Uber Ships MCP Gateway at Production Scale — 800 Servers and 5,000 Tools Behind a Single Control Surface

Uber is currently operating more than 800 Model Context Protocol servers and 5,000 individual tools in production. The details, published in an October 2026 engineering blog by a team of eight engineers including a Distinguished Engineer and Principal Engineer, represent the first publicly documented Fortune 500 MCP deployment at this scale. The execution-layer gateway — […]