how can I properly connect an MCP server to the agent will really use it not only at listing tools with that error? https://cdn.discordapp.com/attachments/1211484481848873020/1452070813451685928/image.png?ex=694879d4&is=69472854&hm=7dbcd500ec952cfa8ae186c40be8fd7f271f242f69b72e9a0d9f4def7fae3d32&