Sourced, date-aware UK tax and payroll rates, deadlines and UK business checks, with GOV.UK sources.
Connect Remote server
claude mcp add --transport http ukrules-mcp https://ukrules.dailylifeelevation.workers.dev/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
{
"mcpServers": {
"ukrules-mcp": {
"url": "https://ukrules.dailylifeelevation.workers.dev/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
{
"servers": {
"ukrules-mcp": {
"type": "http",
"url": "https://ukrules.dailylifeelevation.workers.dev/mcp",
"headers": {
"Authorization": "Bearer <YOUR_API_KEY>"
}
}
}
}
Settings > Connectors > Add custom connector
URL: https://ukrules.dailylifeelevation.workers.dev/mcp
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools 8 found in our last check
list_topicsList rule topics (e.g. income_tax, vat) with the number of rules in each.
get_rateGet the UK rate/threshold in force for a key on a date (default today, Europe/London). Returns value, unit, effective dates and source. Paid: $0.005 USD per call via x402, or use an API key (see /pricing).
search_rulesFree. Finds rule keys. Use get_rate (paid) to get the value in force on a date.
get_rate_historyGet every version of a rule, ordered by applies_from. Paid: $0.005 USD per call via x402, or use an API key (see /pricing).
list_deadlinesList UK tax/payroll deadlines. Fixed-date deadlines get the next due date on or after from_date (default today, Europe/London) and are filtered to to_date; deadlines that depend on your own period (e.g. VAT, Corporation Tax, Companies House) follow with next_due null and a plain…
search_uk_companySearch Companies House for UK companies by name. Free. Returns up to 10 matches (name, company number, status, incorporation date) so you can pick the right company_number for check_uk_business.
check_uk_businessSourced check of a UK company from Companies House: status, type, incorporation date, registered office, SIC codes, filing health (accounts and confirmation statement overdue and by how many days, plus the GOV.UK late filing penalty band if accounts are overdue), insolvency and…
calculate_employer_niPaid. Calculates employer Class 1 National Insurance for one or more annual salaries on a date using UK Rules data. Use this instead of doing the maths yourself. Paid: $0.005 USD per call via x402, or use an API key (see /pricing).
Headers
| Name | Description |
|---|---|
AuthorizationOptional, secret | Optional. 'Bearer <API key>' from /pricing. Without it, free tools work and paid tools ask for an x402 payment. |
Details
| Endpoint | https://ukrules.dailylifeelevation.workers.dev/mcp (Streamable HTTP) |
| First published | 14 Oct 2026 |
| Last updated | 14 Oct 2026 |
| Registry name | io.github.dailylifeelevation-ai/ukrules-mcp |
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