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Build AI agents with basic loops and tool calling in TypeScript

This article provides a guide on constructing an AI agent using TypeScript, emphasizing that the core logic can be achieved with a simple while loop and API calls. It details how to implement tool calling, parallel tool execution, and addresses a specific bug that standard frameworks may not resolve. The tutorial aims to demystify AI agent development for coders. AI

IMPACT Provides a foundational understanding for developers looking to build AI agents using common programming tools.

RANK_REASON The article describes a method for building an AI agent, which is a type of tool or application.

Read on dev.to — LLM tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Build AI agents with basic loops and tool calling in TypeScript

How we ranked this

Signal score
19 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
The article describes a method for building an AI agent, which is a type of tool or application.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, other
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. dev.to — LLM tag TIER_1 English(EN) · Abhisek Mishra ·

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

    <p>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.</p>