---
title: "AI Agents Pick the Wrong Tool More Often as You Add Tools, and Research Shows Why"
date: 2026-11-02
source: https://hackernoon.com/ai-agents-pick-the-wrong-tool-more-often-as-you-add-tools-and-research-shows-why
description: "More tools make AI agents pick the wrong one. What papers and vendor benchmarks show about tool selection, and how to keep each agent's list short."
---

# AI Agents Pick the Wrong Tool More Often as You Add Tools, and Research Shows Why

More tools make AI agents pick the wrong one. What papers and vendor benchmarks show about tool selection, and how to keep each agent's list short.

*Published: 2026-11-02*