Inter-MUD protocol

Circle Intermud

CircleMUD Intermud

Historical Not in common current use Legacy

An early inter-MUD network for Circle, Merc, Envy, and related servers using standalone daemons.

Protocol overview

First seen: 1995–1996
Present-day status: Historical
In use today?: No common current use was verified.
Legacy?: Yes. It may still matter for compatibility or historical systems.
Layer: Inter-MUD protocol
Transport: UDP between daemons; local Unix socket to the MUD
Research validated: 2026-08-29

Current use and fit

An abandoned historical system.

Implementation essentials

The external daemon owns network communication and translates numeric message records for the game.

Compatibility and safety notes

Position-dependent fields require strict validation.
Do not expose the local control socket broadly.

Original specifications and sources

MUD Standards preservation Preservation

Where an original site has disappeared, a preservation archive is linked and identified as such. MUDVerse does not claim authorship of the original protocol.