Observability, security, validation — OpenTelemetry, Prometheus, prompt injection detection, sandboxing, invariants.

Built-in tool catalog — web, file, database, shell, code execution, ML, text, media, email, messaging.

Evaluation framework — G-Eval, quality metrics, release gates, regression detection.

Framework-first HTTP/WebSocket agent server — session management, streaming, tool execution over a versioned protocol.