Virtual MCP Server

Virtual MCP Server (vMCP) is a feature of the ToolHive Kubernetes Operator that aggregates multiple backend MCP servers into a single endpoint, enabling unified tool access, centralized authentication, and multi-step workflows.

When to use vMCP

• You manage multiple MCP servers that should appear as one
• You need to centralize authentication across backends
• You want to create reusable workflows spanning multiple systems

Get started

• Understanding Virtual MCP Server - Learn what vMCP does and when to use it
• Quickstart: Virtual MCP Server - Deploy your first vMCP

Contents

📄️ Introduction to vMCP

Understand what Virtual MCP Server (vMCP) does and when to use it.

📄️ Configure vMCP servers

How to configure a Virtual MCP Server for common scenarios.

📄️ Authentication

Configure client and backend authentication for vMCP.

📄️ Tool aggregation and conflict resolution

How vMCP aggregates tools from multiple backends and resolves naming conflicts.

📄️ Composite tools and workflows

Create multi-step workflows that span multiple backend MCP servers.