The best MCP server is the one you didn't have to build. At Cloudflare we have a lot of products. Our REST OpenAPI spec is over 2.3 million tokens. When teams started building MCP servers, they did what everyone does: cherry-picked important endpoints for their product, wrote some tool definitions and shipped a separate service that covered a small fraction of their API. This was driven by a fundamental context limit of the end users' agent. And tools use a bunch of context just to describe themselves. MCP ...