React with MCP: secure AI tool access for enterprise apps

Model Context Protocol (MCP) is presented as an open standard for connecting React applications to AI tools and data sources through a unified interface, reducing the need for separate custom integrations for different AI services. While browser-compatible libraries such as use-mcp can simplify prototyping with HTTP or SSE connections, the guide argues that production deployments need additional infrastructure for OAuth or SSO authentication, role-based authorization, audit logging, rate limiting, monitoring, and compliance. It describes MintMCP as a gateway that hosts or connects to MCP servers, routes requests securely, manages credentials, and uses virtual MCP servers to expose curated tool sets for different teams, roles, and environments. The recommended React architecture uses a shared MCP context provider, OAuth callback handling, carefully scoped tools, client-side loading and error states, and gateway-level observability, while addressing common challenges such as CORS, browser credential exposure, local-versus-production configuration, latency, and preventing unauthorized or destructive tool calls.

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