INFORMATIVEFROZEN
Truth Source: Repository schemas and tests are authoritative.
v1.0.0 Release Notes
Release Date: 2025-12-03
1. Introduction
We are proud to announce the release of MPLP (Multi-Agent Lifecycle Protocol) v1.0.0 — a vendor-neutral, protocol-first specification for building observable, interoperable AI agent systems.
2. Key Features
2.1 Protocol Layers
| Layer | Description |
|---|---|
| L1 Core | Context, Plan, Confirm, Trace schemas |
| L2 Coordination | Role, Dialog, Collab, Network modules |
| L3 Execution | Extension, Learning modules |
2.2 Event Architecture
- 3 Physical Event Schemas:
PipelineStageEvent,GraphUpdateEvent,RuntimeExecutionEvent - 12 Logical Event Families: Job, Step, Plan, etc.
2.3 Profiles
| Profile | Use Case |
|---|---|
| SA (Single Agent) | Solo agent execution |
| MAP (Multi-Agent) | Collaborative agent workflows |
3. Package Structure
| Component | Path | Purpose |
|---|---|---|
| Schemas | schemas/v2/ | JSON Schema definitions |
| SDK (TypeScript) | packages/npm/sdk-ts/ | Reference implementation (NPM) |
| SDK (Python) | packages/pypi/ | Cross-language support (PyPI) |
| Source Code | packages/sources/ | Development source |
| Golden Tests | tests/golden/ | Compliance test fixtures |
| Documentation | docs/ | Protocol specification |
4. Installation
TypeScript
npm install @mplp/sdk-ts
Python
pip install mplp
5. Breaking Changes
This is the initial stable release. No breaking changes from v0.9.
6. Known Issues
7. Acknowledgments
Thanks to the Coregentis Team and the Open Source Community for their contributions.