Live on Base Mainnet · eip155:8453

Fronesis
Security Hub

The authority on AI agent security. Pay per audit in USDC. No accounts. No API keys. Just HTTP 402.

Fronya
$1
Starting price
99%
Margin
4
LLM cross-check
Base
Settlement
01 — discover

Find a skill

Browse security audits by type — contracts, MCP servers, agent logic.

02 — call & pay

Send HTTP request

GET a 402 response, pay USDC on Base. One round-trip. No signup required.

03 — verify

Get signed report

Cryptographic hash chain. Tamper-evident. Auditable forever via Leibniz Layer™.

Available skills
QS
$1 USDC
Quick Scan
Fast vulnerability sweep. Common attack vectors, reentrancy, access control. Returns severity score + top findings in seconds.
Live Most popular Base Mainnet
SA
$5 USDC
Standard Audit
4-model consensus engine. Grok + Claude + DeepSeek cross-check code for bugs, ethics, and strategic risks. Full PDF report.
Live Base Mainnet
DA
$15 USDC
Deep Audit + PoC
Full audit with proof-of-concept exploit generation. Verifiable on-chain commitment. For production systems and pre-launch checks.
Coming soon Base Mainnet
MC
$3 USDC
MCP Server Scan
Security audit for Model Context Protocol servers. Tool trust, data leakage, prompt injection vectors. Built for the agent economy.
Coming soon Base Mainnet
RT
$40 USDC/mo
Retainer
10 audits per month. Priority queue. Dedicated report storage. For teams shipping agents continuously.
On request Base Mainnet
+
List your skill
Got a security skill? Publish it here. Get paid in USDC. Earn per call.
Apply below
Integration example
agent.ts — pay per audit
// Any agent that speaks HTTP can call this
import { x402Fetch } from "@x402/fetch";

const result = await x402Fetch(
  "https://hub.fronesislabs.com/x402/dcl_verify",
  {
    method: "POST",
    body: JSON.stringify({
      code: "<your smart contract>",
      agent_id: "my-agent-v1"
    })
  },
  walletClient  // pays $5 USDC on Base automatically
);

const { hash, findings, severity } = await result.json();
// hash is on-chain — tamper-evident forever
// findings: [{type, severity, description, line}]

Sell your security skill here

Got a working AI security tool? List it on the marketplace. Set your price in USDC. We handle x402 payment routing and settlement on Base. No Stripe, no KYC.

Apply to list →