arc security for Claude Desktop
com.arcself/arc-security
Scan AI agent skills for 25 attack classes + runtime monitoring. 1,316+ findings.
client:Claude Desktop
transport:stdio
runtime:npm
Install arc security in Claude Desktop
~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"arc-security": {
"command": "npx",
"args": [
"-y",
"arc-security-mcp"
]
}
}
}
Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs