Show HN: MCP-Shield – Detect security issues in MCP servers

MCP-Shield scans your installed MCP (Model Context Protocol) servers and detects vulnerabilities like tool poisoning attacks, exfiltration channels and cross-origin escalations. Usage Get help: npx mcp-shield -h Run default scan: npx mcp-shield With Claude API key for enhanced analysis: npx mcp-shield --claude-api-key YOUR_API_KEY With a specific config file: npx mcp-shield --path ~ /path/to/config.json With the --identify-as flag: npx mcp-shield --identify-as claude-desktop Options: --path : Scan a specific path for MCP configuration files ( .mcp/*.json , claude_desktop_config.json ). If omitted, scans standard locations ( ~/.config/.mcp , ~/Library/Application Support/Claude , ~/.continue ). : Scan a specific path for MCP configuration files ( , ). If omitted, scans standard locations ( , , ). --claude-api-key : (Optional) Provide an Anthropic Claude API key for enhanced vulnerability analysis using AI. : (Optional) Provide an Anthropic Claude API key for ... Read full article.