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Inside the MCP Gateway: typed tool routing across 14 servers

How we built a single typed surface for arbitrary MCP servers without leaking schemas to the wrong tenant.

Anders Ruiz
Staff Eng
May 5, 2026 · 12 min read

This post is in preparation. The short version: we wrote a typed gateway that fans out to any MCP server, normalizes its tool schemas, scopes them to the requesting tenant, and refuses to hand a schema to the wrong caller — even on a cache hit. Full write-up dropping in a couple of weeks. Subscribe to the newsletter if you want a ping.

Anders Ruiz
Staff Eng