Summary
Connects Claude or ChatGPT to Untap's UK consumer refund engine via OAuth 2.1. Exposes six tools: add train journeys for Delay Repay checks against National Rail HSP, add flights for UK261/EU261 compensation lookups via AeroDataBox, add TfL contactless batches to detect overcharges and missed Hopper fares, add parking fines for appeal-ground analysis, list all claimable refunds, and delete user data. Each verdict includes a deeplink to the operator's claim form. Reach for this if you're in the UK and want your assistant to spot money you're owed from delayed trains, disrupted flights, botched Oyster taps, or dodgy parking tickets without surrendering bank credentials.
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Public tool metadata for what this MCP can expose to an agent.
6 tools
add_train_journeyAdd a UK train booking to the user’s Untap account. One booking = one tool call. Pass every leg in the legs[] array (single = 1 leg, return = 2 legs in journey order). Untap auto-checks the National Rail Historical Service Performance records for each leg and returns the aggre...4 params
Add a UK train booking to the user’s Untap account. One booking = one tool call. Pass every leg in the legs[] array (single = 1 leg, return = 2 legs in journey order). Untap auto-checks the National Rail Historical Service Performance records for each leg and returns the aggre...
Parameters* required
booking_referencestringBooking reference if available, otherwise null.
legsarrayEvery leg of this booking. Single ticket = 1 leg. Return = 2 legs (outbound first, then return). Multi-stop bookings can have more legs in journey order. Untap runs Delay Repay eligibility per leg...
ticket_price_penceintegerTotal fare paid in pence for the whole booking. £62.00 = 6200.
ticket_typestringTicket type as printed. "return" or "open_return" trigger half-fare-per-leg compensation; everything else uses the full ticket as the single-fare basis.one of
single · return · open_return · advance · anytime · off_peakadd_flightAdd a flight to the user’s Untap account. Untap auto-checks the AeroDataBox flight-status records (for past flights) and returns the UK261/EU261 verdict + refund amount + claim link. Call this whenever a user shares a flight booking or confirmation. You do NOT need to ask the...12 params
Add a flight to the user’s Untap account. Untap auto-checks the AeroDataBox flight-status records (for past flights) and returns the UK261/EU261 verdict + refund amount + claim link. Call this whenever a user shares a flight booking or confirmation. You do NOT need to ask the...
Parameters* required
actual_arrivalstringOPTIONAL. Actual arrival as ISO 8601 datetime, if the user told you. Otherwise leave undefined.
airline_iatastringTwo-letter IATA airline code, e.g. "BA" for British Airways, "U2" for easyJet.
arrival_iatastringThree-letter IATA arrival airport code, e.g. "BCN".
booking_referencestringPNR / airline booking reference if available, otherwise null.
delay_minutesvalueOPTIONAL. Delay duration in minutes, if the user told you.
departure_iatastringThree-letter IATA departure airport code, e.g. "LHR".
flight_numberstringFlight number including the airline prefix, e.g. "BA2551".
passenger_namestringPassenger name as printed on the ticket, or null if not visible.
scheduled_arrivalstringScheduled arrival as ISO 8601 datetime.
scheduled_departurestringScheduled departure as ISO 8601 datetime.
statusvalueOPTIONAL. Pass only if the user explicitly told you what happened. Otherwise leave undefined and Untap will look up the flight via AeroDataBox.
ticket_price_penceintegerTotal fare paid in pence.
add_tfl_journeysAdd a batch of TfL contactless journeys to Untap. The user typically pastes their TfL statement; extract every journey row into the journeys array. Untap immediately runs overcharge / incomplete-journey / missed-Hopper detection on the full set and returns a claim-ready summar...4 params
Add a batch of TfL contactless journeys to Untap. The user typically pastes their TfL statement; extract every journey row into the journeys array. Untap immediately runs overcharge / incomplete-journey / missed-Hopper detection on the full set and returns a claim-ready summar...
Parameters* required
card_last4stringLast 4 digits of the contactless card, if shown.
journeysarrayEvery journey on the statement. Up to 500 per call.
period_endstringStatement period end date YYYY-MM-DD.
period_startstringStatement period start date YYYY-MM-DD.
add_parking_fineAdd a UK parking charge notice to Untap. Untap then runs the appeal-grounds engine and returns the strongest plausible grounds plus claim steps. Read every field from the notice itself (front and back). Pay particular attention to: issuer_type (council vs private parking opera...17 params
Add a UK parking charge notice to Untap. Untap then runs the appeal-grounds engine and returns the strongest plausible grounds plus claim steps. Read every field from the notice itself (front and back). Pay particular attention to: issuer_type (council vs private parking opera...
Parameters* required
amount_penceintegerFull charge amount in pence. £65 = 6500.
appeal_urlvalueDirect https URL on the notice for online appeals, or null if none.
contravention_codestringCouncil contravention code, e.g. "01", "12", "MR11". Null for private tickets.
contravention_datestringDate the contravention allegedly occurred, ISO 8601 date.
contravention_descriptionstringFull text of the alleged contravention as printed on the notice.
discount_deadlinestringISO date by which the discount applies, or null if not stated.
discounted_amount_pencevalueReduced amount in pence if paid promptly (usually 50% within 14 or 21 days). Null if none stated.
full_deadlinestringISO date by which the full amount must be paid or appeal lodged.
has_windscreen_noticebooleanTrue if a paper notice was placed on the windscreen. False if it arrived in the post only.
issued_datestringDate the notice was issued or served, ISO 8601 date.
issuer_namestringIssuer name as written, e.g. "London Borough of Camden" or "ParkingEye Ltd".
issuer_typestringCouncil = local authority issued under TMA 2004. Private = on private land by a parking operator (BPA or IPC member).one of
council · privatekeeper_notice_served_datestringPrivate only: date the Notice to Keeper was served.
locationstringStreet or car park name where the contravention allegedly occurred.
observed_notesarrayShort phrases supporting grounds of appeal, drawn from the notice or the user’s description.
pcn_referencestringPCN or notice reference number printed on the document.
vehicle_registrationstringVehicle registration mark, or null if not shown.
list_savingsRead claimable/pending/historic savings rows for the signed-in user. Filter by category and status. Use this when the user asks "what am I owed", "show my refunds", or wants to track a previously added entry.3 params
Read claimable/pending/historic savings rows for the signed-in user. Filter by category and status. Use this when the user asks "what am I owed", "show my refunds", or wants to track a previously added entry.
Parameters* required
categoryvalueRestrict to a single category, or null for all categories.
limitintegerMaximum number of savings rows to return. Defaults to 25, capped at 100.default: 25
statusvalueRestrict to a single status, or null for all.
delete_my_dataTwo-step destructive action. First call (confirm=false): returns a summary of what will be deleted plus a confirmation_token (valid 5 minutes). Second call: pass confirm=true and the same confirmation_token to actually delete every booking, statement, and claim. The user’s acc...2 params
Two-step destructive action. First call (confirm=false): returns a summary of what will be deleted plus a confirmation_token (valid 5 minutes). Second call: pass confirm=true and the same confirmation_token to actually delete every booking, statement, and claim. The user’s acc...
Parameters* required
confirmbooleanMust be true on the second call. The first call returns a confirmation_token; pass it back with confirm=true to actually delete.default: false
confirmation_tokenstringThe confirmation_token returned by the first call. Required when confirm is true.
Untap for AI assistants
Check whether you are owed money for a delayed train, a disrupted flight, a TfL overcharge or a UK parking ticket, and get the operator's own claim link.
Untap checks UK refunds and compensation from delayed trains, disrupted flights, TfL journey charges and parking notices. Public checks return the applicable rules, amount, deadline and claim guidance. Sign in to save claims, track progress and check saved train commutes for dates you request. You submit claims directly to the operator or airline. Untap never files a claim for you.
Every package here is a thin wrapper around the same hosted MCP server, plus Untap's skills:
https://untap.money/api/mcp
Tools live on the server, so they update in every assistant without a new package. Version 1.3.2.
Install
Claude Code
/plugin marketplace add aneduaim/untap-mcp
/plugin install untap@untap
Claude (web, desktop and Cowork): go to Customize, Plugins, Add, Add marketplace and paste https://github.com/aneduaim/untap-mcp. Install Untap, then connect it from the plugin's Connectors tab. You can also add https://untap.money/api/mcp as a custom connector.
ChatGPT and Codex: plugins/agent-plugins is an Agent Plugins 1.0.0 package, and .agents/plugins/marketplace.json lists it as a repo marketplace. In ChatGPT developer mode you can also add https://untap.money/api/mcp as a connector.
Cursor and Grok Bot: plugins/cursor is the Cursor plugin package, listed in .cursor-plugin/marketplace.json. You can also add https://untap.money/api/mcp in Cursor's MCP settings.
Gemini CLI: this repository is a Gemini CLI extension (gemini-extension.json and GEMINI.md at the root).
gemini extensions install https://github.com/aneduaim/untap-mcp
Account tools sign in with /mcp auth untap.
Any other MCP client: connect to https://untap.money/api/mcp over Streamable HTTP. Account tools sign you in through OAuth 2.1 with dynamic client registration; there are no API keys.
Setup guides for each assistant: untap.money/connect.
What is in this repository
| Path | Format | Read by |
|---|---|---|
plugins/claude/ | Claude plugin (.claude-plugin/plugin.json, .mcp.json) | claude.ai, Claude Desktop, Cowork, Claude Code |
plugins/cursor/ | Cursor plugin (.cursor-plugin/plugin.json, mcp.json) | Cursor, Grok Bot |
plugins/agent-plugins/ | Agent Plugins 1.0.0 (plugin.json, mcp.json) | ChatGPT, Codex and other Agent Plugins hosts |
.claude-plugin/marketplace.json | Claude Code marketplace | Claude Code, claude.ai |
.cursor-plugin/marketplace.json | Cursor marketplace | Cursor |
.agents/plugins/marketplace.json | Agent Plugins repo marketplace | Codex, ChatGPT desktop |
gemini-extension.json, GEMINI.md | Gemini CLI extension manifest and context file | Gemini CLI, geminicli.com/extensions |
server.json | Official MCP Registry entry | registry.modelcontextprotocol.io |
smithery.yaml | Smithery listing | smithery.ai |
data/ | UK claims rules dataset (JSON, CSV and change log), CC BY 4.0, a copy of https://untap.money/open-data/rules | anyone |
These files are generated from one source in Untap's main repository. Please open an issue rather than a pull request against a package.
Tools
| Tool | What it does | Sign-in |
|---|---|---|
find_money_owed | Find money you may be owed | No |
check_train_delay | Check a delayed train for Delay Repay | No |
check_flight_compensation | Check a flight for UK261 or EU261 compensation | No |
check_tfl_journeys | Check TfL journeys for overcharges | No |
get_delay_repay_rules | Delay Repay rules for a train operator | No |
get_claim_instructions | How to submit a train, flight or TfL claim | No |
scan_for_claims | Scan emails for train, flight and TfL claims | No |
save_commute | Save a usual train journey | Yes |
list_commutes | List saved commutes | Yes |
check_commute | Check a saved commute for a travel date | Yes |
stop_commute | Stop a saved commute | Yes |
save_claim | Save a checked claim to your Untap account | Yes |
list_my_claims | List my claims | Yes |
update_claim_status | Update a claim’s status | Yes |
add_train_journey | Add a train booking | Yes |
add_flight | Add a flight | Yes |
add_tfl_journeys | Add TfL journeys from a contactless statement | Yes |
add_parking_fine | Add a parking ticket (PCN) | Yes |
list_savings | List the person’s refund opportunities | Yes |
delete_my_data | Delete all my Untap data | Yes |
This table was generated from the server's source for version 1.3.2. The live list is always the server's own tools/list at https://untap.money/api/mcp. 7 of 20 tools work without signing in.
Skills
- uk-travel-claims: Checks UK travel compensation and refunds with Untap: Delay Repay for late or cancelled trains, UK261 or EU261 flight delays, cancellations, denied boarding, TfL incomplete journeys, maximum fares.
- find-travel-refunds-in-inbox: Searches an inbox for UK train, flight and TfL refunds the person may be owed, then checks them with Untap. Use for find refunds, money I'm owed, check my emails for compensation, travel refunds.
The same skills can be downloaded on their own at untap.money/skills.
Privacy
When your assistant calls an Untap tool, Untap receives the inputs the assistant sends to that tool. It does not receive your conversation or other chats.
- Check tools work without signing in. They do not save your booking or result to an account. To verify a journey, Untap sends the stations, airports, flight number and date to National Rail or its flight-data provider. Technical usage records (tool name, outcome, duration) are kept; anonymous records contain no tool inputs.
- If you sign in and ask your assistant to save a claim, journey or commute, Untap stores those details in your account until you delete them. A saved commute is checked only when you ask.
- Revoke an assistant at untap.money/settings/connections. Delete your data at untap.money/data or with the two-step delete tool.
Full details: privacy policy.
Licence
The MIT licence covers the files in this repository: the manifests, the MCP configuration and the skills, which you are welcome to copy and share. It does not cover the Untap service at untap.money, which is used under its terms.
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