nowfound

AI · September 3, 2026

buttercup.sh

Em dashes welcome — learn how to build AI agents

buttercup.sh launched on September 3, 2026 with 8 votes, #1,109 of 8,093 launches that month and more than 90% of that year's launches.

Visit buttercup.sh ↗buttercup.sh alternativestop 14% of September 2026

What it does

Join the next few weeks and learn to build AI agents. Open source. Courses posted on Youtube and buttercup.sh. Learn how to build AI Agents. You may be interested in the high-level details building agents and software. It's important to know what is possible, so you can learn what to ask code agents to add it to your apps. By knowing what is available, you'll be able to build more robust apps and agents.

Learn to build AI agents in a friendly browser workshop where you can write, run, inspect, and undo every step.

come build something curious — lessons · github · feedback · blocks.ai · install Welcome to buttercup.sh. This is a free, hands-on place to learn how AI agents work by building one right here in the page. Each lesson adds a capability, from a first completion call to tools, browser control, vision, and evals. You can begin anywhere, and every past lesson is waiting in the archive . You do not need to sign up. When you’re ready, open KEYS , choose a provider, and paste an API key. Your browser keeps the key in localStorage and sends requests directly to the provider. A lovely first prompt is “scaffold a blocks.ai research agent, then run it” . The…from buttercup.sh

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