# How to Build an AI Agent from Scratch (It's Just a While Loop)

> Source: <https://dev.to/abhisek_mishra/how-to-build-an-ai-agent-from-scratch-its-just-a-while-loop-2c85>
> Published: 2026-10-04 08:03:36+00:00

Build an AI agent from scratch in TypeScript with only a model API and a loop. Covers tool calling, parallel tool calls, and a bug no framework can fix.

For further actions, you may consider blocking this person and/or reporting abuse

We're a place where coders share, stay up-to-date and grow their careers.