooks:

python scripts/​run.py notebook_manager.py search --query "keyword"

Critical Notes

1. Always use run.py wrapper - Handles venv automatically
2. Browser visible for auth - Required for Google login
3. Follow-up questions - Don't stop at first answer
4. Rate limit: 50 queries/​day on free accounts

References: references/​notebooklm-api.md, references/​notebooklm-troubleshooting.md

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Scripts Overview

Gemini API Scripts (in scripts/)

NotebookLM Scripts (via run.py)

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Cost Optimization

Gemini API Pricing

Token Rates

• Audio: 32 tokens/​sec (1 min = 1,920 tokens)
• Video: ~300 tokens/​sec
• PDF: 258 tokens/​page
• Image: 258-1,548 tokens

Best Practices

1. Use gemini-2.5-flash for most tasks
2. Use File API for files >20MB
3. Optimize media before upload
4. Process specific segments, not full videos

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Error Handling

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References

Gemini API

• references/​audio-processing.md
• references/​vision-understanding.md
• references/​video-analysis.md
• references/​document-extraction.md
• references/​image-generation.md

Gemini CLI

• references/​gemini-reference.md
• references/​gemini-patterns.md
• references/​gemini-templates.md
• references/​gemini-tools.md

NotebookLM

• references/​notebooklm-api.md
• references/​notebooklm-troubleshooting.md
• references/​notebooklm-usage.md

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Resources

• Gemini API Key
• Gemini API Docs
• NotebookLM