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I built an AI skill for searching flights. It taught me more about context engineering than any client project.

I built an AI skill for searching flights. It taught me more about context engineering than any client project.

I built an AI skill for something completely unrelated to accounting — booking flights — and learned more about context engineering in two hours than months of client work had taught me. The first draft captured my obvious preferences. The corrections surfaced knowledge I didn't know I had. That's the encoding gap, and it's the reason most firms' AI stays mediocre.

Peter McCarroll
Peter McCarroll
PwC just stopped selling hours

PwC just stopped selling hours

PwC launched a subscription AI platform that lets clients access tax, financial analysis, and due diligence intelligence — without the hourly bill. When the largest firm in the profession stops selling hours, every firm below them inherits the pricing question. The answer isn't panic. It's building.

Peter McCarroll
Peter McCarroll
Weekly AI Roundup: No one opts out

Weekly AI Roundup: No one opts out

This one's longer than usual — grab a coffee. PwC told partners to get on board or get out. Dext launched an AI agent that learns from your corrections and charges you for the privilege. Xero and Intuit both signed multiyear deals with Anthropic. And that's just the start.