ARES (Czech business registry) vs Common Paper

In-depth architectural comparison of the ARES (Czech business registry) and Common Paper 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 ARES (Czech business registry) when:

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

Explore ARES (Czech business registry) Details

Choose Common Paper when:

• You need dedicated capabilities in the Legal domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: Agreement search and counting, Drafting and lifecycle management, Template creation and updates.

Explore Common Paper Details

Feature & Specification Comparison

Specification	ARES (Czech business registry) Legal	Common Paper Legal
Summary	MCP for ARES, the Czech business registry: lookup, due diligence, insolvency, signed provenance	Create, send, negotiate, sign, and track contracts with Common Paper.
Category & Scope	Legal	Legal
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": {
    "ares-czech-business-registry": {
      "command": "npx",
      "args": [
        "-y",
        "form"
      ]
    }
  }
}

{
  "mcpServers": {
    "common-paper-2": {
      "url": "https://api.commonpaper.com/mcp"
    }
  }
}

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