VoltAgent Just Asked Us to Build Their Guardrail Provider Interface. Here Is What We Shipped.

Galileo just published their 2026 guardrail solutions guide. Deloitte says only 20% of organizations have mature AI governance. The guardrail market is exploding. But here is the problem: every guardrail solution is a silo. You pick Galileo or NVIDIA NeMo or Guardrails AI, and your agents are locked to that implementation. There is no standard interface for plugging in guardrail logic. VoltAgent Asked for a Fix VoltAgent is a 6.8k-star TypeScript framework for building AI agents. They already had InputGuardrail and OutputGuardrail types — handler functions that run before and after model calls. But the existing system was monolithic. You wrote guardrail functions directly. No way to swap providers. No way for external packages to plug in without coupling to VoltAgent internals. Maintainer uchibeke opened issue #1166 asking for decoupled guardrail hooks. The requirements: Allow people to implement their own guardrail — custom logic, custom rules Use any provider — AIP, APort, or any ext