An agent can connect on its own if it already holds X_API_KEY, X_API_KEY.Remote endpoint behind a static API key or header. The registry never sees the value; the agent fills the placeholder.
Applies the regime's rules to an itinerary and returns one line per allowance, deduction and night, each with
the rule it applied, plus totals.
- de-bmf: >8 h one-day trips (last place of work), partial arrival/departure days, full days at the place reached
before midnight, higher rate on a home stop-over day, 20 %/40 % meal deductions of that day's full-day rate
(never below 0), Übernachtungspauschale per night. The three-month rule is not applied.
- us-gsa: 75 % M&IE on first and last day, M&IE of the lodging location, last day at the last TDY location, 75 % for
12-24 h trips without lodging, full meal-amount deductions with an incidentals floor, max lodging per night by season.
- uk-hmrc: 24-hour periods from arrival abroad, over-5/over-10-hour rates for the remainder, room rate per night,
provided meals deducted at the HMRC meal rate of the location at 08:00 / 13:00 / 19:00 that day.
after · 88% of words in common
Applies the regime's rules to an itinerary and returns one line per allowance, deduction and night, each with
the rule it applied, plus totals.
- de-bmf: >8 h one-day trips (last place of work), partial arrival/departure days, full days at the place reached
before midnight, higher rate on a home stop-over day, 20 %/40 % meal deductions of that day's full-day rate
(never below 0), Übernachtungspauschale per night. The three-month rule is not applied.
- us-gsa: 75 % M&IE on first and last day, M&IE of the lodging location, last day at the last TDY location, 75 % for
12-24 h trips without lodging, full meal-amount deductions with an incidentals floor, max lodging per night by season.
- us-state: the same FTR rules as us-gsa with State Dept foreign rates per post (country 'Other' and 'Other Foreign
Localities' fallbacks) and the FTR Appendix B meal amounts.
- uk-hmrc: 24-hour periods from arrival abroad, over-5/over-10-hour rates for the remainder, room rate per night,
provided meals deducted at the HMRC meal rate of the location at 08:00 / 13:00 / 19:00 that day.
Applies the regime's rules to an itinerary and returns one line per allowance, deduction and night, each with
the rule it applied, plus totals.
- de-bmf: >8 h one-day trips (last place of work), partial arrival/departure days, full days at the place reached
before midnight, higher rate on a home stop-over day, 20 %/40 % meal deductions of that day's full-day rate
(never below 0), Übernachtungspauschale per night. The three-month rule is not applied.
- us-gsa: 75 % M&IE on first and last day, M&IE of the lodging location, last day at the last TDY location, 75 % for
12-24 h trips without lodging, full meal-amount deductions with an incidentals floor, max lodging per night by season.
- us-state: the same FTR rules as us-gsa with State Dept foreign rates per post (country 'Other' and 'Other Foreign
Localities' fallbacks) and the FTR Appendix B meal amounts.
- uk-hmrc: 24-hour periods from arrival abroad, over-5/over-10-hour rates for the remainder, room rate per night,
provided meals deducted at the HMRC meal rate of the location at 08:00 / 13:00 / 19:00 that day.
get_per_diem_ratesread-only
Returns the lodging and meal allowance for one location under one regime, with the regime's breakdown
(BMF meal deductions, GSA M&IE breakdown and seasons, HMRC meal/room rates), fallbacks applied, source citation
and data freshness. us-gsa picks the fiscal year by date (FY2026: 2025-10-01..2026-09-30, FY2027: 2026-10-01..2027-09-30).
list_per_diem_regimesread-only
Lists the available regimes with validity periods, snapshot dates, sources and the rules the trip calculator
applies, plus regimes that are planned but not yet available.
search_per_diem_locationsread-only
Lists the locations with their own rate in a regime (us-gsa: current fiscal-year destinations), filtered by text,
country or state. Use the returned country/city/state values in /rates and /trip.
Net pay to the cent, every deduction and the employer's cost for Germany and the UK, computed with…
Official server.json
{
"name": "com.syntropicapi/travel-per-diem",
"title": "Travel Per Diem & Allowance Calculator",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"remotes": [
{
"url": "https://syntropicapi.com/mcp/travel-per-diem/mcp",
"type": "streamable-http",
"headers": [
{
"name": "X-API-Key",
"isSecret": true,
"isRequired": true,
"description": "API key from https://syntropicapi.com/pricing"
}
]
}
],
"version": "1.0.0",
"websiteUrl": "https://syntropicapi.com/apis/travel-per-diem",
"description": "Compliant per diems in one call: official US GSA, German BMF and UK HMRC rates, with a trip…"
}
protogrid