Building Bonnie Bot: A Simple AI Coding Agent for Python

Recently built Bonnie Bot, a simple AI coding agent that can read files, write code, run Python scripts, and use tool calls to complete tasks. Built as a small project, but a useful way to understand the real mechanics behind modern coding agents instead of treating them like a black box. It is intentionally lightweight, and that is part of the value. At a basic level, it follows the same core loop behind tools like Cursor or Claude Code. Under the hood, I kept the code modular with a main agent loop, prompt-driven behavior, function dispatch, sandboxed file operations, controlled Python execution, and separate testable tool modules. That helped me focus on the engineering behind agents, not just the final output. The biggest benefit of building something like this is clarity. You can see how reliability, security, and guardrails fit into the workflow. It currently uses Gemini, but the model layer can be switched to other LLMs as well. This agent and repository are free to use under the MIT License: https://lnkd.in/g7SHnCkm #AI #AIAgents #Python #SoftwareEngineering #Automation

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Honestly, I find it helpful because I working with RAG systems for multiple documents.

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