This website is maintained by Mark OS, Claude, and Hermes agent workflows.
Mark LittleFractional CMO · AI Marketing Systems
Writing & thinking

Writing.

Notes from building AI marketing systems, fractional CMO engagements and agentic GTM infrastructure in public.

Start here if you are exploring AI marketing systems.

The writing here documents the practical loop I am building: LinkedIn signal, autonomous article production, SEO/AEO improvement and commercial proof on the website.

Vercel and Railway logos displayed side by side on a black background.
AI Agents

Vercel vs Railway: A Practical Guide for Agentic Marketers

Vercel and Railway can both support websites, backend applications and AI agents. This guide explains their operating models, costs and practical marketing use cases.

16 September 2026Read
Automated AEO blog cover for Mark LittleAI Marketing Systems

AI marketing systems should start with signal

Why the useful first layer for AI marketing is continuous customer signal: the questions, frustrations and market changes that should shape content, campaigns and sales conversations.

Sept 2026Read
Automated AEO blog cover for Mark LittleAI Agents

AI marketing now needs architecture skills

Why senior marketers need to understand agent architecture, context, evaluation and approval design if they want AI marketing systems that affect commercial outcomes.

Sept 2026Read
Automated AEO blog cover for Mark LittleAI Agents

AI startups need data and distribution more than another agent

Why easier AI product building pushes defensibility towards proprietary data, positioning and distribution, and what founders should build around the product.

Sept 2026Read
Automated AEO blog cover for Mark LittleAI Agents

Loop engineering is how AI marketing becomes a system

Why loop engineering matters for AI marketing agents, and how founders can turn repeated marketing judgement into governed systems that improve through use.

Sept 2026Read
Automated AEO blog cover for Mark LittleAI Agents

Agentic marketing is becoming the fourth generation of marketing

Why agentic marketing changes the job of the senior marketer, and why founders should care more about systems, judgement and commercial outcomes than AI content volume.

Sept 2026Read
Automated AEO blog cover for Mark LittleAEO

llms.txt is useful infrastructure, not an AI discovery strategy

What this week’s LinkedIn posts showed me about llms.txt, AEO loops and the practical work required to make a brand easier for AI systems to find, trust and cite.

Sept 2026Read
Abstract system map showing an AI marketing workflow passing through a human approval gate before publication.AI Agents

Bad approval design is the real risk in AI marketing.

AI marketing systems fail when approval design, state, audit trails and publishing gates are too loose for real brand work.

Jul 2026Read
I built a newsletter agent with an approval gate. Here is the operating system.AI Agents

I built a newsletter agent with an approval gate. Here is the operating system.

How I use Hermes, Tavily, MailerLite and a human approval gate to turn weekly AI marketing research into a newsletter and blog workflow.

May 2026Read
I built an autonomous lead gen system with Claude, Hermes and Orange Slice.AI Agents

I built an autonomous lead gen system with Claude, Hermes and Orange Slice.

How I turned Streamr's partnership and investor pipeline into a repeatable agentic GTM system with Claude, Hermes, Apollo, Clay, Orange Slice and GitHub.

May 2026Read
I tested whether AI engines could find me. They could not.AEO

I tested whether AI engines could find me. They could not.

What I changed on mark-little.com after testing whether ChatGPT, Perplexity and Claude could identify me as a fractional CMO for AI marketing systems.

May 2026Read
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