For Claude · ChatGPT · any MCP-compatible assistant

Refunds inside your AI assistant.

Tell Claude or ChatGPT about a delayed train, a cancelled flight, a TfL statement or a parking ticket. Untap returns the verdict, the deadline and the operator submit link, all from chat.

Add to ClaudeSet up on ChatGPT

Sign in with Google. No API keys. Disconnect any time.

Inside Claude or ChatGPT
I had a 47-minute Avanti delay yesterday, Manchester to Euston, ticket cost £89. Add it to Untap and check if I’m owed money.

Added. You may be owed £44.50.

47-minute delay qualifies for 50% of the fare back under Avanti West Coast’s DR15 scheme.

Scheme
DR15
Deadline
23 May 2026
Submit on
avantiwestcoast.co.uk

One server URL works in every AI client. The first request opens a Google sign-in via Untap. You never paste a token.

https://untap.money/api/mcp

Anthropic

Claude

Works on claude.ai in the browser and on the Claude desktop app. The button below opens the add-connector dialog directly.

Open Claude connector dialog

  2. Open the connector dialog

    Click the button above. Lands you on claude.ai with the dialog already open.

  3. Paste the URL

    Name it Untap, paste https://untap.money/api/mcp, click Add.

  4. Sign in with Google

    Use the Google account you sign into Untap with. Approve the consent screen and you are connected.

OpenAI

ChatGPT

Plus, Pro, Team or Enterprise. ChatGPT requires Developer Mode for custom connectors today. We have applied to OpenAI’s Apps Directory for a one-tap listing; until that lands, the manual path is below.

  1. Enable Developer Mode

    In ChatGPT: Settings → Connectors → toggle Developer Mode on.

  2. Add a custom MCP connector

    Paste https://untap.money/api/mcp, name it Untap.

  3. Sign in with Google

    Same Google account you sign into Untap with. Approve the consent screen.
Read OpenAI’s Developer Mode guide

Using a different AI assistant?

Any client that speaks the Model Context Protocol over Streamable HTTP works the same way. Add https://untap.money/api/mcp as a remote server in your client’s settings, then complete the Google sign-in when prompted.

What you can do

Four UK refund categories. Same story in chat for each.

Train delays

Avanti, LNER, Northern, GWR and 19 other UK operators. Delay Repay from 15-minute thresholds.

Flight disruption

UK261 / EU261 compensation up to £520 per passenger for cancellations and 3-hour-plus delays.

TfL contactless

Paste a statement and Untap surfaces incomplete journeys, max-fare charges and missed Hopper fares.

Parking tickets

Council and private (BPA / IPC) PCNs. Suggested grounds based on the notice text.

Try a prompt

Once connected, paste any of these into your assistant.

I had a 47-minute Avanti delay yesterday, Manchester to Euston, ticket cost £89. Add it to Untap and check if I’m owed money.
Here’s my March TfL statement (paste it). Find any incomplete journeys or max-fare charges I can claim back.
My BA flight from Heathrow to Madrid was cancelled last week, ticket was £230. Check if I’m due UK261 compensation.
Show me what refunds I have pending across all my categories.

Privacy and control

No tokens to copy, no payment data exposed, disconnect any time.

OAuth-scoped

Your assistant connects through Google OAuth. It never sees your password or payment details.

Detection only

Untap surfaces the verdict and the operator submit link. We never file claims for you.

Revoke any time

Manage connected apps on your settings page.

Need an Untap account first?

Free, takes a Google sign-in.

Sign up