I remember reading the terms of use before implementing some ideas I had. I'm no attorney, but it seemed pretty clear that this kind of thing wouldn't fly. 2.

I remember reading the terms of use before implementing some ideas I had. I'm no attorney, but it seemed pretty clear that this kind of thing wouldn't fly. 2. ACCESS TO THE SERVICE craigslist grants you a limited, revocable, nonexclusive license to access the Service for your own personal use. This license does not include: (a) access to the Service by Posting Agents; or (b) any collection, aggregation, copying, duplication, display or derivative use of the Service nor any use of data mining, robots, spiders, or similar data gathering and extraction tools for any purpose unless expressly permitted by craigslist. A limited exception to (b) is provided to general purpose internet search engines and non-commercial public archives that use such tools to gather information for the sole purpose of displaying hyperlinks to the Service, provided they each do so from a stable IP address or range of IP addresses using an easily identifiable agent and comply with our robots.txt file. "General purpose internet search engine" does not include a website or search engine or other service that specializes in classified listings or in any subset of classifieds listings such as jobs, housing, for sale, services, or personals, or which is in the business of providing classified ad listing services.