> ## Documentation Index
> Fetch the complete documentation index at: https://arizeai-433a7140.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Haystack

> Haystack is an open-source framework for building scalable semantic search and QA pipelines with document indexing, retrieval, and reader components

<Card title="Haystack" href="https://haystack.deepset.ai/" icon="globe" horizontal>
  [](https://haystack.deepset.ai/)
</Card>

<Columns cols={2}>
  <Card img="https://storage.googleapis.com/arize-phoenix-assets/assets/images/phoenix-docs-images/98eefc93-image.avif" horizontal title="Haystack Tracing" href="/docs/phoenix/integrations/python/haystack/haystack-tracing" />
</Columns>

### Featured Tutorials

<Columns cols={2}>
  <Card img="https://storage.googleapis.com/arize-phoenix-assets/assets/images/phoenix-docs-images/cf837d90-image.jpeg" horizontal title="Tracing and Evaluating a Haystack Application" href="https://colab.research.google.com/github/Arize-ai/phoenix/blob/main/tutorials/evals/evaluate_rag_haystack.ipynb" />
</Columns>