We gave an AI agent its own wallet and a job. Then we tried to rob it.
Meet the Casper Agent Simulator: an AI analyst paying its own way over x402 on @Casper_Network, powered by ChainGPT.
Right now AI agents can't buy anything on their own. Every API wants a human to sign up, hand over a card, and babysit the keys.
The whole internet runs on subscriptions because charging half a cent was never worth the payment fee.
We built a demo to show what happens when that changes.
Meet Caspi. She's an AI research analyst with a Casper wallet, an era allowance, and a client who wants a market briefing.
She buys her own inputs, one request at a time:
→ live CSPR market data
→ two headlines from ChainGPT's AI News API
→ one ChainGPT LLM call for the analyst take
→ a second of compute to compile it
Every purchase is a real HTTP 402. The stall quotes a price, Caspi signs an x402 payment payload, the server verifies it and hands back the goods with a settlement receipt.
Around 8.5 CSPR of micropayments become a finished briefing. No signup, no card, no API key.
What Casper brings to it:
→ Fixed 0.1 CSPR fees, so tiny payments actually make sense
→ Zug finality, settled in one block, no reversals
→ Smart-account guardrails: era spend cap, per-payment ceiling, endpoint whitelist, verifiable identity (caspi.cspr)
That last one is the good part. You can fool an AI agent. You can't fool its account.
So there's a "try to rob the agent" panel.
A 4,800 CSPR fake NFT.
A phishing invoice.
A shady endpoint.
A thousand-payment drain.
Every one of them bounces off a rule the chain enforces. Losses: 0.000 CSPR.
The whole thing was lab-coded with the ChainGPT Claude Code skill.
One prompt scaffolded the x402 server, the signed-payment client, the live news and LLM integration, the guardrail logic, and the entire 8-bit agent floor.
What used to take a team a sprint now takes a prompt and an afternoon.
Install: /plugin install ChainGPT-org/chaingpt-claude-skill
Anyone can build on Casper with ChainGPT!