Power your AI assistant with comprehensive, accurate Dutch tax information
Open-source MCP server that gives AI assistants direct access to Dutch tax brackets, rates, calculations, and expert knowledge.
# Install from npm
npx @belastbaar/mcp-server --transport stdio
# Or run with HTTP transport
npx @belastbaar/mcp-server --transport http --port 3100MCP is an open protocol developed by Anthropic that standardizes how AI applications access external data and tools. It allows AI assistants like Claude to securely connect to your data sources.
Everything you need to build AI-powered Dutch tax applications
All Dutch tax brackets, rates, and thresholds for 2024 and 2025. Income tax, Box 2, Box 3, and more.
Curated guides on 30% ruling, ZZP deductions, toeslagen, and other complex Dutch tax topics.
Search knowledge, compare tax years, and look up specific rates with AI-callable functions.
Ready-to-use prompt templates for common tax scenarios like income calculation and ZZP optimization.
Compare data between 2024 and 2025 to understand tax changes and plan accordingly.
Full support for both Dutch and English, perfect for expat tax questions.
Read-only access to comprehensive Dutch tax data
How developers are using the Belastbaar MCP Server
Build conversational AI that can accurately answer questions about Dutch taxes, from simple rate lookups to complex scenarios.
Power chatbots with up-to-date Dutch tax information for financial services, HR platforms, and expat services.
Create intelligent tax planning applications that can compare scenarios and suggest optimizations.
Enable AI-assisted research on Dutch tax policy, year-over-year changes, and comparative analysis.
Get up and running in under 5 minutes
Install the MCP server globally or run it directly with npx.
npm install @belastbaar/mcp-serverAdd the server to your Claude Desktop or Cursor configuration.
// claude_desktop_config.json
{
"mcpServers": {
"belastbaar": {
"command": "npx",
"args": ["@belastbaar/mcp-server", "--transport", "stdio"]
}
}
}Your AI assistant now has access to comprehensive Dutch tax data.
// Example: Ask Claude about Dutch taxes
"What are the 2025 income tax brackets in the Netherlands?"
"Compare tax rates between 2024 and 2025"
"Am I eligible for the 30% ruling?"