Commands

All commands use /pendulum as the root.

Command	Description
/pendulum execute <code>	Run JavaScript inline
/pendulum file <path>	Run .js from .minecraft/pendulum/<path>
/pendulum abort	Stop running script immediately
/pendulum status	Show current script state
/pendulum dir	Print the script directory path
/pendulum mcp start	Start MCP server (default port 25566)
/pendulum mcp stop	Stop MCP server
/pendulum mcp status	Check MCP server state

Only one script runs at a time. /pendulum abort if stuck.

Script Files

Place .js files in .minecraft/pendulum/:

.minecraft/
  pendulum/
    farm.js
    mining/
      strip_mine.js
      quarry.js

Run with /pendulum file farm.js or /pendulum file mining/strip_mine.js.

MCP Server

// Start
/pendulum mcp start

// Check
/pendulum mcp status
// → "MCP server running on port 25566"

// Stop
/pendulum mcp stop

Configured in the mod settings (Jupiter config GUI): enable/disable auto-start, change port.