> For the complete documentation index, see [llms.txt](https://docs.n8n.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.n8n.io/build/integrate-ai/test-and-improve-ai-workflows.md).

# Test and improve AI workflows

Use n8n evaluations to build reliable AI workflows and compare output against known test cases.

## In this section

* [Understand why to test](/build/integrate-ai/test-and-improve-ai-workflows/understand-why-to-test.md): build confidence in your LLM-powered workflows.
* [Run quick evaluations](/build/integrate-ai/test-and-improve-ai-workflows/run-quick-evaluations.md): check results against known test cases during development.
* [Use metrics to measure quality](/build/integrate-ai/test-and-improve-ai-workflows/use-metrics-to-measure-quality.md): measure, score, and improve production workflow performance over time.
* [Fix common issues](/build/integrate-ai/test-and-improve-ai-workflows/fix-common-issues.md): set up specific use cases and address common evaluation issues.

## Related resources

* [Integrate AI](/build/integrate-ai.md)
* [MCP servers](/build/integrate-ai/mcp-servers.md)
* [Understand AI components](/build/integrate-ai/understand-ai-components.md)
* [LangChain in n8n](/build/integrate-ai/langchain-in-n8n.md)
* [AI examples](/build/integrate-ai/ai-examples.md)