PDF Document Q&A Agent

Tools: n8n, Claude AI 

An AI-powered automation that lets users upload any PDF document and ask questions about its content in plain English.

The workflow extracts text from the PDF, sends it to Claude AI with the user's question, and displays the answer within seconds. No technical knowledge required from the end user.

Use cases: contract review, invoice analysis, policy Q&A, report summarization, and extracting key information from business documents.

Who this is for: Anyone who needs to quickly extract information from PDFs: legal teams reviewing contracts, finance teams analyzing invoices, HR processing policy documents, or anyone who wants to ask questions about a document instead of reading it cover to cover.

1. The user uploads a PDF and types their question into a simple web form

2. Text is extracted from the PDF

3. The system verifies that the extraction was successful (if no text can be extracted, the user is notified)

4. The document text and user's question are sent to Claude AI

5. Claude answers based strictly on the document content, with no external knowledge

6. The answer is displayed on the completion page

Nodes: 7

Key integrations: Claude AI (via OpenRouter), n8n PDF extraction

Notable features:

• Simple web form, no technical knowledge needed

• Claude answers strictly from the document (no external knowledge)

• Graceful error handling when text cannot be extracted from the PDF

• Plain text output (no markdown formatting in answers)

• Temperature set to 0.2 for factual, consistent responses