Open sourcing my SSE virtualization layer for Remote MCP

Hi,

I built this virtualization layer for my Serverless MCP platform startup LeanMCP.com . 150+ developers used our platform to build and ship their MCP servers. And it costed us <200$ is AWS vs what it could have otherwise costed $3000+.

Open sourcing most of it to further benefit to the community. Most of the clients are moving towards Streamable HTTPs anyway, but its still relevant given Cursor, Windsurf still support just SSE MCPs.