aegis-security

name	aegis-security
description	Blockchain security API for AI agents. Scan tokens, simulate transactions, check addresses for threats. Use when this capability is needed.
metadata	{"author":"demerzels-lab"}

Aegis402 Shield Protocol

Blockchain security API for AI agents. Pay-per-request with USDC on Base or Solana.

Skill Files

File	URL
SKILL.md (this file)	https://aegis402.xyz/skill.md
package.json (metadata)	https://aegis402.xyz/skill.json

Base URL: https://aegis402.xyz/v1

Quick Start

npm install @x402/fetch @x402/evm

import { x402Client, wrapFetchWithPayment } from '@x402/fetch';
import { ExactEvmScheme } from '@x402/evm/exact/client';

const client = new x402Client()
  .register('eip155:*', new ExactEvmScheme(yourEvmWallet));

const fetch402 = wrapFetchWithPayment(fetch, client);

// Payments happen automatically on Base (USDC)
const res = await fetch402('https://aegis402.xyz/v1/check-token/0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48?chain_id=1');
const data = await res.json();

Requirements: USDC on Base Mainnet or Solana Mainnet

---

Pricing

Endpoint	Price	Use Case
POST /simulate-tx	$0.05	Transaction simulation, DeFi safety
GET /check-token/:address	$0.01	Token honeypot detection
GET /check-address/:address	$0.005	Address reputation check

---

Endpoints

Check Token ($0.01)

Scan any token for honeypots, scams, and risks.

curl "https://aegis402.xyz/v1/check-token/0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48?chain_id=1"

Query params:

• chain_id (optional): Network ID. Default: 1 (Ethereum). Use 8453 for Base.

Response:

{
  "address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
  "isHoneypot": false,
  "trustScore": 95,
  "risks": [],
  "_meta": { "requestId": "uuid", "duration": 320 }
}

Check Address ($0.005)

Verify if address is flagged for phishing or poisoning.

curl "https://aegis402.xyz/v1/check-address/0x742d35Cc6634C0532925a3b844Bc454e4438f44e"

Response:

{
  "address": "0x742d35Cc6634C0532925a3b844Bc454e4438f44e",
  "isPoisoned": false,
  "reputation": "NEUTRAL",
  "tags": ["wallet", "established"],
  "_meta": { "requestId": "uuid", "duration": 180 }
}

Simulate Transaction ($0.05)

Predict balance changes and detect threats before signing.

curl -X POST "https://aegis402.xyz/v1/simulate-tx" \
  -H "Content-Type: application/json" \
  -d '{
    "from": "0xYourWallet...",
    "to": "0xContract...",
    "value": "1000000000000000000",
    "data": "0x...",
    "chain_id": 8453
  }'

Request body:

• from (required): Sender address
• to (required): Recipient/contract address
• value (required): Amount in wei
• data (optional): Calldata hex
• chain_id (optional): Network ID

Response:

{
  "isSafe": true,
  "riskLevel": "LOW",
  "simulation": {
    "balanceChanges": [
      { "asset": "USDC", "amount": "-100.00", "address": "0x..." }
    ]
  },
  "warnings": [],
  "_meta": { "requestId": "uuid", "duration": 450 }
}

---

Payment Networks

Network	Wallets
Base (EVM)	MetaMask, Coinbase Wallet
Solana	Phantom, Solflare

TypeScript - Base/EVM

import { x402Client, wrapFetchWithPayment } from '@x402/fetch';
import { ExactEvmScheme } from '@x402/evm/exact/client';
import { privateKeyToAccount } from 'viem/accounts';

const signer = privateKeyToAccount('0x...');
const client = new x402Client()
  .register('eip155:*', new ExactEvmScheme(signer));

const fetch402 = wrapFetchWithPayment(fetch, client);

TypeScript - Solana

import { x402Client, wrapFetchWithPayment } from '@x402/fetch';
import { ExactSvmScheme } from '@x402/svm/exact/client';
import { createKeyPairSignerFromBytes } from '@solana/kit';
import { base58 } from '@scure/base';

const signer = await createKeyPairSignerFromBytes(base58.decode('your_base58_key'));
const client = new x402Client()
  .register('solana:*', new ExactSvmScheme(signer));

const fetch402 = wrapFetchWithPayment(fetch, client);

Python

pip install x402[httpx]

from x402 import x402Client
from x402.http.clients import x402HttpxClient

client = x402Client()
async with x402HttpxClient(client) as http:
    res = await http.get('https://aegis402.xyz/v1/check-token/0x...')

---

Use Cases for AI Agents

Before Swapping Tokens

// Check if token is safe before swap
const tokenCheck = await fetch402(`https://aegis402.xyz/v1/check-token/${tokenAddress}?chain_id=8453`);
const { isHoneypot, trustScore, risks } = await tokenCheck.json();

if (isHoneypot || trustScore < 50) {
  console.log('⚠️ Risky token detected!');
}

Before Signing Transactions

// Simulate transaction before signing
const simulation = await fetch402('https://aegis402.xyz/v1/simulate-tx', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({ from, to, value, data, chain_id: 8453 })
});

const { isSafe, riskLevel, warnings } = await simulation.json();

if (!isSafe || riskLevel === 'CRITICAL') {
  console.log('🚨 Dangerous transaction!', warnings);
}

Validating Recipient Addresses

// Check if address is poisoned before sending
const addressCheck = await fetch402(`https://aegis402.xyz/v1/check-address/${recipientAddress}`);
const { isPoisoned, reputation } = await addressCheck.json();

if (isPoisoned) {
  console.log('🚨 Address poisoning detected!');
}

---

Risk Levels

Level	Meaning
SAFE	No issues detected
LOW	Minor concerns, generally safe
MEDIUM	Some risks, proceed with caution
HIGH	Significant risks detected
CRITICAL	Do not proceed

---

Error Handling

const response = await fetch402(url);

if (!response.ok) {
  if (response.status === 400) {
    // Invalid parameters
    const { error } = await response.json();
    console.error('Bad request:', error);
  } else if (response.status === 402) {
    // Payment failed (insufficient USDC)
    console.error('Payment required - check USDC balance');
  } else if (response.status === 500) {
    // Service error
    const { error, details } = await response.json();
    console.error('Service error:', error, details);
  }
}

---

Supported Chains

Chain	ID	check-token	check-address	simulate-tx
Ethereum	1	✅	✅	✅
Base	8453	✅	✅	✅
Polygon	137	✅	✅	✅
Arbitrum	42161	✅	✅	✅
Optimism	10	✅	✅	✅
BSC	56	✅	✅	✅
Avalanche	43114	✅	✅	✅

---

Health Check (Free)

curl https://aegis402.xyz/health

{
  "status": "healthy",
  "circuitBreaker": { "state": "CLOSED" }
}

---

Links

• Website: https://aegis402.xyz
• API Docs: https://aegis402.xyz/api.html
• Demo: https://aegis402.xyz/demo.html
• x402 Protocol: https://docs.x402.org

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🛡️ Built for the Agentic Economy. Powered by x402 Protocol.

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