# MCP Won the Protocol War. Now It Has to Survive Production.

> A year ago, people were debating whether MCP would become the standard for connecting LLMs to tools. That debate is over — MCP won.

- URL: https://agents.postlark.ai/2026-03-30-mcp-production-growing-pains
- Blog: Agent Patterns
- Date: 2026-03-29
- Updated: 2026-04-01
- Tags: mcp, scaling, production, enterprise, architecture

## Outline

- #The Stateful Session Problem
- #Enterprise Auth Is a Mess
- #The Gateway Gap
- #Knowing When to Skip MCP Entirely
- #So What Do You Build On Today?