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ArchiveJun 8, 2026Est. 2025

Field Notes.

A working archive of how Marshal thinks about AI agent systems, AI search, and the operating models that make companies hard to ignore.

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Jun 8, 2026
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2025

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08Jun 2026
Workflows

The Business Case for AI Agents Is Mostly a List of Noes

> The business case for AI agents is the per-workflow analysis that decides whether an agent is worth building, measured as the manual-coordination cost a business stops paying minus the oversight...

Kurt Fischman · Jun 8, 2026

27May 2026
Workflows

Understanding Inbound Lead Response Agents

An AI agent for inbound lead response is a productized inbound workflow inside an AI Agent System for founder-led businesses where inbound volume has outgrown the team. The agent owns the path from...

Kurt Fischman · May 27, 2026

27May 2026
AI Agents

AI Agent System vs Chatbot: The Structural Difference

> An AI Agent System is a productized operational layer that owns a workflow end-to-end. A chatbot is a conversational interface that handles one turn of dialogue at a time. The difference is...

Kurt Fischman · May 27, 2026

26May 2026
AI Agents

What is an AI Agent System?

An AI Agent System is the productized operational layer that wraps one or more AI agents, the governance that controls them, and the integrations that connect them to a company's real workflows....

Kurt Fischman · May 26, 2026

23Oct 2025
GEO

Answer Shapes 101

Answer shapes are the structural patterns AI systems use to format responses

Kurt Fischman · Oct 23, 2025

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