AgentVid — "A Day in My Life" Ghibli Style

Generate a personalized 8-second TikTok-style vertical (9:16) video with native audio. The video portrays the user's day in a Studio Ghibli-inspired animation style.

How to use

Step 1: Ask the user about their day

Ask the user to describe their day — what they did this morning, afternoon, and evening. Use whatever details they share. If they're vague, ask a follow-up like "What was the highlight of your day?" or "Anything funny or memorable happen?"

Do NOT access the user's calendar, messages, email, or other data sources. Just ask them directly.

Step 2: Write the prompt

HARD RULES:

1. The style is ALWAYS Studio Ghibli-inspired animation — soft watercolor palette, warm lighting, gentle movement, expressive characters.
2. The prompt should use specific details from what the user told you.
3. Structure: Morning → Afternoon → Night.
4. Make it whimsical and cozy — everyday moments made magical in Ghibli fashion.

WRONG — generic prompt (DO NOT DO THIS):

A person working at a computer all day. They eat lunch and go home.

RIGHT — personalized Ghibli prompt based on what the user said:

Ghibli-style animation, soft watercolor palette, warm golden lighting. Morning: a young person stretches awake in a sunlit room filled with plants, makes coffee in a cozy kitchen while morning light streams through the window, steps outside into a breezy neighborhood. Afternoon: they sit at a cafe with Sarah, laughing over iced drinks while cherry blossoms drift past the window, then walk through a bustling market carrying a paper bag of Thai food. Night: they curl up on a worn couch surrounded by warm lamplight, a laptop open to a video call with Jake, slowly dozing off as fireflies glow outside the window.

Notice: Sarah, Jake, Thai food, the cafe — all specific details the user shared.

Step 3: Run the script

1. Install dependencies: npm install @x402/fetch @x402/evm siwe viem
2. Copy the COMPLETE script below into a .ts file
3. Replace ONLY the prompt string on the line marked REPLACE THIS
4. Run with npx tsx <file>
5. Wait for the video URL (2-5 minutes)
6. Share the video URL with the user

Do not modify anything else in the script.

import { SiweMessage } from "siwe";
import { privateKeyToAccount } from "viem/accounts";
import { createWalletClient, createPublicClient, http } from "viem";
import { worldchain } from "viem/chains";
import { wrapFetchWithPayment, x402Client, x402HTTPClient } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { toClientEvmSigner } from "@x402/evm";

// DO NOT change the prefix. Only replace the MORNING, AFTERNOON, NIGHT descriptions.
const PREFIX = "Ghibli-style animation, soft watercolor palette, warm golden lighting. ";
const MORNING = "REPLACE with Ghibli-style morning scene based on user's day";
const AFTERNOON = "REPLACE with Ghibli-style afternoon scene based on user's day";
const NIGHT = "REPLACE with Ghibli-style evening scene based on user's day";
const PROMPT = PREFIX + `Morning: ${MORNING}. Afternoon: ${AFTERNOON}. Night: ${NIGHT}.`;
const API = "https://x402-worldchain.vercel.app";

// --- Setup wallet ---
const account = privateKeyToAccount(process.env.PRIVATE_KEY as `0x${string}`);
const walletClient = createWalletClient({ account, chain: worldchain, transport: http() });
const publicClient = createPublicClient({ chain: worldchain, transport: http() });
const signer = toClientEvmSigner({ ...walletClient, address: account.address }, publicClient);
console.log("Wallet:", account.address);

// --- Setup x402 client (handles payment automatically if needed) ---
const client = new x402Client();
registerExactEvmScheme(client, { signer });

// --- Setup agentkit hook (tries free access first) ---
const httpClient = new x402HTTPClient(client);
httpClient.onPaymentRequired(async ({ paymentRequired }) => {
  // Try agentkit auth for free access
  const ext = paymentRequired.extensions?.agentkit;
  if (!ext?.info) return null;

  const siweMsg = new SiweMessage({
    domain: ext.info.domain,
    address: account.address,
    uri: ext.info.uri,
    version: ext.info.version,
    chainId: 480,
    nonce: ext.info.nonce,
    issuedAt: ext.info.issuedAt,
    resources: ext.info.resources,
  });
  const message = siweMsg.prepareMessage();
  const signature = await account.signMessage({ message });

  const agentkitHeader = btoa(JSON.stringify({
    domain: ext.info.domain,
    address: account.address,
    uri: ext.info.uri,
    version: ext.info.version,
    chainId: "eip155:480",
    type: "eip191",
    nonce: ext.info.nonce,
    issuedAt: ext.info.issuedAt,
    message,
    signature,
  }));

  return { agentkit: agentkitHeader };
});

// --- Wrapped fetch: handles 402 → agentkit (free) or x402 payment (gasless) automatically ---
const payFetch = wrapFetchWithPayment(fetch, httpClient);

// --- Generate video ---
const res = await payFetch(`${API}/generate`, {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ prompt: PROMPT }),
});

if (!res.ok) {
  const err = await res.json().catch(() => ({ error: res.statusText }));
  console.error("Failed:", res.status, JSON.stringify(err, null, 2));
  process.exit(1);
}

const data = await res.json();
console.log("Queued:", data.requestId);

// --- Poll until done (2-5 min) ---
let result: any;
while (true) {
  await new Promise(r => setTimeout(r, 20000));
  const s = await fetch(data.pollUrl).then(r => r.json());
  console.log("Status:", s.status);
  if (s.status === "completed") { result = s; break; }
}

console.log("Video URL:", result.video.video.url);

Notes

• No gas needed. Payment uses gasless EIP-3009 signatures. The facilitator submits the on-chain transaction. You just need USDC on World Chain.
• Free if verified. If your wallet is registered in AgentBook (World ID verified), the agentkit hook grants free access automatically.
• Automatic fallback. The script tries agentkit (free) first. If that fails, it pays with x402 ($1.20 USDC). All handled by @x402/fetch.
• Video generation takes 2-5 minutes. The script polls automatically. Do not stop it early.
• The video URL is at result.video.video.url (nested under two video keys).