How to Use Paper MCP Server Inside a Dev Container
Thales Augusto
If you use Paper as your MCP server and develop inside a Docker-based dev container (VS Code Dev Containers, Cursor, or any devcontainer-compatible editor), you've probably hit this frustrating wall: Failed to reconnect to plugin:paper-desktop:paper: ECONNRESET Your MCP client inside the container tries to reach 127.0.0.1:29979 , but that address points to the container's own loopback — not your host machine where Paper is actually running. This article walks through the exact solution. Why This