MuleSoft Agent Fabric tackles multi-agent sprawl with open spec

MuleSoft Agent Fabric addresses a growing enterprise problem: as AI agents multiply across SaaS platforms, internal development teams, and LLM providers, organizations end up with disconnected silos where no single agent has a holistic enterprise view. Without a unified coordination layer, this leads to agent sprawl and a lack of governance. Agent Fabric provides that layer through four core pillars — Discover, Orchestrate, Govern, and Observe — each backed by a dedicated component.

The Agent Registry serves as a centralized catalog for all agentic assets, eliminating redundancy by giving developers a single source of truth.

The Agent Registry serves as a centralized catalog for all agentic assets, eliminating redundancy by giving developers a single source of truth. The Agent Broker is an LLM-powered intelligent router that dynamically matches incoming tasks to the best-fit agent or tool, handling complex multi-step business processes with traceable outcomes. Agent Governance is enforced through Flex Gateway, which applies security and compliance policies to every agent-agent and agent-tool interaction, with explicit support for the Model Context Protocol (MCP) and Agent2Agent (A2A) protocol. The Agent Visualizer rounds out the platform with a real-time, interactive map of agent interactions for continuous monitoring and optimization.

A key architectural decision is the platform's specification-first approach: agent networks are defined in a YAML metadata descriptor that is explicitly MuleSoft-agnostic, decoupling the network definition from its execution environment. This YAML drives all four pillars — populating the registry, creating brokers, applying governance policies, and configuring observability. Development starts in Anypoint Code Builder via the "MuleSoft: Create an Agent Network Project" command palette command, which scaffolds two files: `agent-network.yaml` and `exchange.json`. The workflow follows a standard SDLC with four stages: environment setup, project creation and design, build and publication to the Agent Registry, and deployment or promotion to a target environment.

Key facts

1. 01MuleSoft Agent Fabric is a unified platform for discovering, orchestrating, governing, and observing AI agents regardless of their origin.
2. 02It addresses 'agent sprawl' caused by agents proliferating across SaaS platforms, in-house builds, and LLM providers.
3. 03The four pillars are: Agent Registry (discovery), Agent Broker (orchestration), Agent Governance via Flex Gateway (governance), and Agent Visualizer (observability).
4. 04Agent Governance supports both Model Context Protocol (MCP) and Agent2Agent (A2A) protocol.
5. 05Agent networks are defined via a specification-first YAML file that is explicitly MuleSoft-agnostic, decoupling definition from execution.
6. 06Development begins in Anypoint Code Builder using the 'MuleSoft: Create an Agent Network Project' command, which generates `agent-network.yaml` and `exchange.json`.
7. 07The development lifecycle follows four stages: environment setup, project creation and design, build and publication, and deployment.

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