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Cheat sheet on how popular AI agent frameworks are build under the hood

Reddit r/LocalLLaMA / 3/21/2026

💬 OpinionDeveloper Stack & InfrastructureTools & Practical Usage

Key Points

  • The cheat sheet distills how popular AI agent frameworks are built under the hood, outlining core components like agents, tools, planners, and memory management.
  • It points readers to a GitHub repository (ai-agent-handbook) for deeper diagrams and code references to aid practical implementation.
  • The post was submitted on Reddit's r/LocalLLaMA by user Familiar_Relief7976, linking to the thread and its discussions.
  • Overall, the resource serves as a practical explainer aimed at developers and product teams seeking to understand design choices behind AI agent frameworks.