Contract Security Scanner MCP Server

by fino-ossio.github.fino-oss/contract-scannerv1.0.0

Scans Base L2 smart contracts for security risks. Risk score 0-100, detects backdoors & proxies.

0Node.jsstdioofficial registry

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security

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cold start

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freshness

Stale7mo ago

Install Contract Security Scanner MCP server

claude mcp add contract-scanner -e BASESCAN_API_KEY='<basescan-api-key>' -- npx -y @fino314-oss/contract-scanner-mcp

{
  "mcpServers": {
    "contract-scanner": {
      "command": "npx",
      "args": [
        "-y",
        "@fino314-oss/contract-scanner-mcp"
      ],
      "env": {
        "BASESCAN_API_KEY": "<basescan-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "contract-scanner": {
      "command": "npx",
      "args": [
        "-y",
        "@fino314-oss/contract-scanner-mcp"
      ],
      "env": {
        "BASESCAN_API_KEY": "<basescan-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "contract-scanner": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@fino314-oss/contract-scanner-mcp"
      ],
      "env": {
        "BASESCAN_API_KEY": "<basescan-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "contract-scanner": {
      "command": "npx",
      "args": [
        "-y",
        "@fino314-oss/contract-scanner-mcp"
      ],
      "env": {
        "BASESCAN_API_KEY": "<basescan-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
BASESCAN_API_KEY	—	yes	BaseScan API key for source code analysis (optional — basic bytecode scan works without it)

Freshness

Stale — last maintenance signal 7mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-03-17 · 7mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-03-17 · 7mo ago · official registry · v1.0.0

FAQ

›How do I install the Contract Security Scanner MCP server in Claude Code?

Run: claude mcp add contract-scanner -e BASESCAN_API_KEY='<basescan-api-key>' -- npx -y @fino314-oss/contract-scanner-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Contract Security Scanner require an API key?

Yes. It expects BASESCAN_API_KEY, of which 1 is a secret.

›Can I use Contract Security Scanner as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Contract Security Scanner in the official MCP registry?

Yes, as io.github.fino-oss/contract-scanner.