Developer Documentation # Everything you need to build with Memberstack. Authentication, member management, and gated content, across a client SDK, a server SDK, a REST API, and an MCP server for AI agents. Pick your surface and start shipping. Choose a product [ ### DOM Package A collection of pre-built components and methods for adding authentication, member management, and gated content to any website. ](/dom-package/quick-start)[ ### Admin Node Package Server-side member, plan, and data management with your secret key, securely, away from the browser. ](/admin-node-package/quick-start)[ ### Admin REST API Language-agnostic HTTP endpoints. Authenticate with a bearer token and manage members, plans, and data from any runtime. ](/admin-rest-api/quick-start)[ ### MCP Server Give AI agents like Claude and Cursor safe, structured access to your Memberstack members, plans, and data tables. ](/mcp-server) Docs for AI agentsllms-full.txt Open the complete, plain-text map of the entire API, drop it into Claude, Cursor, or any agent for grounded answers. [Open](https://www.memberstack.com/llms-full.txt)