← Back to glossary Glossary

Agent Middleware

Reviewed 19 July 2026 Canonical definition Part of: Runtime Control & Guardrail Terms →

Agent middleware is software that sits between AI agents and the systems they interact with, providing cross-cutting services such as authentication, logging, policy enforcement, retry handling, and protocol translation. It allows governance controls to be applied consistently without embedding them in every agent.

§01 / QUESTIONSterm: Agent Middleware
Questions

Common questions.

What is Agent Middleware?

Agent middleware is software that sits between AI agents and the systems they interact with, providing cross-cutting services such as authentication, logging, policy enforcement, retry handling, and protocol translation.

Why does Agent Middleware matter for AI agents?

It allows governance controls to be applied consistently without embedding them in every agent.

Which terms are related to Agent Middleware?

Closely related concepts include Agent Context Isolation, Policy Enforcement Point, Agent Scaffolding, Governance by Design. Each is defined in the Prefactor glossary.

§02 / RELATEDnext: where this fits
Keep reading

Where this fits.

See how every agent performs, and make it better

Prefactor helps teams observe, evaluate, and improve their AI agents in production, across every framework and provider.