Category: AI
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How to write effective evals

We talk a lot about vibe coding, being able to build out product ideas quickly. However, when we deploy products built on existing AI models, we need to ensure the AI’s quality is high, consistent and scalable. Evals provide us with a system to measure quality at scale. Best to start with manual evaluations, which…
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What is Context Engineering in AI?

A few months ago, Shopify’s CEO Tobi Lütke tweeted about “context engineering” – a concept that’s reshaping how we think about AI interactions. We’re all familiar with prompt engineering, where crafting the right input determines your AI output quality. But what happens when your perfectly designed prompt still misses the mark because the AI lacks…
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Building a travel assistant in Bolt

I wanted to create a first iteration of a travel assistant. People increasingly use ChatGPT to create their travel itineraries, and I was curious about what an app could look like that combines both human-curated and AI-generated travel suggestions. First, I took my crude product idea and turned it into a PRD. In Bolt, I…
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Price comparison and AI

I wonder to what extent ChatGPT, Gemini or Claude will eat the lunch of various price comparison sites. Looking at early examples like Google’s Flight Deals and Perplexity Shopping, these AI-powered tools make it incredibly easy to use natural language to find the best deals relevant to you. Think about prompts where users ask for…
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Creating an SEO Analyser in Replit

I started building an SEO Analyser with a simple prompt in Replit: “Create an SEO analysis tool that can evaluate website performance and provide actionable insights.” The Replit Agent presented a plan for me to review and approve. It outlined key features like URL input field and SEO meta tag extraction, along with a first…
