What Uber's 800-Server MCP Gateway Means for Platform Teams
Platform Engineering, Monday, October 12th, 2026
Which parts of Uber's MCP gateway governance model translate to platform teams running 10 to 100 MCP servers.
Uber's MCP Gateway fronts more than 800 MCP servers and 5,000 tools through a registry control plane and a proxy data plane that translates MCP calls into HTTP, gRPC or TChannel via the service mesh.
An AutoCrawler generates virtual MCP servers from Protobuf and Thrift definitions and registers their tools disabled by default.
The article argues that the governance model, not the scale, is what to copy: a tool registry with owners, new tools off until approved, and tool-level authorization.
It also recommends gradual tool discovery, response filtering and repeatable CLI workflows to cut context consumption.