NL Tax Calculator
Dutch tax: net salary, full tax return, Box 3 and refunds, ZZP, mortgage, toeslagen, visa salary.
MCP server · by nltaxcalculator.nl
About
NL Tax Calculator is an MCP server published by nltaxcalculator.nl. Marketplaces we read that list it: 1 (Official MCP Registry). The last change we recorded was on 2026-10-18. As of our marketplace pass on 2026-10-23.
What it asks for
- Runs remotely
None of the marketplaces we read publishes its tools or the settings it asks for.
What it declares, asks for and runs, in full
Only install plugins from developers you trust. We list what marketplaces publish and do not test plugins.
Works with
- Claude Code
- Codex
- Cursor
- VS Code
- Copilot CLI
A one-click link opens the client, which asks you to confirm before it adds the server.
From the marketplaces that list it and the MCP transport it declares, as each client documents them. We do not test plugins.
Observed by Ext Ops
Observed by Ext Ops on 2026-10-23: what the endpoint itself answered when asked to list its tools. We never call the tools.
Tools: 13
Server: nl-tax-calculator 1.1.0 · MCP protocol version 2025-06-18
Tool metadata as listed on 2026-10-23: annotations on 13 of 13 tools · parameter descriptions on 84 of 84.
benefits_toeslagen_checkbox3_actual_return_estimatebox3_wealth_taxdutch_tax_changes_2027freelancer_tax_netherlandsgross_salary_for_target_netincome_tax_return_netherlandsjob_loss_plannermortgage_netherlandsnet_salary_netherlandstransfer_tax_netherlandsus_tax_for_americans_in_netherlands
Show the remaining 1
visa_salary_check
Its marketplaces publish no list of tools.
Connect
Commands and configs built only from what its marketplaces declare. We do not run them for you and do not test plugins.
As a remote MCP server
Built from what Official MCP Registry declares.
claude mcp add --transport http dutch-tax https://nltaxcalculator.nl/dutch-tax/api/mcp[mcp_servers.dutch-tax]
url = "https://nltaxcalculator.nl/dutch-tax/api/mcp"{
"mcpServers": {
"dutch-tax": {
"url": "https://nltaxcalculator.nl/dutch-tax/api/mcp"
}
}
}Where it is published
| Marketplace | Status | Version | Figures | Verified | First seen |
|---|---|---|---|---|---|
| Official MCP Registry (Open the registry record) | Listed | 1.1.0 | No figure published | Not marked |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
What changed
- Official MCP Registry: description changed
- Official MCP Registry: released version 1.1.0 (was 1.0.0)
- Became a product we track
- Official MCP Registry: appeared
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Found by meaning, not by shared code or a shared repository: similar plugins stay separate products, and this is not a review or a recommendation.
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