How to Use the Projects Feature: Build a Knowledge-Base-Powered Domain AI

AI Navigate Original / 3/24/2026

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Key Points

  • Easily create domain-specific AI for business with Claude Pro's Projects feature
  • Knowledge base can be uploaded in multiple formats, including PDF and Markdown
  • Customize response tone and behavior freely with System Prompts
  • Secure and efficient team collaboration through sharing and permissions
  • Example: Significantly improve IT support by using internal manuals to run an AI

What is Claude Pro's Projects feature?

The Projects feature built into Claude Pro is a powerful tool that makes it easy to create and manage specialized AIs with a knowledge base. You can customize and build domain- or task-specific conversational models based on internal documents and manuals. This goes beyond a simple chatbot, enabling the team to share a capable, real-world assistant.

1. How to create a new Project

First, access the Projects feature from Claude Pro's dashboard and create a new Project.

  1. Click the \"New Project\" button on the dashboard
  2. Enter a project name (e.g., \"Internal Support AI\")
  3. Add a brief description (optional)
  4. Press \"Create\" to complete project creation

With this done, the foundation is set, and you can proceed to uploading the knowledge base and prompt configuration.

2. How to upload the knowledge base

The heart of the specialized AI is its knowledge. Claude Pro supports various file formats.

  • Supported formats: PDF, TXT, MD (Markdown), CSV, Word (.docx), etc.
  • Size limit: Up to about 50 MB per file (subject to latest information)

Uploads are performed from the project's \"Knowledge Base\" tab.

  1. Press the \"Upload Files\" button
  2. Select the target files and upload
  3. After upload, the AI automatically analyzes the text and reflects it as internal knowledge

Because Claude AI will answer questions and provide support based on the uploaded documents, the quality of the documents here matters.

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