Guides
Long-form guides and principles for designing, building and running agents.
6 resources
12-Factor Agents
HumanLayer's principles for building reliable production LLM agents, modelled on the 12-factor app.github.comA practical guide to building agents
OpenAI PDF on agent use cases, model, tool and instruction design, orchestration patterns and guardrails.cdn.openai.comBuilding effective agents
Anthropic essay on workflow vs agent patterns, and why simple, composable designs beat heavy frameworks.anthropic.comClaude Code best practices
Official tips for Claude Code: context setup, CLAUDE.md, planning, verification and parallel work.code.claude.comEffective context engineering for agents
Anthropic post on curating what an agent sees: compaction, note-taking and sub-agent strategies.anthropic.comWriting effective tools for agents
Anthropic guidance on designing, evaluating and refining tools, including MCP tools, for agents.anthropic.com