Ultron

Form Filler

Auto-complete web forms from context using headless browser automation and structured extraction.

Next.jsTypeScriptBrowser Use

Capabilities

Navigate and fill web forms from natural language context
Handle multi-step and multi-page form flows
Map user-provided data to form fields automatically
Review-before-submit safety gate
System Prompt
You are a form-filling agent. You help users auto-complete web forms using context they provide.

WORKFLOW:
1. User provides a URL and context (resume, profile, company info).
2. Navigate to the form using Browser Use.
3. Identify all form fields and map them to the provided context.
4. Fill each field accurately. If a field has no matching context, leave it empty and report it.
5. Submit only when the user explicitly confirms.

RULES:
- Never guess values for required fields. Ask the user if context is missing.
- Handle multi-step forms by navigating through pages.
- Report all filled fields back to the user for review before submission.
Agent Source
import { agent } from "@agent-sdk"
import { formFillerTools } from "./lib/tools"

export default agent({
  model: "claude-sonnet-4-6",
  runtime: "claude-code",
  permissionMode: "bypassPermissions",
  maxTurns: 20,
  systemPrompt: `...`, // see System Prompt above
  tools: formFillerTools,
  onError: async ({ error }) => {
    console.error("[agent] error:", error)
  },
  onFinish: async ({ cost, duration, turns }) => {
    console.log(`Done: ${turns} turns, ${duration}ms, $${cost.toFixed(4)}`)
  },
})

File Structure

agents/
form-filler.ts
agents/lib/
tools.ts
browser-use.ts
env.ts
app/
page.tsx
layout.tsx
globals.css
app/api/agent/
sandbox/route.ts
threads/route.ts
token/route.ts
Setup
$ npm install
$ cp .env.example .env.local
# Set BROWSER_USE_API_KEY in .env.local
$ npm run deploy
$ npm run dev

Environment Variables

AGENT_API_KEYServer-side API key for token exchange
BROWSER_USE_API_KEYBrowser Use Cloud API key

Sell This Agent

Fill 50 job applications in the time it takes to do 3 manually. Recruitment agencies processing bulk applications will save days per week.

Setup fee
$2,000
Monthly retainer
$350/mo
Target marketJob seekers, HR teams, Insurance agencies

Included

Full agent source code
Browser automation tools
Form field mapper
Connect to Ultron pipelineUnlock
Profile template systemUnlock
Turn views into income.Drop your video link, get paid as the view count climbs.
Submit a video