JMRI MCP Server: Install & Setup

Install JMRI in Claude Code

Claude Code

curl -LO https://github.com/HO44-PROJECT/MrJ-JMRI-MCP/releases/download/v1.0.0rc4/jmri-mcp-1.0.0rc4.mcpb

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

Download jmri-mcp-1.0.0rc4.mcpb and double-click it to install in Claude Desktop.

MCP Bundles install in one click in Claude Desktop. Download the file, then open it.

Frequently asked questions

What does the JMRI MCP server do?

JMRI voice/chat control for DCC model railroads

Is the JMRI MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does JMRI run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add JMRI to Claude Code?

Run: curl -LO https://github.com/HO44-PROJECT/MrJ-JMRI-MCP/releases/download/v1.0.0rc4/jmri-mcp-1.0.0rc4.mcpb

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