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
• How to compare home internet providers in Claude
• MCP server for US home internet availability and prices
• US tool reference: inputs, outputs, permissions and errors
• Internet providers in 40 US cities (FCC data)

Mobile plans (US)

• MCP server for comparing US cell phone plans
• How to compare mobile phone plans in ChatGPT
• How to compare mobile phone plans in Claude
• Cheapest US cell phone plans for 1, 2 and 4 lines

VPN and travel eSIM

• VPN prices by term, with renewal prices
• Travel eSIM by country: cheapest plans for 18 destinations

Strom und Gas (Deutschland)

• Strom und Gas vergleichen in ChatGPT