WebMCP · x402 EIP-3009 · Keyless simulation

AgentExec + WebMCP Keyless Mainnet Sandbox

Live Base 8453. Fetches a real 402 challenge, shows the EIP-3009 TransferWithAuthorization an agent would sign, then dry-runs via public eth_estimateGas. No keys in this page. No funds move.

← Back to AgentExec
Network
Base Mainnet (8453)
Hard drain cap
$5.00 USD / intent
Allowlist
USDC + Uniswap V3
0x833589…2913 · 0x262666…e481
MCP gateway
agentexec-gateway 1.0.0
io.github.Har50/gateway v1.0.2
Simulation
Base RPC eth_estimateGas
x402
EIP-3009 TransferWithAuthorization
WebMCP state
PENDING
// live execution event stream (keyless)
Click the button to trigger a keyless simulation…