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Generative AI > Google Gemini API > SEO Product Description Agent

SEO Product Description Agent

Author: Venkata Sudhakar

Well-written, keyword-rich product descriptions drive organic search traffic and improve conversion rates. Writing unique SEO content for thousands of SKUs manually is impractical. ShopMax India can use a Gemini-powered agent to generate optimised descriptions at scale from raw product specifications.

This tutorial builds a Gemini ADK agent that takes a product name, category, and key specifications, then generates a structured SEO product description with a title tag, meta description, and body copy targeting Indian search behaviour.

The below example shows an SEO content generation agent for ShopMax India in a business context.

import asyncio
from google.adk.agents import LlmAgent
from google.adk.tools import FunctionTool
from google.adk.runners import Runner
from google.adk.sessions import InMemorySessionService
from google.genai import types

def build_seo_prompt(product_name: str, category: str, specs: str, price_rs: int) -> dict:
    prompt = (
        f"Write SEO-optimised product content for ShopMax India (Indian electronics retailer).\n"
        f"Product: {product_name}\n"
        f"Category: {category}\n"
        f"Specifications: {specs}\n"
        f"Price: Rs {price_rs:,}\n\n"
        "Output exactly:\n"
        "TITLE TAG (max 60 chars): ...\n"
        "META DESCRIPTION (max 155 chars): ...\n"
        "BODY COPY (120-150 words, include keywords naturally): ...\n"
        "TARGET KEYWORDS (5 keywords, comma-separated): ...\n"
        "Use Indian English. Mention EMI options and free delivery where relevant."
    )
    return {"seo_prompt": prompt, "product": product_name}

prompt_tool = FunctionTool(func=build_seo_prompt)

agent = LlmAgent(
    name="seo_description_agent",
    model="gemini-2.0-flash",
    description="Generates SEO product descriptions for ShopMax India product listings.",
    instruction=(
        "You are an SEO content agent for ShopMax India. "
        "When given a product name, category, specifications, and price, "
        "first call build_seo_prompt to construct the writing brief, "
        "then write the full SEO content yourself following the brief exactly. "
        "Output the TITLE TAG, META DESCRIPTION, BODY COPY, and TARGET KEYWORDS sections."
    ),
    tools=[prompt_tool],
)

async def main():
    session_service = InMemorySessionService()
    runner = Runner(agent=agent, app_name="seo_app", session_service=session_service)
    session = await session_service.create_session(app_name="seo_app", user_id="content1")
    msg = types.Content(role="user", parts=[types.Part(
        text=(
            "Generate SEO content for: Samsung 55-inch 4K Smart TV, "
            "category Electronics, specs: 4K UHD 3840x2160, HDR10+, "
            "4 HDMI ports, WiFi, Bluetooth 5.0, Tizen OS, price Rs 54990"
        )
    )])
    async for event in runner.run_async(user_id="content1", session_id=session.id, new_message=msg):
        if event.is_final_response() and event.content:
            print(event.content.parts[0].text)

asyncio.run(main())

It gives the following output,

TITLE TAG (58 chars):
Samsung 55" 4K Smart TV - Buy at Rs 54,990 | ShopMax India

META DESCRIPTION (152 chars):
Buy Samsung 55-inch 4K UHD Smart TV at Rs 54,990 on ShopMax India.
HDR10+, Tizen OS, 4 HDMI ports. Free delivery + EMI from Rs 2,499/month.

BODY COPY:
Experience cinema-quality viewing with the Samsung 55-inch 4K Smart TV,
now available at ShopMax India for just Rs 54,990. Featuring a stunning
3840x2160 UHD display with HDR10+ technology, every scene comes alive
with vivid colours and deep contrast. The intuitive Tizen OS gives you
instant access to Netflix, Prime Video, and 200+ apps. With 4 HDMI ports
and Bluetooth 5.0, connecting your soundbar, gaming console, or set-top
box is effortless. Order today for free home delivery across India.
No-cost EMI starting at Rs 2,499/month on leading credit cards.

TARGET KEYWORDS:
Samsung 55 inch 4K TV price India, buy Samsung smart TV online,
4K UHD TV under 60000, Samsung Tizen TV India, HDR10 smart TV

ShopMax India can run this agent in batch mode to generate descriptions for entire product categories overnight. The output feeds directly into the product catalogue CMS, reducing content team workload from days to hours while improving search ranking consistency across all SKUs.

Send your comments, suggestions or queries regarding this site to [email protected].