Format OpenAI Assistant Citations for File Retrieval RAG
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This n8n workflow enhances OpenAI Assistant RAG by extracting and formatting citations from file retrieval. It uses HTTP requests and data manipulation nodes to ensure clean, referenceable output.
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About This Workflow
Overview
This n8n workflow is designed to improve the output of OpenAI Assistants when using File Retrieval (RAG). The core problem it addresses is that OpenAI assistants can sometimes return messy text with unclear or missing citations when retrieving information from files in a vector store. This workflow automates the process of extracting these citations, associating them with their source file names, and then formatting the text to include these references cleanly. This is crucial for ensuring the reliability and usability of AI-generated content that relies on external documents.
Key Features
- Automates citation extraction from OpenAI Assistant file retrieval.
- Retrieves file names associated with citations using file IDs.
- Formats extracted text and file references for clarity.
- Allows for optional conversion of Markdown citations to HTML.
- Integrates with n8n's chat trigger for interactive testing.
How To Use
- Set up your OpenAI API key in n8n credentials.
- Create an OpenAI Assistant with file retrieval capabilities and upload your documents to a vector store.
- Configure the
@n8n/n8n-nodes-langchain.chatTriggernode to interact with your assistant. - Ensure the
OpenAI Assistant with Vector Storenode uses the correct Assistant ID. - The workflow automatically fetches thread content, splits messages and annotations, retrieves file names, and aggregates the data.
- The
Regularize outputnode prepares the data for formatting. - Use the
Optional Markdown to HTMLnode (or custom code) to transform the output into desired formats like Markdown or HTML with clickable links.
Apps Used
Workflow JSON
{
"id": "4a43c0d4-c5de-41e8-adf4-2a7640d5b78b",
"name": "Format OpenAI Assistant Citations for File Retrieval RAG",
"nodes": 0,
"category": "AI Research, RAG and Data Analysis",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
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ID: 4a43c0d4-c5de...
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