lmcp — Lua MCP server

Lightweight Model Context Protocol (MCP) server in pure Lua.

Runtime dependencies

• Lua 5.1+
• luasocket — needed for the TCP listener. Packaged as lua-socket on Arch/ALARM, lua-socket on Debian.

Files

File	Role
lmcp.lua	library: protocol handling, tool registration
server.lua	HTTP server loop
json.lua	vendored JSON encoder/decoder
example_server.lua	sample server with a couple of tools

Install

Packaged as lmcp in the marfrit overlay repo:

# Arch / ALARM
sudo pacman -S lmcp

# Debian
sudo apt install lmcp

Files land under /usr/share/lua/5.4/ (Lua LUA_PATH). The example server installs as /usr/bin/lmcp-example.