a2a-skill-mesh

Design and Orchestrate Multi-Agent Mesh Systems

The A2A Skill Mesh provides a rigorous framework for architecting complex, multi-agent systems using Google A2A concepts and Mesh Flow's artifact-driven DAG orchestration. It moves beyond simple prompt chaining into a world of structured agent interoperability, task lifecycles, and security boundaries.

What it does

As an architect-level skill, it designs agent groups that can discover each other through Agent Cards and coordinate work via explicit task contracts. It handles the heavy lifting of defining trust boundaries, modality negotiation, and content-type verification between specialized agents.

• Artifact-Driven DAGs: Models workflows by data production rather than just persona descriptions.
• Agent Cards: Generates testable capability models for discovery and routing.
• Task Lifecycle Contracts: Defines how agents handle state, messages, and artifacts.
• Security Modeling: establishes hard gates for auth, authorization, and authority.

Why use this skill

Manual orchestration of multiple agents often leads to "hallucination loops" or broken handoffs. This skill provides a compile-then-run discipline, allowing you to validate and visualize agent interactions before execution. It ensures that every agent handoff is governed by a strict protocol contract, making your agentic workflows predictable, debuggable, and enterprise-ready.

Supported Workflows

The skill integrates with standard development environments (Node/NPM) and supports the generation of project manifests (project.yaml), execution plans, and Mermaid-based DAG visualizations for better observability.