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Attaching Files

You can upload files directly into a Brain conversation for the AI to analyze, summarize, or extract data from.

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How to Attach

  1. Click the paperclip icon in the input area, or
  2. Press / to open the file upload modal
  3. Select files from your computer, or drag and drop them onto the upload zone

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Supported File Types

CategoryExtensions
Documents.pdf, .docx, .txt, .md
Spreadsheets.xlsx, .csv, .json
Images.png, .jpg, .jpeg, .gif, .webp
Maximum file size: 50 MB per file.

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Upload Flow

1

Select files

Choose one or more files. They appear in a queue showing name, size, and status.
2

Upload

Click Attach X file(s) to upload. Files are encrypted with AES-256 and indexed for AI processing.
3

Review attachments

Uploaded files appear as chips above the input field. Click the X on any chip to remove it before sending.
4

Send your message

Type your question about the files and press Enter. The Brain will analyze the attachments alongside your message.
Alex’s screenshot note: Take a screenshot of the file upload modal showing the drop zone, a file in the queue with “uploading” status, and the security badges at the bottom (AES-256, AI Indexing, Persistent Storage).

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What You Can Do With Attachments

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Document Analysis

  • “Summarize this contract and highlight key obligations”
  • “What are the main findings in this research paper?”
  • “Extract all dates and deadlines from this document”

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Spreadsheet Analysis

  • “Analyze this sales data and identify trends”
  • “What’s the average deal size by quarter?”
  • “Find any anomalies in this financial data”

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Image Analysis

  • “What’s shown in this gel image?”
  • “Read the text in this screenshot”
  • “Analyze this assay plate layout”

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Signals Integration

The file upload modal has a second tab called Signals. This lets you pull in external intelligence signals for Brain analysis:
  1. Open the upload modal (paperclip or /)
  2. Click the Signals tab
  3. Search for a signal by keyword
  4. Click a signal to send it to the Brain as a pre-formatted analysis request
The Brain receives the signal’s title, category, source, summary, and AI insight for analysis.
Alex’s screenshot note: Take a screenshot of the file upload modal with the Signals tab selected, showing a list of available signals with their categories and summaries.

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Adding Files to the Knowledge Vault

During a conversation, the Brain can add analyzed files directly to your Knowledge Vault for permanent storage and team-wide AI access:
  • When the Brain has the add_to_knowledge_vault tool available (active when you have attachments), it can store files in the vault
  • Files added this way are automatically indexed and become searchable across future conversations
After analyzing a file, tell the Brain: “Add this to the Science vault” to permanently store it where the whole team can access it.