Building with Claude.
Field notes on shipping AI-native products with Claude. Build logs, agent patterns, the white-label model, what's working and what isn't. One piece every couple of weeks.
I'm Callum. I run Web Hero and build AI-native products on Claude from Leeds: LoadSnap, Avago, OutPitch, Agency Genius. This is where I write down what's working and what isn't.
Archive
Shipping a SaaS against a regulatory deadline
DEFRA's October 2026 mandate gave me a hard date. Here's how the LoadSnap build is going, with the failure modes named.
The white-label model that lets one builder serve ten agencies
Agency Genius is the engine. Here's the architecture, what it costs to run, and what it took to scale beyond me.
Five custom Claude agents I run every day
The system prompts, the tools, the failure modes. Nothing theoretical, just what I actually use.
What an AI consultant actually does, beyond the prompts
Half the work is unprompting. Helping clients see what doesn't need automating, and what's worth the rebuild.