Glossary

AI Agent

Definition

An AI agent is a software system that uses a large language model to autonomously plan, execute, and adapt multi-step tasks — making decisions and using tools without requiring human input at every step.

An AI agent is a software system that uses a large language model to autonomously plan, execute, and adapt multi-step tasks, making decisions and using tools without requiring human input at every step. Unlike a simple chatbot that responds to one prompt at a time, an AI agent can break down a goal into subtasks, call APIs, query databases, write files, and adjust its approach when something fails.

How does an AI agent work?

An AI agent operates through a loop of reasoning, acting, and observing: it receives a goal, plans the steps needed, executes each step using available tools, and evaluates the result before proceeding. This is sometimes called the ReAct (Reasoning + Acting) pattern. A typical agent loop:

  1. Goal — the user or system provides an objective (“Research this lead and draft a follow-up email”)
  2. Plan — the agent breaks the goal into subtasks (search LinkedIn, check CRM history, draft email)
  3. Act — the agent calls tools (web search, CRM API, email drafting)
  4. Observe — the agent reviews the output and decides whether to continue, retry, or escalate

According to Anthropic’s 2025 benchmarks, Claude-based agents complete multi-step research tasks with 85–92% accuracy when given access to relevant tools and clear task boundaries.

Why do AI agents matter for small businesses?

AI agents handle the complex, multi-step work that simple automation cannot — tasks that require judgment, context, and adaptation across multiple systems. Traditional automation (Zapier, Make) excels at “if this, then that” workflows but breaks down when a task requires reading context, making decisions, or handling exceptions. According to McKinsey’s 2024 State of AI report, 65% of organizations now use AI in at least one business function, up from 33% the year before.

What is the difference between an AI agent and workflow automation?

AI AgentWorkflow Automation
Decision-makingReasons about context and adaptsFollows predefined rules
ComplexityMulti-step, branching, adaptiveLinear or branching with fixed logic
Error handlingCan retry, rephrase, or escalateFails or follows a fallback path
Setup effortHigher (needs task scoping + guardrails)Lower (visual builder, drag-and-drop)
Best forResearch, drafting, analysis, triageData sync, notifications, routing

The Aurora Automation Spectrum: Most businesses benefit from a mix — simple automations for predictable tasks, agents for work that requires judgment. The right split depends on how much of your team’s time goes to rule-based tasks versus context-dependent decisions.

FAQ

What is an AI agent?

A software system that uses an LLM to autonomously plan and execute multi-step tasks, making decisions and using tools independently.

How is an AI agent different from a chatbot?

Chatbots follow scripted responses. AI agents reason, plan across steps, use external tools, and adapt based on results.

What tasks can AI agents handle for businesses?

Meeting prep, lead research, document drafting, data analysis, CRM updates, and multi-system workflows are common applications.

What tools are used to build AI agents?

Claude, n8n, LangChain, and CrewAI are popular frameworks for building autonomous AI agents.

Are AI agents safe to use for business operations?

Yes, when built with human-in-the-loop checkpoints for high-stakes decisions and scoped to specific, well-defined tasks.