Hardened RAG Gateway

Filter in, contract out

Hardened RAG Gateway Filter in, contract out User input · prompt or file · Architecture component User input prompt or file Input Guardrail · injection filter · Architecture component · gate Input Guardrail injection filter gate LLM Engine · probabilistic · Architecture component LLM Engine probabilistic Output Validator · JSON schema · Architecture component · gate Output Validator JSON schema gate System action · tool execution · Architecture component System action tool execution Abort and log · telemetry · Architecture component · stop Abort and log telemetry stop clean raw invalid Legend Backend Security External

Two gates

  • • Input filter strips injection
  • • Output parser enforces the contract

Abort path

  • • Invalid output aborts execution
  • • Telemetry logs the attempt