Count a List
Count the items flowing through a stream. The counter sits on the stream rather than on a stored array, so it works the same whether the items came from a constant, a folder scan, or a generator. Runs entirely in-process: no model, no key, no cost.

The workflow
Nodes in this workflow
4 nodes · 4 types- Collectionnodetool.control.Collection
- Countnodetool.control.Count
- Listnodetool.constant.List
- Outputnodetool.output.Output
How to run it
- 01
Download NodeTool Studio
Install the free desktop app for macOS, Windows, or Linux. It runs on your own machine, no account required to start.
- 02
Open the Count a List template
Browse the built-in template library inside Studio and open this workflow onto the canvas. Every node is already wired up.
- 03
Add your keys
Connect any model providers this workflow calls with your own API keys, or point it at local models.
- 04
Run and remix
Hit Run to execute the graph and watch results stream in. Swap models, edit prompts, or rewire nodes to make it yours.
Run Count a List on your machine
Free, open source, and yours to run. Download Studio, open the template, and run it with your own keys.








