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mcp/harbor
Verified official

TapTax MCP

v1.0.0

uk.co.taptax/taptax

UK self-employed tax: tax so far, receipts, mileage, invoices and Making Tax Digital updates.

transport:streamable-http tools:15
Website

Target client

run in your project directory 

claude mcp add --transport http taptax https://api.taptax.co.uk/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

estimate_self_employed_tax

estimate self employed tax

check_tax_code Read-only

check tax code

check_mtd_status Read-only

check mtd status

get_mtd_deadlines Read-only

get mtd deadlines

get_tax_position Read-only

get tax position

list_transactions Read-only

list transactions

get_mileage_summary Read-only

get mileage summary

add_transaction Mutating

add transaction

update_transaction Mutating

update transaction

log_mileage_trip

log mileage trip

list_invoices Read-only

list invoices

create_invoice Mutating

create invoice

send_invoice Mutating

send invoice

mark_invoice_paid

mark invoice paid

prepare_quarterly_update

prepare quarterly update

All 15 tools, one page each

1 resource you attach as context

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.