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7/3/2026
I wrote a free 84-page handbook to take you from "what is a token" to working AI agents

I wrote a free 84-page handbook to take you from "what is a token" to working AI agents

Short summary

Free 84-page AI handbook covering tokens, RAG, agents, and testing—from zero background to building with LangGraph and CrewAI. All code tested and verified for mid-2026. Available on GitHub under CC BY-NC-SA; author plans to serialize deeper chapters on dev.to.

  • •Covers foundational AI concepts (tokens, context, temperature) through building agents with tools
  • •84 pages of verified, hands-on content with 3 capstone projects
  • •Free and open-source (CC BY-NC-SA) on GitHub, with deeper chapters coming on dev.to

Generated with AI, which can make mistakes.

#ai-tools#ai-agents#certification-education#open-source
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