Solving the MCP Authentication Headache with Vercel & Better Auth
Blog post from Neon
The text discusses the challenges and solutions related to OAuth authentication for MCP (Model Context Protocol) servers, emphasizing the use of Vercel's MCP adapter and Better Auth. Initially, the author faced issues with exposing auth tokens in plaintext while working on a project called agenda.dev, leading to the exploration of OAuth for secure authentication. Through collaboration with Bereket Engida from Better Auth and Andrew Qu from Vercel, a solution was developed using the @vercel/mcp-adapter package, which simplifies the creation of an MCP server within a Next.js project. This package allows developers to set up MCP routes easily and define tools for AI models while managing complex protocol details. The implementation required minimal code changes, making it efficient and quick to integrate. The text highlights that OAuth is a promising solution for MCP authentication, and the author expresses excitement for future developments in the MCP landscape. The open-source repositories for the MCP Adapter and Better Auth are available for further exploration.
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