MRR Ledger MCP Server: Install & Setup

Install MRR Ledger in Claude Code

Claude Code

claude mcp add --transport http mrr-ledger https://mrrledger.com/mcp

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

{
  "mcpServers": {
    "mrr-ledger": {
      "url": "https://mrrledger.com/mcp"
    }
  }
}

Free, no key: sourced, dated revenue of real AI-agent businesses. Start with search_businesses.

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

Remote. Hosted by the provider. You connect with a URL, nothing to install.

Run: claude mcp add --transport http mrr-ledger https://mrrledger.com/mcp

ai.msza/polish-catholic-sermons

Search public Polish Catholic sermons, transcripts, Scripture, prayers, churches and daily content.

com.mozilladatacollective/datasets

Search the Mozilla Data Collective catalog of ethically sourced AI training datasets.

com.mtgbench/mtgbench

Magic: The Gathering card search, rules, rulings, deck analysis, brackets, and combo detection.

com.offerlaneauto/motor-row

Search used cars for sale from Indianapolis dealers: search_cars, get_car, site_info. No auth.

si.mttr/mttr

Reads a site as search engines and AI assistants do, ranks its fixes, and checks them live.

motomarks/motomarks-mcp

Car logo API and image CDN: search automotive brands, fetch brand data, and build logo CDN URLs.