MCP Graphql vs Kontor MCP

In-depth architectural comparison of the MCP Graphql and Kontor MCP 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 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

Choose Kontor MCP 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).
• You have access to required keys: KONTOR_AUTH_TOKEN.
• Primary tools included: parse_invoice, validate_invoice, audit_invoice.

Explore Kontor MCP Details

Feature & Specification Comparison

Specification	MCP Graphql blurrah Developer Tools	Kontor MCP Developer Tools
Summary	Model Context Protocol server for GraphQL	Offline e-invoice tools for AI agents: validate, audit, convert and generate XRechnung/ZUGFeRD.
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": {
    "blurrah-mcp-graphql": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-graphql"
      ]
    }
  }
}

{
  "mcpServers": {
    "kontor-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@kontor-mcp/server"
      ],
      "env": {
        "KONTOR_AUTH_TOKEN": "YOUR_KONTOR_AUTH_TOKEN_HERE"
      }
    }
  }
}

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