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MCP Server

StackData

io.stackdata/stackdata
Data & Analytics Legal & Compliance Public & reachable MCP 2026-07-28

What this MCP does

Searches and retrieves official statistical datasets and tables, answers data questions, and provides dated customs tariff measures with legal citations.

Capabilities

Tools

4 tools
get_table
Fetch a STORED table whole, by dataset id (families cn-nbs-census and cn-nbs-yearbook): labelled rows × columns with original-language labels, English overlay, units, and provenance down to the source file. Ids look like 'cn-nbs-census:2010_a0101a'.
Input schema 
{'type': 'object', 'required': ['dataset_id'], 'properties': {'dataset_id': {'type': 'string', 'description': 'catalog dataset id'}}}
resolve_data
Ask a data question in English ('unemployment rate in Japan', 'compare GDP in Japan and Germany') — resolves to the best covering dataset and returns the observations, with coverage honesty (missing countries are reported, never papered over).
Input schema 
{'type': 'object', 'required': ['q'], 'properties': {'q': {'type': 'string', 'description': 'the question'}, 'end': {'type': 'integer', 'description': 'end year'}, 'start': {'type': 'integer', 'description': 'start year'}}}
search_datasets
Search StackData's catalog of 50k+ official statistical datasets (SDMX/World Bank dataflows, China censuses and yearbooks, tariff schedules). Multilingual: an English query finds Chinese-titled tables. Returns dataset ids usable with the other tools.
Input schema 
{'type': 'object', 'required': ['q'], 'properties': {'q': {'type': 'string', 'description': 'search query'}, 'limit': {'type': 'integer', 'default': 10, 'maximum': 50, 'minimum': 1}}}
tariff_lookup
As-of customs-tariff lookup: which measures/duty rates apply to a goods code in a jurisdiction (eu, us, uk, jp), optionally from an origin, on a date. Duty expressions are verbatim; every measure carries its legal citation. Not legal advice.
Input schema 
{'type': 'object', 'required': ['code'], 'properties': {'code': {'type': 'string', 'description': 'goods code, 2-10 digits (HS/TARIC/HTS)'}, 'date': {'type': 'string', 'description': 'as-of date YYYY-MM-DD, default today'}, 'origin': {'type': 'string', 'description': 'ISO2 origin country (eu/uk only)'}, 'direction': {'enum': ['import', 'export'], 'type': 'string', 'default': 'import'}, 'jurisdiction': {'enum': ['eu', 'us', 'uk', 'jp'], 'type': 'string', 'default': 'eu'}}}
History

Recent tool changes

Added
resolve_data
Sept. 17, 2026, 12:53 p.m.
Added
tariff_lookup
Sept. 17, 2026, 12:53 p.m.
Added
get_table
Sept. 17, 2026, 12:53 p.m.
Added
search_datasets
Sept. 17, 2026, 12:53 p.m.
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