Specs, guides & references
llms.txt
Proposed /llms.txt file so sites expose content for LLMs.
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AGENTS.mdOpen format for a project file that guides coding agents.
Model Context ProtocolOpen standard for connecting agents to tools and data.
Building effective agentsAnthropic's practical guide to agent architectures and workflows.
12-Factor AgentsEngineering principles for reliable production agent systems.
Loop EngineeringPatterns, starters, and CLIs for designing loops that drive coding agents.
Harness engineeringOpenAI on building the tooling and workflows around coding agents (not just the models).