Uber runs one MCP Gateway for 800+ MCP servers and 5,000+ tools: a control plane crawls internal APIs into disabled-by-default tools, a data plane handles protocol translation, authorization and redaction, and Omni MCP, Response Projection and Code Mode keep context small at scale.
Top Silicon Valley companies are independently building internal AI coding agents that automate everything from a Slack message to a merged PR. This article deep-dives into architectures from Stripe, Ramp, Coinbase, and Spotify — including their 2026 growth numbers (Stripe 7,000+ PRs/week, Ramp 75% of merged PRs) — then expands to cover Google, Meta, Amazon, Uber, Shopify, PostHog, and more.