XMCP/1.1 server software for MOO
- XMCP/1.1 is a simple protocol that allows structured messages to be sent from the server to the client.
- http://www.awns.com/tkMOO-light/xmcp.html

XMCP/1.1 Applications
- The main archive for XMCP applications and features an object browser, a mail reader, a chess game and a @who widget.
- http://www.awns.com/tkMOO-light/applications.html

MCP/2.1 Implementation Software and Packages for MOO
- Contains information about MCP and its implementation, along with ten packages for expansion.
- http://www.awns.com/mcp/

The MUD Client Protocol, Version 2.1
- Official documentation covers specifications, implementation, and information.
- http://www.moo.mud.org/mcp/mcp2.html

MCP: Mud Client Protocol
- Links to specifications and supported clients.
- http://mcp.cubik.org/

MCP Implementation in zMUD
- An overview of covered features. Includes links.
- http://www.zuggsoft.com/zmud/mcp-dev.htm