Add a Middleware Type

Companion Guidance

Use karpathy-guidelines alongside this skill for implementation or review work. Keep changes scoped, surface assumptions, and define focused validation before editing.

NeMo Relay supports guardrails (validate/gate) and intercepts (transform) at various pipeline stages. Adding a new middleware type requires changes across all layers.

Use this skill when introducing a new middleware registration surface or adding middleware behavior to a new pipeline stage.

Lock The Design First

Decide these before editing code: