MCP Server
openwein.de — deutsche Weingüter und Weinfeste
de.openwein/mcp
What this MCP does
Provides searchable, read-only information on German wineries, wine regions, vineyard sites, wine towns, wine terminology, vintages and upcoming wine events.
Capabilities
Tools
12
tools
get_glossary
Weinglossar
German wine terms explained, with their regional variants. Useful because the same institution carries different names by region: the seasonal tavern a winery runs itself is a Straußwirtschaft on the Mosel and in the Palatinate, a Besenwirtschaft in Württemberg and a Hecken- or Häckerwirtschaft in Franconia — and none of them is the same as a Gutsausschank, which may open all year. Omit the term to list all entries.
Input schema
{'type': 'object', 'properties': {'term': {'type': 'string', 'description': 'Term, alias or a synonym, e.g. "Besen".'}, 'category': {'type': 'string', 'description': 'Restrict the listing to one category.'}}, 'additionalProperties': False}
get_lage
Weinlage im Detail
One Einzellage in full: Bereich, Großlage, planted area, the official vineyard number, the municipalities it spans, and the wineries of its town. It is NOT known which wineries actually farm vines in a given Lage — no public register holds that — so the wineries listed are those located in the town, and the answer says so.
Input schema
{'type': 'object', 'properties': {'url': {'type': 'string', 'description': 'Alternatively its openwein.de URL or path.'}, 'lage': {'type': 'string', 'description': 'Lage alias from search_lagen.'}, 'region': {'type': 'string', 'description': 'Region alias.'}}, 'additionalProperties': False}
get_region
Anbaugebiet im Detail
Full description of one wine region: its history, grape varieties and terroir, plus its wine towns and upcoming events.
Input schema
{'type': 'object', 'required': ['region'], 'properties': {'region': {'type': 'string', 'description': 'Region alias, e.g. "rheinhessen", "mosel-saar-ruwer", "ahr". Use list_regions to see all.'}}, 'additionalProperties': False}
get_town
Weinort im Detail
One wine town in full: its description and wine history, every winery listed there, its upcoming events and the neighbouring wine towns.
Input schema
{'type': 'object', 'properties': {'id': {'type': 'integer', 'description': 'Alternatively the town id.'}, 'town': {'type': 'string', 'description': 'Town alias, e.g. "mainz-ebersheim".'}, 'region': {'type': 'string', 'description': 'Region alias.'}}, 'additionalProperties': False}
get_vintage
Weinjahrgang
What the weather did in one growing season, per wine region: mean temperature, sunshine hours and rainfall from April to October, compared with the 1991-2020 normal, plus the harvest volume where published. Measured data of the German Weather Service, for some regions back to 1881. IMPORTANT: these are measurements, not a verdict. A warm year is not a good year — what ends up in the glass depends on site, grape and winemaker. Do not present the numbers as a quality rating. Omit the year to get the whole series for a region.
Input schema
{'type': 'object', 'properties': {'from': {'type': 'integer', 'description': 'Earliest year when returning a series.'}, 'year': {'type': 'integer', 'description': 'Vintage year. Omitted: the whole series.'}, 'region': {'type': 'string', 'description': 'Region alias.'}}, 'additionalProperties': False}
get_winery
Weingut im Detail
Everything held about one winery: address, contact, opening hours, average rating, recent visitor comments, its upcoming events, the Einzellagen it names on its own website (which is not the same as the Lagen it farms — that is not publicly recorded), and a portrait assembled from its own website (hectares, grape varieties, organic farming, founding year) where that page could be read.
Input schema
{'type': 'object', 'properties': {'id': {'type': 'integer', 'description': 'Winery id from search_wineries.'}, 'url': {'type': 'string', 'description': 'Alternatively its openwein.de URL or path, e.g. "/rheinhessen/mainz-ebersheim/weingut-eva-vollmer".'}}, 'additionalProperties': False}
list_events
Weinfeste und Termine
Upcoming German wine events — Weinfeste, Hoffeste, Weinproben, Weinwanderungen — across all regions, or filtered by region, town or a radius around a point. Every event carries the source it was verified against and a link to its own page; the result also names the human-readable calendar page for the same selection, which is the thing to hand a person rather than retelling a list that changes daily.
Input schema
{'type': 'object', 'properties': {'to': {'type': 'string', 'description': 'Latest date, YYYY-MM-DD. Defaults to one year out.'}, 'lat': {'type': 'number', 'description': 'Latitude for a radius search.'}, 'lng': {'type': 'number', 'description': 'Longitude for a radius search.'}, 'from': {'type': 'string', 'description': 'Earliest date, YYYY-MM-DD. Defaults to today.'}, 'town': {'type': 'string', 'description': 'Town name or alias to restrict to.'}, 'limit': {'type': 'integer', 'description': 'Max results, 1-100. Default 40.'}, 'region': {'type': 'string', 'description': 'Region alias to restrict to.'}, 'radius_km': {'type': 'number', 'description': 'Radius in km around lat/lng. Default 25.'}}, 'additionalProperties': False}
list_regions
Deutsche Weinanbaugebiete
Lists all 13 German wine regions (Anbaugebiete) with their character, the number of wine towns and wineries in each, and how many events are coming up. Start here when the question is about German wine regions in general.
Input schema
{'type': 'object', 'additionalProperties': False}
search
Freitextsuche
Free-text search across the whole directory — winery names, owners, towns and description texts. Use this for open questions where the exact name is unknown ("a winery near the Mosel with rooms", "Riesling from steep slopes"). For a known town or a radius around coordinates, search_wineries is more precise.
Input schema
{'type': 'object', 'required': ['query'], 'properties': {'limit': {'type': 'integer', 'description': 'Max results, 1-50. Default 20.'}, 'query': {'type': 'string', 'description': 'What to look for, in German or English.'}, 'region': {'type': 'string', 'description': 'Region alias to restrict to.'}, 'has_caravan': {'type': 'boolean', 'description': 'Only wineries with a camper van pitch.'}, 'has_lodging': {'type': 'boolean', 'description': 'Only wineries offering accommodation.'}, 'serves_food': {'type': 'boolean', 'description': 'Only wineries that serve food.'}}, 'additionalProperties': False}
search_lagen
Weinlagen suchen
Search the 1.646 registered German Einzellagen (single vineyard sites) by name, town or region. The Einzellage is the smallest origin unit in German wine law and the name that appears on the label after the town ("Forster Ungeheuer", "Wehlener Sonnenuhr"). For the six regions of Rhineland-Palatinate the data is the official register of the Chamber of Agriculture and carries the vineyard number, Bereich, Großlage, planted area and the legal boundary; the Rheingau is currently sourced from Wikipedia and has no boundary. Note that a Lage name says where a wine grew, not how good it is. Where a winery names a Lage on its own website, get_lage returns that winery with the sentence it appeared in.
Input schema
{'type': 'object', 'properties': {'town': {'type': 'string', 'description': 'Town name or alias, e.g. "Kallstadt".'}, 'limit': {'type': 'integer', 'description': 'Max results, 1-100. Default 25.'}, 'query': {'type': 'string', 'description': 'Free text matched against the Lage name.'}, 'region': {'type': 'string', 'description': 'Region alias to restrict to.'}, 'grosslage': {'type': 'string', 'description': 'Restrict to one Großlage.'}}, 'additionalProperties': False}
search_towns
Weinorte suchen
Find German wine towns by name, region, postal code or around a point. Each town carries a description of its wine history and character, and the number of wineries listed there.
Input schema
{'type': 'object', 'properties': {'lat': {'type': 'number'}, 'lng': {'type': 'number'}, 'plz': {'type': 'string', 'description': 'German postal code.'}, 'limit': {'type': 'integer', 'description': 'Max results, 1-50. Default 20.'}, 'query': {'type': 'string', 'description': 'Town name, full or partial.'}, 'region': {'type': 'string', 'description': 'Region alias to restrict to.'}, 'radius_km': {'type': 'number', 'description': 'Radius in km around lat/lng. Default 20.'}}, 'additionalProperties': False}
search_wineries
Weingüter suchen
Search ~5.900 German wineries by name, town, postal code or region, or geographically around a point. Filters for wineries that serve food (Straußwirtschaft, Gutsausschank), offer accommodation, or have a place for a camper van. Two further filters come from what a winery writes on its own website — grape variety and organic farming — and those two are deliberately incomplete: only about half of all wineries have a website that says so. Absence there is not evidence of absence. Returns contact details, address and coordinates.
Input schema
{'type': 'object', 'properties': {'lat': {'type': 'number', 'description': 'Latitude for a radius search.'}, 'lng': {'type': 'number', 'description': 'Longitude for a radius search.'}, 'plz': {'type': 'string', 'description': 'German postal code.'}, 'town': {'type': 'string', 'description': 'Town name or alias, e.g. "Nierstein".'}, 'limit': {'type': 'integer', 'description': 'Max results, 1-50. Default 20.'}, 'query': {'type': 'string', 'description': 'Free text matched against winery name, owner and second name.'}, 'region': {'type': 'string', 'description': 'Region alias to restrict to.'}, 'organic': {'type': 'boolean', 'description': 'Only wineries that STATE organic farming on their own website. Not a certification check — same caveat as grape_variety.'}, 'radius_km': {'type': 'number', 'description': 'Radius in km around lat/lng. Default 10.'}, 'has_caravan': {'type': 'boolean', 'description': 'Only wineries with a camper van pitch.'}, 'has_lodging': {'type': 'boolean', 'description': 'Only wineries offering accommodation.'}, 'serves_food': {'type': 'boolean', 'description': 'Only wineries with a Straußwirtschaft, Gutsausschank or restaurant.'}, 'grape_variety': {'type': 'string', 'description': 'Only wineries that NAME this grape variety on their own website, e.g. "Riesling". This is not a complete list of who grows it: a winery without a website, or one that does not list its varieties, is missing here.'}}, 'additionalProperties': False}
History
Recent tool changes
Added
get_town
Sept. 17, 2026, 12:39 p.m.
Added
get_glossary
Sept. 17, 2026, 12:39 p.m.
Added
get_vintage
Sept. 17, 2026, 12:39 p.m.
Added
get_lage
Sept. 17, 2026, 12:39 p.m.
Added
search_lagen
Sept. 17, 2026, 12:39 p.m.
Added
search
Sept. 17, 2026, 12:39 p.m.
Added
search_towns
Sept. 17, 2026, 12:39 p.m.
Added
list_events
Sept. 17, 2026, 12:39 p.m.
Added
get_winery
Sept. 17, 2026, 12:39 p.m.
Added
search_wineries
Sept. 17, 2026, 12:39 p.m.
Added
get_region
Sept. 17, 2026, 12:39 p.m.
Added
list_regions
Sept. 17, 2026, 12:39 p.m.
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