UK Income Tax and Salary MCP Server

by theluckystrike Your server? Claim it

answering

UK Income Tax and Salary is answering right now. Last checked 14 min ago. It exposes 4 tools. Last commit 2 Nov 2026.

UK income tax and take-home pay 2025/26 and 2026/27: Scottish bands, NI, student loans, 60% trap.

Uptime history 13 days of history

13 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

222 ms

Response time

average over 24h

Stars

last commit 2 Nov 2026

Nothing serious here today

Today is the operative word: we check UK Income Tax and Salary every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 14 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add uk-income-tax-salary-mcp --transport http https://uk-income-tax-salary-mcp.lipmichal.workers.dev/mcp

Settings → Connectors → Add custom connector, then paste this address

https://uk-income-tax-salary-mcp.lipmichal.workers.dev/mcp

~/.codex/config.toml

[mcp_servers.uk-income-tax-salary-mcp]
url = "https://uk-income-tax-salary-mcp.lipmichal.workers.dev/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "uk-income-tax-salary-mcp": {
      "url": "https://uk-income-tax-salary-mcp.lipmichal.workers.dev/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "uk-income-tax-salary-mcp": {
      "type": "http",
      "url": "https://uk-income-tax-salary-mcp.lipmichal.workers.dev/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

calculate

calculate_uk_take_home

Calculates UK take-home pay for an employee in tax year 2025/26 or 2026/27 from HMRC's published rates: income tax by band (England, Wales and NI, or the six Scottish bands incl. the 2026/27 Scottish starter and basic bands), employee Class 1 National Insurance (8% / 2%), student loan repayments (Plan 1, 2, 4, 5 and Postgraduate, with 2026/27 thresholds), and pension by salary sacrifice or relief at source. Applies the Personal Allowance taper above £100,000 (£1 per £2, the 60% trap) and reads tax codes such as 1257L, S1257L, K475, BR and D0. Returns net pay a year, a month and a week. Figures copied from gov.uk and HMRC in Oct 2026.

compare

compare_salaries

Compares 1 to 5 UK gross salaries after income tax, National Insurance, student loan and pension for 2025/26 or 2026/27, with the same region, tax code and options for each. Shows net pay a year, month and week, effective and marginal rates, and how much of each pay rise you keep compared with the first salary. Shows when a rise lands in the £100,000 to £125,140 Personal Allowance taper (60% in England, 69.5% in Scotland in 2026/27 with NI). Uses HMRC 2025/26 and 2026/27 rates fetched in Oct 2026.

marginal

marginal_rate_at_income

Returns the true UK marginal rate on the next pounds of salary in 2025/26 or 2026/27: income tax band rate, employee NI and student loan together, plus the Personal Allowance taper between £100,000 and £125,140 that makes it 60% plus NI in England, Wales and NI and 67.5% plus NI in Scotland's advanced band. Handles salary sacrifice, relief at source, Scottish bands and tax codes. Measured as the change in deductions over the next `step` pounds (default £100). Rates from gov.uk and HMRC, fetched Oct 2026.

tax

get_uk_tax_bands

Returns the official UK income tax bands for 2025/26 or 2026/27, for England, Wales and Northern Ireland or for Scotland (starter 19%, basic 20%, intermediate 21%, higher 42%, advanced 45%, top 48%), both as taxable-income bands from HMRC's employer tables and as gross-salary bands with the standard £12,570 allowance. Also returns the £100,000 allowance taper, Class 1 NI thresholds and employee rates by category letter, and student loan thresholds for each plan. A figure that is not published is marked unannounced, never guessed. Copied from gov.uk and HMRC in Oct 2026.

Endpoints

URL	Transport	State	Latency	Checked
https://uk-income-tax-salary-mcp.lipmichal.workers.dev/mcp	streamable-http	answering	314 ms	14 min ago

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UK Income Tax and Salary — questions

Answers built from our own checks of this server.

What can UK Income Tax and Salary do?

It exposes 4 tools, read directly from the server on our last check. Among them: calculate_uk_take_home, compare_salaries, get_uk_tax_bands, marginal_rate_at_income. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is UK Income Tax and Salary working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 222 ms. The bar chart above shows every period we have measured.

How do I connect UK Income Tax and Salary?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does UK Income Tax and Salary need an API key?

No. UK Income Tax and Salary completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is UK Income Tax and Salary?

It answers our handshake in 222 ms on average, which is faster than 61% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is UK Income Tax and Salary open source?

The code is open source: it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at uk-income-tax-salary-mcp.lipmichal.workers.dev, which runs on its operator's own terms.