Gives an AI assistant the UK income tax, National Insurance and student loan rules for 2025/26 and 2026/27, including the Scottish bands and the £100,000 allowance taper, with every rate copied from gov.uk and HMRC.
Hosted endpoint (Streamable HTTP, no sign-in, no token). Paste it into Claude.ai custom connectors or ChatGPT developer mode.
https://uk-income-tax-salary-mcp.lipmichal.workers.dev/mcp
Claude Code
claude mcp add --transport http uk-income-tax https://uk-income-tax-salary-mcp.lipmichal.workers.dev/mcp
Local (stdio)
npx -y github:theluckystrike/uk-income-tax-salary-mcp
calculate_uk_take_home | Net pay a year, month and week for 2025/26 or 2026/27: income tax by band (incl. Scotland), employee NI, student loans, pension, tax codes and the £100,000 taper. |
get_uk_tax_bands | Official bands, Personal Allowance taper, NI thresholds and student loan thresholds by tax year and region. |
compare_salaries | Up to 5 salaries side by side, with how much of each rise you keep. |
marginal_rate_at_income | The true marginal rate on the next pounds: tax, NI, student loan and the 60% allowance trap. |
Calculators for people: ukmoneycalc.com. Source: github.com/theluckystrike/uk-income-tax-salary-mcp.
Results are estimates, not tax advice. Part of the Zovo MCP collection: mcp.zovo.one.