YC S26 · #13 Software for Agents
●Llama 3.3 70B - NVIDIA NIM / 25s timeout / 1024 max tokens · x402 protocol demo (simulated settlement)
AI agents will spend trillions of dollars.
They need brakes.
Give an AI agent a USDC budget and a per-call cap. Watch it discover x402 endpoints, pay as it works, and stop cold when the limit is hit. The first agent wallet with hard spend limits.
x402 protocolUSDC on BaseAgentGuard limitsLlama 3.3 70B reasoning
Total budget$1 USDC
$0.10$5.00
Per-call cap$0.05 USDC
$0.01$0.50
Built in public · YC S26 RFS #13 of 16
One developer building a working demo for every YC Summer 2026 Request for Startups. No pitch decks, no waitlists.