Design Patterns
4 resources
Building Effective AI Agents
by Anthropic
Workflows vs agents and the core patterns; argues to start simple. Readable without code.
A practical guide to building agents (PDF)
by OpenAI
Plain-language foundations: when to build an agent, orchestration, guardrails.
Agents
by Chip Huyen
Long-form essay on tools, planning, failure modes and evaluating agents.
ReAct: Synergizing Reasoning and Acting in Language Models
Research on combining reasoning with environment actions, a useful reference for agent-loop design.