Agent Design
How you actually build AI agents that work. Architectures, tool use, memory patterns, and the frameworks worth paying attention to.
Key Guides
Latest Signals
- Anthropic's 186-Deal Experiment Shows What the Agent Economy Actually Looks Like
- When NOT to Use an Agent: The Production Data That Should Change Your Default
- Why Multi-Agent Papers Don't Replicate in Production
- Multimodal Agents Score 40% Where Humans Score 72%
- 2026 Is the Year of the Agent. Here's What the Data Actually Says
From the team behind Swarm Signal
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How to Build Agent Evals That Catch Real Failures
title: "How to Build Agent Evals That Catch Real Failures"
Small Language Model Agents: The 2026 Practical Guide to Sub-10B Deployments
title: "Small Language Model Agents: The 2026 Practical Guide to Sub-10B Deployments"
Anthropic's 186-Deal Experiment Shows What the Agent Economy Actually Looks Like
title: "Anthropic's 186-Deal Experiment Shows What the Agent Economy Actually Looks Like"
When NOT to Use an Agent: The Production Data That Should Change Your Default
title: "When NOT to Use an Agent: The Production Data That Should Change Your Default"
AI Agents in Legal: What Works, What Fails, and What the Sanctions Data Actually Shows
title: "AI Agents in Legal: What Works, What Fails, and What the Sanctions Data Actually Shows"
Why Multi-Agent Papers Don't Replicate in Production
A paper from Tran and Kiela tested 28 multi-agent configurations across four architectures: Sequential, Parallel, Debate, and Ensemble. Every single one...
AI Agent ROI: The Calculator and Framework That Cuts Through Vendor Math
title: "AI Agent ROI: The Calculator and Framework That Cuts Through Vendor Math"
Types of AI Agents: The 2026 Classification That Actually Helps
The reactive/deliberative/hybrid taxonomy is broken. The 2026 classification that actually helps: coding agents, research agents, computer-use agents, task agents, multi-agent orchestrators, and self-improving agents.
Multimodal Agents Score 40% Where Humans Score 72%
Every frontier lab now ships models that see, hear, and read. The assumption is that more modalities mean more capable agents. The benchmarks tell a...
AI Coding Agents: What Actually Works in Production
GitHub reports that 46% of all new code is now AI-generated. Ninety-two percent of US developers use AI coding tools daily. Claude Code hit $2.5 billion...