Building a Streamable HTTP MCP Server: From stdio to Vercel Serverless
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The Model Context Protocol (MCP) is rapidly becoming the standard way AI agents discover and use tools. But most MCP servers today use the stdio transport — they run locally and communicate through standard input/output. That's fine for desktop use, but what about cloud deployment? In this post, I'll walk through how I migrated an MCP server from stdio to Streamable HTTP, deployed it on Vercel's free tier, and got it listed on Smithery.ai — all in a single afternoon. The Problem: stdi