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gm

v0.4.0

System-agnostic, persona-driven solo RPG game master.

Claude Code1 Skill

By Mario Guerrieri0 GitHub starsUpdated 2 hours ago

Directory evidence

Runtimes
Claude Code
Parsed components
1 skill or MCP entry
Source updated
Aug 30, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install gm for Claude Code

Installs for the current user
claude plugin marketplace add IchenDEV/agent-plugin-mkt
claude plugin marketplace update agent-plugin-marketplace
claude plugin install gm@agent-plugin-marketplace

Paste and run these commands in a terminal with Claude Code. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/maguerrieri/claude-toolbox

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is plugins/gm/.

Plugin files

plugins/gm/
├── .claude-plugin/plugin.json
└── skills/gm/SKILL.md

Included Skills1

gmskills/gm/SKILL.md

Use when running or playing a solo tabletop RPG — being the game master for a campaign, starting or continuing a session, consulting an oracle, or managing campaign state. Runs a system-agnostic GM loop with true dice and durable markdown saves.

Plugin manifests1

plugins/gm/.claude-plugin/plugin.json
{
  "name": "gm",
  "description": "System-agnostic, persona-driven solo RPG game master.",
  "version": "0.4.0",
  "author": {
    "name": "Mario Guerrieri"
  }
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[gm on Agent Plugins Marketplace](https://pluginsmp.com/plugins/gm)