x402 Agent Tollbooth is answering right now. Last checked 4 min ago. It exposes 4 tools. Last commit 16 Oct 2026.
On-chain DeFi smart contract auditor, arbitrage scanner, and agent tollbooth via x402 on Base.
Over the last week it answered 12.5% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.
claude mcp add x402-agent-tollbooth --transport http https://x402-agent-tollbooth.onrender.com/mcp
{
"mcpServers": {
"x402-agent-tollbooth": {
"url": "https://x402-agent-tollbooth.onrender.com/mcp"
}
}
}
[mcp_servers.x402-agent-tollbooth]
url = "https://x402-agent-tollbooth.onrender.com/mcp"
{
"mcpServers": {
"x402-agent-tollbooth": {
"url": "https://x402-agent-tollbooth.onrender.com/mcp"
}
}
}
{
"mcpServers": {
"x402-agent-tollbooth": {
"url": "https://x402-agent-tollbooth.onrender.com/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
arbitrage_scan
contract_audit
ai_intel
smart_router
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://x402-agent-tollbooth.onrender.com/mcp | streamable-http | answering | 212 ms | 4 min ago |
Real-time token contract safety scanner and honeypot auditor via x402 on Base.
Screen Base smart contracts and B20 tokens: free on-chain check, paid Flash Audit over x402 (USDC).
DeFi smart contract forensic auditor and vulnerability scanner.
x402 contract tools and premium portfolio scans for AI agents on Base.
AI smart contract forge — 8-agent security audits, generation, and compilation across 8 chains
Base mainnet analysis: contract audits, transfer simulation, token pricing. Paid via x402.
Paid OpenAPI audit and API change detection for agents. $0.10 USDC per analysis via x402 on Base.
MCP server for smart contract ABIs and on-chain data from EVM and Solana via Crypto APIs
Answers built from our own checks of this server.