ai-agents 3 Hardening Infrastructure Execution for AI Agents: Isolation Sandboxes and Secret Gateways Jul 25, 2026 Platform Engineering for the Agentic Era: Shifting from Developer Portals to Zero-Trust Execution Guardrails Jul 22, 2026 Benchmarking AI Agents for Kubernetes Ops: Why MCP Outperforms Standard CLI Wrappers Jul 21, 2026