Base Security Scanner MCP

MCP server for AI agents to scan and audit smart contracts on Base for security vulnerabilities. Det

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "base-security-scanner-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "base-security-scanner-mcp"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

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

Terminal

npx -y base-security-scanner-mcp

Configure (Claude Desktop / Cursor)

config.json

{
  "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

Read the full README →View source on GitHub →

Related MCP Servers

View all in Security View all alternatives

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Frequently Asked Questions about Base Security Scanner MCP

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "base-security-scanner-mcp": { "command": "npx", "args": ["-y", "base-security-scanner-mcp"] } }

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Technical Specs & Signals

CategorySecurity

28Quality signal: Emerging · 28/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership8/20

Documentation & tools12/30

Adoption & activity1/15

Community engagement0/10

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More in 🔒 Security →Best MCP servers for Security →Alternatives to Base Security Scanner MCP →Install in Claude Desktop Install in Cursor Install in VS Code

Documentation Overview

base-security-scanner-mcp

Install

Terminal

npx -y base-security-scanner-mcp

Configure (Claude Desktop / Cursor)

config.json

{
  "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

Frequently Asked Questions about Base Security Scanner MCP

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "base-security-scanner-mcp": { "command": "npx", "args": ["-y", "base-security-scanner-mcp"] } }