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Prerequisites

  • Node.js 18.18 or later.
  • The Veryfront CLI installed. See Installation.

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Create the app

veryfront init support-agent --template ai-agent
cd support-agent
The ai-agent template creates a runnable chat app: 
support-agent/
  agents/
    assistant.ts
  tools/
    calculator.ts
  app/
    page.tsx
    api/
      ag-ui/
        route.ts
The template includes the agent, calculator tool, chat page, and AG-UI route.

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Authenticate

From the project directory, authenticate with Veryfront Cloud: 
veryfront login
This lets the app use the Veryfront Cloud gateway for model inference. You can also set VERYFRONT_API_TOKEN directly. Direct provider keys such as OPENAI_API_KEY or ANTHROPIC_API_KEY also work; see Providers.

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Run it locally

veryfront dev

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Verify it worked

Open http://localhost:3000 and ask: 
What is 128 divided by 8?
To test the route without the UI: 
curl -N -X POST http://localhost:3000/api/ag-ui \
  -H "Content-Type: application/json" \
  -d '{"messages":[{"id":"1","role":"user","parts":[{"type":"text","text":"What is 128 divided by 8?"}]}]}'
The answer should stream. The curl response should emit data: lines.