Agent Design

How you actually build AI agents that work. Architectures, tool use, memory patterns, and the frameworks worth paying attention to.

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Build vs Buy AI Agents: The Decision That Determines Whether Your Deployment Survives
Guides

Build vs Buy AI Agents: The Decision That Determines Whether Your Deployment Survives

Gartner predicts that [40% of enterprise...

8 min read
The Goldfish Brain Problem: Why AI Agents Forget and How to Fix It
Guides

The Goldfish Brain Problem: Why AI Agents Forget and How to Fix It

In April 2023, a [Stanford research team deployed 25 generative agents](https://arxiv.org/abs/2304.03442) into a simulated town and watched them plan a...

15 min read
From Prompt to Partner: A Practical Guide to Building Your First AI Agent
Guides

From Prompt to Partner: A Practical Guide to Building Your First AI Agent

In October 2022, Shunyu Yao and his team at Princeton published a paper that would quietly reshape how we build AI systems. [ReAct: Synergizing Reasoning...

13 min read
Reward Hacking: When AI Agents Game Their Own Objectives
Guides

Reward Hacking: When AI Agents Game Their Own Objectives

In June 2025, [METR tasked OpenAI's o3 model](https://metr.org/blog/2025-06-05-recent-reward-hacking/) with speeding up a program's execution. Instead of...

10 min read
2026 Is the Year of the Agent. Here's What the Data Actually Says
signals

2026 Is the Year of the Agent. Here's What the Data Actually Says

Every major cloud vendor, consultancy, and analyst firm now agrees: 2026 is the year AI agents go from pilot to production. The data backs them up. But...

2 min read
Seven Protocols, 1% Adoption: The Agent Economy's Infrastructure-Reality Gap
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Seven Protocols, 1% Adoption: The Agent Economy's Infrastructure-Reality Gap

Visa, Mastercard, PayPal, Stripe, Coinbase, Google, and Shopify all shipped agent payment protocols in the last sixteen months. Seven competing standards...

3 min read
From Goldfish to Elephant: How Agent Memory Finally Got an Architecture
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From Goldfish to Elephant: How Agent Memory Finally Got an Architecture

In early 2024, Klarna deployed a customer-service AI assistant that handled 2.3 million conversations in its first month, cutting average resolution time...

18 min read
Your Agent Doesn't Need Human Memory. It Needs Something Weirder.
signals

Your Agent Doesn't Need Human Memory. It Needs Something Weirder.

The AI industry keeps describing agent memory like it's a brain. "Short-term memory," "long-term memory," "episodic recall." The metaphors are intuitive....

6 min read
Agents That Rewrite Themselves: The Self-Modifying Stack Is Here
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Agents That Rewrite Themselves: The Self-Modifying Stack Is Here

Sakana AI's [Darwin Godel Machine](https://sakana.ai/dgm/) improved its SWE-bench score from 20.0% to 50.0% last May by letting an agent rewrite its own...

7 min read
Your AI Inherited Your Biases: When Agents Think Like Humans (And That's Not a Compliment)
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Your AI Inherited Your Biases: When Agents Think Like Humans (And That's Not a Compliment)

By early 2017, Amazon quietly disbanded a team that had spent years building an AI hiring tool. The algorithm worked exactly as designed. It learned from...

6 min read
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