Automation library · AI assistants

Build a RAG demo with EcoHash and BGE

Started by an event in a connected app, and works across in-memory vectors. It puts a language model behind a retrieval step, so answers are drawn from documents you supply rather than from the model alone. 10 steps: a working afternoon to understand properly.

MediumCalls a modelRetrieval

10 stepsMedium: a working afternoon
0Branches: places the flow splits
0Loops or waits
1Service it connects to

The flow

Starts it 1Model 6Logic 2Service 1

The steps in the order they run, from what starts it.

  1. 1Manual Trigger ExecutionManual triggerStarts it
  2. 2Load Default DataDocument Default Data LoaderModel
  3. 3Generate EcoHash EmbeddingsEmbeddings Eco HashModel
  4. 4Run EcoHash Chat ModelLm Chat Eco HashModel
  5. 5Reorder with EcoHash RerankerEco Hash RerankerService
  6. 6Generate Document SetCodeLogic
  7. 7Insert into Vector StoreVector Store In MemoryModel
  8. 8Retrieve from Vector StoreVector Store In MemoryModel
  9. 9EcoHash Analysis AgentAgentModel
  10. 10Consolidate Items to SingleCodeLogic

How it's built

Starts on
An event in a connected app
Steps
10
Size
Medium: a working afternoon
Connects to
in-memory vectors
Model
A language model, family not declared
Retrieval
Answers are drawn from documents you supply, not from the model alone

Questions

What does it need to run?

An n8n account, plus your own in-memory vectors account, and a key for a language model. You connect your own accounts after importing it; none are included.

What starts it?

It starts on an event in a connected app.

Does it use AI?

Yes. It calls a language model. Its answers draw on documents you give it, not on the model alone. Model calls are billed by the provider, not by n8n.

How long does it take to set up?

Plan an afternoon. 10 steps is enough that you should read each one before running it.

How do I import it?

Copy the workflow, open a new workflow in n8n and paste. The steps appear on the canvas, ready for your own accounts.

Before you run it

Nothing here has been tested by us. It is somebody's working automation, read and described from its own steps. Treat the connections it wants as a list of accounts it will touch, and read the 10 steps before you point it at anything that matters.