Mainstreet MCP Server: Install & Setup

Install Mainstreet in Claude Code

MCP Bundle (.mcpb)

Claude Code

curl -LO https://github.com/gbrussich52/mainstreet-mcp/releases/download/v0.1.5/mainstreet-mcp.mcpb

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

Download mainstreet-mcp.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.

npm

Claude Code

claude mcp add mainstreet -- npx -y mainstreet-mcp

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

{
  "mcpServers": {
    "mainstreet": {
      "command": "npx",
      "args": [
        "-y",
        "mainstreet-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Mainstreet MCP server do?

Free small-business facts and stateless workflow review kits: quotes, invoices and order handoffs.

Is the Mainstreet 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 Mainstreet run locally or remotely?

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

How do I add Mainstreet to Claude Code?

Run: curl -LO https://github.com/gbrussich52/mainstreet-mcp/releases/download/v0.1.5/mainstreet-mcp.mcpb

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