MCP Integration for Google Antigravity Plugins

Overview

Model Context Protocol (MCP) enables Google Antigravity plugins to integrate with external services and APIs by providing structured tool access. Use MCP integration to expose external service capabilities as tools within Google Antigravity.

Key capabilities:

• Connect to external services (databases, APIs, file systems)
• Provide 10+ related tools from a single service
• Handle OAuth and complex authentication flows
• Bundle MCP servers with plugins for automatic setup

MCP Server Configuration Methods

Plugins can bundle MCP servers in two ways:

Method 1: Dedicated .mcp.json (Recommended)

Create .mcp.json at plugin root: