Anthropic Cookbook
Open sourceAnthropic's open-source recipe collection — runnable notebooks for tool use, retrieval, subagents, and automation patterns.
Playbooks
A Practical Guide to Building Agents
OpenAI's plain-language guide to designing agent systems — single versus multi-agent architectures, guardrails, and human-in-the-loop patterns.
Open resourcecdn.openai.com · opens in a new tab
Why it matters
Most marketing automation failures are design failures, not model failures. This guide gives you the vocabulary and decision framework to scope an agent project honestly — including when a simple workflow beats an agent entirely.
What to try
Before your next automation build, run it through the guide's criteria for whether the task warrants an agent at all — and write down the answer.
Tagged under
Related resources
Items that share a category with this one.
Anthropic's engineering essay on agent architectures — workflows versus agents, five composable patterns, and why simple beats clever.
Activepieces
Open sourceOpen-source automation platform whose 280+ integrations double as MCP tools — agents call the same pieces your workflows use.