For a support inbox, rules can identify the language and route known request types. AI can draft an answer from approved material. An agent is justified only if it must inspect an account, choose an allowed action and prepare a change for human approval.
Academy / Rules, automation or agents?
Rules, automation or agents?
Learn when ordinary rules are enough, when AI assistance helps and when an agent is worth the added complexity.
SHORT ANSWER
Rules, automation or agents?
Use ordinary rules when inputs, decisions and outputs are predictable. Add AI when part of the work needs interpretation. Use an agent only when the system must choose between approved tools across several steps. The least complex reliable option is usually the best one.
Teams often introduce an agent before the process has a clear owner, use probabilistic AI for a fixed lookup, or automate a decision whose consequences have not been defined. That adds cost and uncertainty without improving the work.
Write down one workflow step by step. Mark each step as fixed rule, interpretation, tool action or human decision. If most steps are fixed, start with automation—not an agent.
- Deterministic rule
- The same valid input produces the same defined result.
- Agent
- Software that chooses between approved tools while pursuing a bounded goal.
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