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Unstructured Foundation is an Early Access product. Unstructured must accept you into the Early Access program before you can begin using Foundation. Add your name to the Early Access interest list.Unstructured is currently accepting a limited number of participants into the Early Access program at its discretion, with plans to expand access to a more general audience in the future.The following information is being provided to give you an advance preview of possible future functionality. Unstructured makes no express claims as to what extent this information will reflect the state of the product upon initial general availability.

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Requirements

Before you begin, you must have the following:

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Set up Foundation

  1. From within a Claude Code session in your terminal, add the Foundation MCP server plugin marketplace: 
    /plugin marketplace add Unstructured-IO/unstructured-foundation-marketplace
  2. Use the marketplace you just added to install the Foundation MCP server: 
    /plugin install foundation@unstructured-foundation
  3. Reload and then begin connecting to the Foundation MCP server from within a Claude Code session: 
    /reload-plugins
/mcp
    Find and select the plugin:foundation:foundation entry, and then select Authenticate.
  4. A web browser tab will appear, prompting you to begin authenticating with Foundation. Follow the on-screen instructions to finish authenticating.

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Connect to and index your source

  1. From within a Claude Code session in your terminal, prompt with the following: /foundation:connect
  2. Click the link that appears in the response. If the link does not appear, go to the following link in your web browser instead: https://foundation.unstructured.io/connect
  3. If prompted, log in to Foundation.
  4. The Connect sources to use Foundation page appears. Connecting to a new source from Claude Code If this page does not appear after you sign in to Foundation, click the New Source button to show a page with similar functionality.
  5. Click one of the available sources, and then click Connect.
  6. Follow the on-screen directions to finish connecting to your source.
  7. View the source files’ ingestion and indexing job’s progress. To do this, on the sidebar, click Summary.
  8. Wait until the source’s tile displays Fully indexed.
  9. You can now start using Claude Code to work with the generated index. For example, you can ask Claude Code questions such as the following: 
    What is a summary of the kinds of information that are available in the Unstructured Foundation index about my sources?

    What are some examples of the kinds of questions I can ask the Unstructured Foundation index about my sources?

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Next steps

  • To learn more about how to use Unstructured Foundation, enter the following prompt in Claude Code: /foundation:help
  • Manage your Foundation sources: Add, change, and remove sources from Foundation.
  • Foundation storage: Understand what artifacts that Foundation generates, indexes, and stores about your sources.
  • Troubleshoot Foundation: Solutions for common issues.

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Questions? Need help?