IRSCRAHMRC

Wire your AI to UK tax & VAT

A Model Context Protocol server grounded in HMRC's manuals, the Taxes Acts, and VAT Notices — citations included.

Connect endpoint
HMRC
What's the 2024/25 VAT registration threshold?
Question
HMRC
Answer

From 1 April 2024, the VAT registration threshold is £90,000

of taxable turnover in any rolling 12-month period.

Deregistration threshold is £88,000.

Source · VAT Notice 700/1 · HMRC

Connect any MCP client

Point any Model Context Protocol client at the URL below. Streamable HTTP, no auth.

StreamableHTTPTransportopen · public
https://tax-mcp.bookeeping.ai/mcp
claude.ai
  1. 1
    Open Claude.ai
    Sign in at claude.ai with the account you want connected.
  2. 2
    Settings → Connectors
    From your profile menu, open Settings and choose Connectors.
  3. 3
    Add custom connector
    Click ‘Add custom connectors’ at the bottom of the list.
  4. 4
    Give it a name
    Type 'Tax Compliance MCP'.
  5. 5
    Paste the MCP URL
    Paste the endpoint above into the URL field and save.
Open connector dialog

Verify information before use. Returned passages are research grounding, not legal or tax advice. Confirm with a qualified professional before relying on any answer.

What the model gets back

One tool, indexed against the authoritative sources for His Majesty's Revenue & Customs.

Taxes Acts lookup

Section-addressable retrieval across ITA, CTA, ITEPA, ITTOIA, TCGA, and VATA.

VAT notices & manuals

Public VAT Notices and the VAT Internal Manual, indexed and quotable.

HMRC manuals

Business Income, PAYE, Capital Gains, Employment Income — the full internal manual library.

Allowances & rates

Year-aware personal allowance, NIC bands, dividend allowance, and CGT rates.

Citations on every answer

Every retrieved passage returns its source document, section, and URL — auditable by default.

Streamable HTTP transport

Drop-in for Claude Desktop, Cursor, VS Code, or any MCP-aware client. No auth gate.

Indexed against the record

No invented citations. Every retrieved passage is anchored to one of these.

Acts

Taxes Acts

ITA, CTA, ITEPA, ITTOIA, TCGA, VATA — section-addressable.

VAT

VAT Notices

Public Notices governing VAT registration, returns, and schemes.

Manuals

HMRC Internal Manuals

Business Income, PAYE, CG, EIM, BIM and the rest of the manual library.

Forms

Forms & Guidance

Self Assessment, CT600, P11D, VAT100 — and gov.uk filing guidance.

Frequently asked

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