MaStR MCP Server vs MCP Krs

In-depth architectural comparison of the MaStR MCP Server and MCP Krs MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose MaStR MCP Server when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore MaStR MCP Server Details

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Choose MCP Krs when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: krs, rejestr.

Explore MCP Krs Details

Feature & Specification Comparison

Specification	MaStR MCP Server Developer Tools	M MCP Krs Developer Tools
Summary	MCP server for the German Marktstammdatenregister (MaStR) energy market register	MCP server for the Polish KRS company registry via the official Ministry of Justice API.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "mastr-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/inspector"
      ]
    }
  }
}

{
  "mcpServers": {
    "mcp-krs": {
      "command": "npx",
      "args": [
        "-y",
        "@matematicsolutions/mcp-krs"
      ]
    }
  }
}

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