# Prompt engineering guide
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Prompt engineering is the practice of designing instructions to effectively communicate with large language models (LLMs) like Amazon Nova. Prompt engineering allows you to control model behavior, improve output quality and build reliable AI-powered applications.

Effective prompt engineering involves crafting inputs that guide models to produce desired outputs. A well-crafted prompt provides clear instructions, relevant context and properly formatted input data.

## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for Amazon Nova. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query nova` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).