REGON (Polish business register) vs MCP Graphql

In-depth architectural comparison of the REGON (Polish business register) and MCP Graphql 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 REGON (Polish business register) 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 REGON (Polish business register) Details

Choose MCP Graphql 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: introspect-schema, query-graphql.

Explore MCP Graphql Details

Feature & Specification Comparison

Specification	REGON (Polish business register) Developer Tools	MCP Graphql blurrah Developer Tools
Summary	Look up Polish businesses in the GUS REGON register (BIR1) by NIP, REGON, or KRS.	Model Context Protocol server for GraphQL
Category & Scope	Developer Tools	Developer Tools

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": {
    "regon-polish-business-register": {
      "command": "uvx",
      "args": [
        "--from",
        "git+https://github.com/SmartMobileHouse/regon-mcp",
        "regon-mcp"
      ]
    }
  }
}

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

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