Field notes on agentic AI

The blog.

Models, playbooks, and honest takes on making AI agents useful — written by the small team building Agentic AI.

Models4 min

What Is Claude Fable 5? Anthropic’s New Model, Explained

Claude Fable 5 is Anthropic’s Mythos-class AI model, released June 9, 2026. What it is, how it’s kept safe, pricing, and why it matters for AI agents.

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Guides3 min

AI Agents on Your iPhone: The 2026 Practical Guide

How to run real AI agents on iPhone and iPad: what to look for, privacy questions worth asking, and how to get an agent team working in under a minute.

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Playbook6 min

25 Copy-Paste Prompts That Make AI Agents Genuinely Useful

Field-tested prompts for writing, coding, research, studying, planning, and multi-agent teams — with the one structural trick that makes agents deliver.

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Use cases3 min

10 Real Ways People Use AI Agents in 2026

Real, unglamorous, useful: ten ways people actually use AI agents in 2026 — from inbox triage and trip planning to debugging, studying, and job hunting.

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Deep dive4 min

How AI Agents Actually Work: The Agent Loop, Explained

Plan, act, observe, repeat — the loop behind every AI agent. How agents use tools, keep context, recover from errors, and where they still fail.

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Basics3 min

Agentic AI vs. Generative AI: What’s Actually Different?

Generative AI creates content when you ask. Agentic AI pursues goals — planning, acting, and checking its own work. A plain-English comparison with examples.

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Deep dive3 min

Why Two AI Agents Beat One (and Four Beat Two)

Specialization, critique, and division of labor work for AI agents like they work for people. Why multi-agent team sessions beat one generalist agent.

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