Update topics/ai-agent/index.md

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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: TorstenC

topics/ai-agent/index.md

@@ -5,7 +5,6 @@ short_description: Autonomous software systems that use foundation models to rea
 topic: ai-agent
 related: agent-harness, llm, chatbot, machine-learning, mcp
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 An **AI agent** is a software system that autonomously perceives its environment, makes decisions, and takes actions to achieve goals — typically powered by large language models (LLMs). Unlike simple chatbots, AI agents can use tools, access external data, execute code, browse the web, and manage multi-step workflows without continuous human guidance.