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S+ Money CIS Refund Calculator

uk.co.splusmoney/cis-refund-calculator · v1.1.0

Estimate a UK CIS construction subcontractor's tax refund for 2025-26 to 2027-28. Free, no sign-in.

Connect Remote server

Terminal
claude mcp add --transport http cis-refund-calculator https://mcp.splusmoney.co.uk/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "cis-refund-calculator": {
      "url": "https://mcp.splusmoney.co.uk/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "cis-refund-calculator": {
      "type": "http",
      "url": "https://mcp.splusmoney.co.uk/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://mcp.splusmoney.co.uk/mcp

Tools 2 found in our last check

  • estimate_cis_refund

    Estimate a UK CIS subcontractor's tax refund (or amount to pay) for tax year 2025-26, 2026-27 or 2027-28 (Budget 2026 rules for 2027-28). Takes the year's gross CIS income, the CIS deducted (the statement total, or the 20%/30% rate), allowable expenses (materials, tools, van mil…

  • get_cis_tax_rates

    List the UK rates a self-employed CIS subcontractor's tax bill uses for 2025-26, 2026-27 or 2027-28, each with its GOV.UK source: Personal Allowance and taper, income tax bands (England/Wales/NI or Scotland), Class 4 NIC limits and rates, the Class 2 position (treated as paid ab…

Details

Endpointhttps://mcp.splusmoney.co.uk/mcp (Streamable HTTP)
First published1 Nov 2026
Last updated1 Nov 2026
Registry nameuk.co.splusmoney/cis-refund-calculator

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