# AI agent

> Teach it, set its limits, track its cost.

- [Set up the AI agent](https://tirver.com/help/set-up-the-ai-agent.md): Name it, choose its tone and decide when it answers.
- [Add knowledge sources](https://tirver.com/help/add-knowledge-sources.md): Upload documents or crawl your website so the AI agent has something to answer from.
- [How the AI agent answers](https://tirver.com/help/how-the-ai-agent-answers.md): What the agent looks at, what it says, and when it steps back.
- [Handoff rules](https://tirver.com/help/handoff-rules.md): Decide when the AI agent passes a conversation to a person.
- [What counts as a resolution](https://tirver.com/help/what-counts-as-a-resolution.md): How Tirver decides that the AI agent resolved a conversation, and what it costs.
- [Test the AI agent](https://tirver.com/help/test-the-agent.md): Try questions on the agent before customers do, without using credits.
- [AI usage and credits](https://tirver.com/help/ai-usage-and-credits.md): Read the usage page and see how many credits are left.