Building an AI agent with tool use in Python (from scratch, no framework)

📰 Dev.to · Ayi NEDJIMI

Learn to build an AI agent with tool use in Python from scratch, without relying on frameworks, and understand the importance of custom implementation in AI development

advanced Published 22 May 2026
Action Steps
  1. Build a basic AI agent architecture using Python classes and objects
  2. Implement tool use functionality using Python's built-in data structures and algorithms
  3. Configure the agent to interact with its environment and make decisions based on tool use
  4. Test the agent's performance in a simulated environment
  5. Apply the agent to a real-world problem or scenario to demonstrate its effectiveness
Who Needs to Know This

AI engineers and researchers benefit from understanding how to build AI agents from scratch, as it allows for customization and flexibility in AI development. This knowledge can also be applied to improve existing frameworks and tools.

Key Insight

💡 Building AI agents from scratch allows for customization and flexibility in AI development, enabling the creation of tailored solutions for specific problems or scenarios

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