MythxEngine
Tabletop RPG engine over MCP: dice, combat, stress, clocks, world generation, four bundled worlds
Install
registry version 0.3.0
npm
npx -y @mythxengine/mcp-servernpm
npx -y @mythxengine/mcp-server@0.3.0mcpb
https://github.com/protoLabsAI/mythx-mcp/releases/download/v0.3.0/mythxengine-0.3.0.mcpb
Setup by client
Pick your client — the config below is generated for this server (local stdio). Copy respects the “Pin version” switch above.
claude_desktop_config.json
{
"mcpServers": {
"mythxengine": {
"command": "npx",
"args": [
"-y",
"@mythxengine/mcp-server"
]
}
}
}{
"mcpServers": {
"mythxengine": {
"command": "npx",
"args": [
"-y",
"@mythxengine/mcp-server@0.3.0"
]
}
}
}Format verified against the official Claude Desktop docs ↗.
terminal
claude mcp add mythxengine -- npx -y @mythxengine/mcp-server
claude mcp add mythxengine -- npx -y @mythxengine/mcp-server@0.3.0
Format verified against the official Claude Code docs ↗.
.cursor/mcp.json
{
"mcpServers": {
"mythxengine": {
"command": "npx",
"args": [
"-y",
"@mythxengine/mcp-server"
]
}
}
}{
"mcpServers": {
"mythxengine": {
"command": "npx",
"args": [
"-y",
"@mythxengine/mcp-server@0.3.0"
]
}
}
}Format verified against the official Cursor docs ↗.
.vscode/mcp.json
{
"servers": {
"mythxengine": {
"command": "npx",
"args": [
"-y",
"@mythxengine/mcp-server"
]
}
}
}{
"servers": {
"mythxengine": {
"command": "npx",
"args": [
"-y",
"@mythxengine/mcp-server@0.3.0"
]
}
}
}Format verified against the official VS Code docs ↗.
mcp_config.json
{
"mcpServers": {
"mythxengine": {
"command": "npx",
"args": [
"-y",
"@mythxengine/mcp-server"
]
}
}
}{
"mcpServers": {
"mythxengine": {
"command": "npx",
"args": [
"-y",
"@mythxengine/mcp-server@0.3.0"
]
}
}
}Format verified against the official Windsurf docs ↗.
Environment variables
Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.
RPG_MCP_DATA_DIR— Where sessions and world packs are stored (default: ~/.mythxengine/data)
GitHub
⭐ 2 stars · 最近更新于 84 天前 · MIT license
About this server
MythxEngine — tabletop RPG engine over MCP A complete tabletop RPG engine your AI can run: deterministic dice, five tier outcomes, FitD style stress, combat tracking, situation clocks, investigations, NPC relationships, world generation — 134 tools over the Model Context Protocol, with four complete…
Summary from the project README — github.com/protoLabsAI/mythx-mcp
Distributed as npm, mcpb, listed under Developer Tools. Review our MCP security guide before granting access to real data.
Frequently asked questions
What does the MythxEngine MCP server do?
MythxEngine — tabletop RPG engine over MCP A complete tabletop RPG engine your AI can run: deterministic dice, five tier outcomes, FitD style stress, combat tracking, situation clocks, investigations, NPC relationships, world generation — 134 tools over the Model Context Protocol, with four complete
How do I install MythxEngine?
Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.
Is MythxEngine free to use?
The MCP server itself is free to install. The source is public on https://github.com/protoLabsAI/mythx-mcp. Any third-party service it calls may require its own API key and account.
Which clients support MythxEngine?
Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.
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Publish this server? Link back with a badge on your README or site — copy either snippet.
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