Cursor CLI integration

[josevalim]

We have a proof of concept available but it is currently blocked because their agent CLI does not support MCP servers: https://forum.cursor.com/t/mcp-servers-passed-via-session-new-dont-work-in-acp-mode/153823

[josevalim]

They support MCP servers now but tool calls do not return the correct results. We will keep exploring this.