---
title: ToolRouter — Agent Use Case Guide
description: Step-by-step guide for completing a task with a specific AI agent using ToolRouter.
url: https://toolrouter.com/tools/nutrition-data/use-cases/build-nutrition-labels/openclaw
---
# How to Build Nutrition Labels with OpenClaw

OpenClaw processes entire recipe catalogs into nutrition label data, handling the ingredient lookups and aggregation programmatically. Feed it a batch of recipes and get per-serving nutrition facts for each one, formatted consistently for import into product databases or label printing systems.

## Setup

openclaw mcp add toolrouter -- npx -y toolrouter-mcp

## Steps

1. Connect ToolRouter: openclaw mcp add toolrouter -- npx -y toolrouter-mcp
2. Ask OpenClaw: "Build a nutrition label for this recipe: 500g ground beef, 200g pasta, 300g tomato sauce"
3. OpenClaw looks up each ingredient and aggregates the nutrition
4. Ask: "Calculate per-serving values for 4 servings"
5. Use the label data for your product or recipe post

## Example Prompt

```
Create nutrition facts for my soup recipe: 200g chicken, 100g noodles, 300g mixed vegetables, 500ml broth. Serves 3.
```

## Tips

- Include cooking liquids and oils in the calculation for accuracy
- Specify cooked vs raw weights since nutrition differs significantly
- Use per-serving data for consumer-facing labels
