---
title: Guides · Commerce for Agents
description: Guides for using Commerce for Agents in ChatGPT and Claude: comparing home internet, mobile plans, and German energy tariffs.
url: https://commerceforagents.com/guides
---

# Guides

Last updated: October 10, 2026

Short guides for connecting Commerce for Agents to Claude or ChatGPT and using it for a specific comparison.

## Home internet (US)

- [How to compare home internet providers in ChatGPT](https://commerceforagents.com/guides/compare-broadband-in-chatgpt)
- [How to compare home internet providers in Claude](https://commerceforagents.com/guides/compare-broadband-in-claude)
- [MCP server for US home internet availability and prices](https://commerceforagents.com/guides/us-broadband-mcp-server)
- [US tool reference: inputs, outputs, permissions and errors](https://commerceforagents.com/guides/us-tool-reference)
- [Internet providers in 40 US cities (FCC data)](https://commerceforagents.com/guides/internet-providers)

## Mobile plans (US)

- [MCP server for comparing US cell phone plans](https://commerceforagents.com/guides/us-mobile-plans-mcp-server)
- [How to compare mobile phone plans in ChatGPT](https://commerceforagents.com/guides/compare-mobile-plans-in-chatgpt)
- [How to compare mobile phone plans in Claude](https://commerceforagents.com/guides/compare-mobile-plans-in-claude)
- [Cheapest US cell phone plans for 1, 2 and 4 lines](https://commerceforagents.com/guides/cheapest-phone-plans)

## VPN and travel eSIM

- [VPN prices by term, with renewal prices](https://commerceforagents.com/guides/vpn-prices)
- [Travel eSIM by country: cheapest plans for 18 destinations](https://commerceforagents.com/guides/travel-esim)

## Strom und Gas (Deutschland)

- [Strom und Gas vergleichen in ChatGPT](https://commerceforagents.com/guides/strom-und-gas-vergleichen-in-chatgpt)

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