Explainer

Claude Code Skills: What They Do and Which Ones to Use

A skill isn't an extension to the system prompt, and it doesn't do the job of an MCP server. It shapes what Claude produces without you spelling out what you want every time, and in this post I go through where a skill sits in a call, the skills worth using (my two included) and a template to build your own.

Claude · claude-code

What is a Marketing Engineer (and do you need one)?

In today's post we're taking a closer look at the marketing engineer, the role Greg Isenberg reckons becomes tech's next big hire. The title may or may not stick, but the job is certainly real: I've been running the systems it describes for a year. Here's what it involves, what to build first, and what the sceptics get right.

Automation · AI agents

AI for CFOs: Control Token Spend, Then Put AI to Work in Finance

If you're a CFO, you have two AI hurdles: a token bill that moves with usage, and a finance team that wants to use AI on the books. Today I'm looking at how a gateway with hard budgets turns the first into a fixed cost, and at the SaaS tools and MCP servers for the second, including how I run my own company's books through Xero and Claude.

strategy · claude-code

How to prevent AI hallucinations in your work: the fact-check I run, and what the research says

A single factual error on your site and you're toast. Here's the check I run: my own MCPs find what needs checking and get a second opinion from a separate model, and the primary page settles it. I ran it for real on Saturn's moon count, a number from this page that was already out of date, and set it against what the 2025-26 research says reduces hallucinations.

Claude · strategy

What is RAG, and what could it do in your company?

Your AI confidently answers questions about your business with public-internet knowledge. RAG is the architecture that gets your actual contracts, customer list and operating playbook into the conversation, with citations. Here is what it is, where it sits next to long context and MCP, and what it changes if you sponsor the work this quarter.

Claude · strategy

What Are AI Agents? Agentic AI Explained in Plain English

You can write a good prompt and maybe run an MCP or two, but nothing happens unless you start it. In today's post we're taking a closer look at what an AI agent is, how agentic AI differs from the chat you already use, and the first agent to build in Claude Code.