Definition

What is MPLP?

Canonical website definition anchor for the Multi-Agent Lifecycle Protocol.

Definition

MPLP stands for Multi-Agent Lifecycle Protocol. MPLP is a vendor-neutral lifecycle protocol for AI agent systems.

The slogan “The Agent OS Protocol” may be used as positioning language, but it is not the formal definition of MPLP.

Important Clarification

MPLP is not a software license and does not define licensing terms.

3+1 Entry Model

MPLP information is organized across four surfaces. Repository and Documentation provide the authoritative documentation chain, this website is the discovery and positioning layer, and Validation Lab is the adjudication surface.

Website

Discovery & Positioning

Public discovery guidance, including this canonical website definition anchor.

Docs

Specification & Reference

Authoritative documentation surface for protocol requirements and reference projections.

Lab

Evidence & Adjudication

Adjudication-facing public surfaces for published evaluation views, rulesets, and guarantees.

Repository

Source of Truth

Schemas, tests, and governance records that anchor the documentation chain.

Authority Chain

Quick Facts

What MPLP Is

  • A vendor-neutral lifecycle protocol for AI agent systems
  • A protocol with schemas, tests, and governance records anchored in the documentation chain
  • A protocol designed to support interoperable agent implementations

What MPLP Is Not

  • Not a software license
  • Not a certification program
  • Not a framework, runtime, or platform