A MCP server that provides RimWorld source code search and browsing capabilities.

1. Install dependencies:

bun install

2. Add this MCP server:

# Claude Code
claude mcp add --transport stdio rimworld-source -- bun run /path/to/this/repo

# Gemini CLI
gemini mcp add rimworld-source bun run /path/to/this/repo

Replace /path/to/this/repo with the actual path to this repository on your system.

3. Build Defs index

bun run index

Once configured, the server provides four tools:

• search_rimworld_source - Search through RimWorld source code
• read_rimworld_file - Read specific files with pagination
• list_directory - List directory contents with pagination
• get_def_details - Get resolved RimWorld Def data by defName
• search_defs - Search through RimWorld Defs

• Bun runtime
• Ripgrep

# Run production server
bun run start