> ## Documentation Index
> Fetch the complete documentation index at: https://www.plain.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# createSidekickMcpServer

> Register a custom (customer-owned) MCP server for Sidekick and mint a Nango Connect session for in-browser OAuth consent. The server is created in an unreachable state; call completeSidekickMcpServerConnection after consent to discover its tools and mark it connected.