Sam Bhagwat (from Mastra.ai) has recently released 2nd edition of Principles of Building AI Agents
It’s a free book which you can get here

Once you share your email address, you’ll receive a link to download the book as a PDF.
Here are some heads-ups:

The pdf layout is a little hard to read.
The examples are primarily built using Mastra (obviously!), but he has covered concepts that you can apply in any language or framework.

Leif Latiff

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Community Picks

Sam Bhagwat from Mastra.ai has released the 2nd edition of 'Principles of Building AI Agents', a free PDF book available for download after email registration. While the examples primarily use Mastra framework, the book covers universal concepts applicable across different languages and frameworks. Despite some layout issues, it's described as a short but insightful read for developers interested in AI agent development.

Principles of Building AI Agents by Sam Bhagwat