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MCP server to scan smart contracts on Base for honeypots, rug pulls, and vulnerabilities.
About
MCP server to scan smart contracts on Base for honeypots, rug pulls, and vulnerabilities.
Security Report
7.5
Moderate7.5Low RiskValid MCP server (2 strong, 4 medium validity signals). 3 known CVEs in dependencies (0 critical, 2 high severity) Imported from the Official MCP Registry. 1 finding(s) downgraded by scanner intelligence.
3 files analyzed · 4 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Base mainnet RPC URL (defaults to https://mainnet.base.org)
Environment variable: RPC_URL
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-lordbasilaiassistant-sudo-base-security-scanner-mcp": {
"env": {
"RPC_URL": "your-rpc-url-here"
},
"args": [
"-y",
"base-security-scanner-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
base-security-scanner-mcp
MCP server for AI agents to scan smart contracts on Base mainnet for security vulnerabilities. Detect honeypots, rug pulls, hidden mints, proxy patterns, and generate full audit reports -- all read-only, no private key needed.
Install
npx -y base-security-scanner-mcp
Configure (Claude Desktop / Cursor)
{
"mcpServers": {
"base-security-scanner": {
"command": "npx",
"args": ["-y", "base-security-scanner-mcp"]
}
}
}
Tools (8)
| Tool | Description |
|---|---|
scan_contract | Analyze a contract for security issues (reentrancy, access control, hidden mints, proxy patterns) |
check_honeypot | Check if a token is a honeypot by simulating buy+sell via Uniswap V2 |
detect_rug_risk | Score rug pull risk 0-100 based on ownership, liquidity, permissions, honeypot status |
analyze_bytecode | Disassemble bytecode, identify contract type (proxy, AMM, ERC-20, diamond, etc.) |
check_token_permissions | Check owner permissions: mint, pause, blacklist, change fees, disable trading |
get_contract_info | Basic contract metadata: verified status, bytecode size, ETH balance, token info |
compare_bytecode | Clone detection -- check if two contracts share the same bytecode |
audit_report | Full security audit combining all checks into one comprehensive report |
Environment Variables
| Variable | Default | Description |
|---|---|---|
RPC_URL | https://mainnet.base.org | Base mainnet RPC endpoint |
How It Works
- Bytecode Analysis: Extracts PUSH4 opcodes to find function selectors, matches against 30+ known dangerous patterns
- Opcode Scanning: Detects DELEGATECALL, SELFDESTRUCT, CREATE, CREATE2
- Honeypot Detection: Simulates ETH->Token->ETH round-trip via Uniswap V2 router getAmountsOut
- Rug Scoring: Weighted algorithm combining ownership, liquidity depth, dangerous permissions, honeypot status
- Clone Detection: Jaccard similarity on function selector sets
Related MCP Servers
| Package | Tools | What it does |
|---|---|---|
obsd-launchpad-mcp | 14 | Deploy tokens, trade, earn OBSD |
base-security-scanner-mcp | 8 | Scan contracts for vulnerabilities |
base-price-oracle-mcp | 7 | On-chain price feeds from DEX pools |
base-multi-wallet-mcp | 8 | Coordinated multi-wallet trading |
base-gasless-deploy-mcp | 5 | Gasless ERC-20 token deployment |
base-flash-arb-mcp | 7 | Detect arbitrage opportunities |
base-token-sniper-mcp | 5 | Discover & trade new launches |
base-wallet-toolkit-mcp | 7 | Wallet balances, gas, tokens |
base-contract-reader-mcp | 6 | Read any smart contract (free) |
create-mcp-server-cli | - | Scaffold a new MCP server |
License
MIT
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