Some of this is for you, some of it is for your agents. All of it came out of the same loop: find a problem, build something about it, share what you learn.
Things you use with your hands.
Infinite whiteboard for brainstorming, model canvases, user flows, and thinking in space. Visual planning for builders.
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Data your agent buys one call at a time.
Blueprints from real builds, decisions left in.
Building something specific? If there is a tool or data API that does not exist yet and you would actually use it, say so. It will probably get built.