Prices are checked against each store and labelled with when.
It checks today's price at every store, compares the alternatives and answers in about a minute.
Newsletter Builder Skill is a Markdown skill file you install in Claude or ChatGPT that walks you through a guided setup and then writes formatted newsletter issues on demand. The setup runs 18 questions across five phases: brand and audience strategy, section structure and editorial voice, visual brand assets, an HTML preview you can review, and final skill file generation. The result is a personalized file holding your sections, brand, template and voice, so each later request returns a complete issue rather than a blank page. It suits solo writers, small teams and creators who send on a regular schedule and want consistency without rebuilding the format each time; rivals are generic prompt templates and one-off AI writing prompts, which carry no saved structure or preview step.
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Newsletter Builder Skill is an interview-first Skill for planning and designing a newsletter you send daily, weekly, or monthly. In one guided session, your AI asks 18 questions across five phases: brand and audience strategy, section structure and editorial voice, visual brand assets, an HTML preview you can review before anything is locked in, and final skill file generation.
The session ends with a personalized Skill file that holds your sections, brand, HTML template, and voice. Once the Skill is installed in your AI account, you give it a topic and it returns a complete, fully formatted issue.
The Skill is a plain text Markdown (.md) file that you install directly in your AI account. Claude and ChatGPT both support Skills natively, and the same file installs in either one. Your AI reads it automatically at the start of every relevant conversation, so you don't have to re-explain your brand, process, or preferences. You own the file, so you aren't tied to one platform.