InfrastructureSentinel: Policy Enforced Guardrails for Secure MCP-driven Infrastructure Agents. - Tarun Kumar; Aalap Tripathy; Gayathri Saranathan; Martin Foltin; Suparna Bhattacharya; Scott Hinchley; Donald M. Bahls; David Brookshire; Larry Kaplan; Robert W. Wisniewski (AAAI, 2026)