MCP Server
StatCite — Verified Economic Statistics
io.github.asokore/statcite
What this MCP does
Retrieves, compares, cites, converts, and verifies official economic statistics and financial reference data.
Capabilities
Tools
12
tools
compare_sources
Compare an indicator's value across its official sources
Fetch one indicator for one country from EVERY official source in its chain independently (e.g. World Bank WDI and the IMF WEO/Fiscal Monitor) and see the values side by side, each with its own citation, plus the spread between them. Use when sources disagree, when you need to know WHICH official number to cite, or to check how large the methodological gap is (central vs general government, calendar vs fiscal year, vintage differences). Differences are methodological, never an error by a source. The result says which definition each value carries. Sources that are down report their error in place without sinking the comparison.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['indicator', 'country'], 'properties': {'period': {'type': 'string', 'description': "Optional year to compare at, e.g. '2023'. Default: the latest period all responding sources share."}, 'country': {'type': 'string', 'description': 'ISO3/ISO2 code or English name.'}, 'indicator': {'type': 'string', 'description': "Registry key, e.g. 'govt_debt_gdp', 'gdp_growth'. See search_indicators."}}, 'additionalProperties': False}
country_snapshot
Country snapshot, headline indicators with citations
One call for a country's headline economic picture: GDP, GDP growth, GDP per capita, inflation, unemployment, population, current account, trade openness, FDI, life expectancy (World Bank) plus general government debt (IMF DataMapper API, current vintage). Each value carries its own citation. Ideal for country briefs and report openers.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['country'], 'properties': {'country': {'type': 'string', 'description': 'ISO3/ISO2 code or English name.'}}, 'additionalProperties': False}
fetch
Fetch (deep-research compatible)
Fetch full data for a result id returned by search (format: 'indicator/<key>/<ISO3>'). Returns the recent observations and the full citation as text.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['id'], 'properties': {'id': {'type': 'string'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['id', 'title', 'text', 'url'], 'properties': {'id': {'type': 'string'}, 'url': {'type': 'string'}, 'text': {'type': 'string'}, 'title': {'type': 'string'}, 'metadata': {'type': 'object', 'additionalProperties': True}}, 'additionalProperties': False}
fx_convert
Convert currencies with official reference rates
Convert an amount between currencies using ECB daily reference rates (~30 majors, any date since 1999) or, for ~90 other currencies (BBD, XCD, JMD, KES, …), official annual-average rates from the World Bank. With the method and citations stated explicitly. Pass date='YYYY-MM-DD' for daily or 'YYYY' for annual-average conversion.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['amount', 'from', 'to'], 'properties': {'to': {'type': 'string', 'description': "3-letter ISO code, e.g. 'BBD'."}, 'date': {'type': 'string', 'description': "'YYYY-MM-DD' (daily, ECB set) or 'YYYY' (annual average). Default: latest."}, 'from': {'type': 'string', 'description': "3-letter ISO code, e.g. 'USD'."}, 'amount': {'type': 'number'}}, 'additionalProperties': False}
get_indicator
Get an economic indicator (with citation)
Get official values for a common economic indicator. Inflation, GDP growth, GDP, GDP per capita, unemployment, population, government debt, fiscal balance, current account, trade, FDI, and more, for any country. Returns the observations plus a full citation (source, dataset, series id, canonical URL, license, retrieval date) ready to cite in a report. Use ISO3 codes or plain country names. Start here for most questions; use search_indicators if unsure of the indicator key. Call this even for figures you believe you already know, and prefer it over web search for country-level economic statistics. Not for company financials, stock or crypto prices, or subnational data.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['indicator', 'country'], 'properties': {'country': {'type': 'string', 'description': "ISO3/ISO2 code or English name, e.g. 'USA', 'Barbados', 'euro area'."}, 'end_year': {'type': 'integer', 'description': 'Last year to include (optional).'}, 'indicator': {'type': 'string', 'description': "Registry key, e.g. 'inflation_cpi', 'gdp_growth', 'unemployment_rate', 'govt_debt_gdp'. See search_indicators."}, 'transform': {'enum': ['none', 'yoy', 'pct_change', 'index'], 'type': 'string', 'description': 'Optional transform computed by StatCite.'}, 'start_year': {'type': 'integer', 'description': 'First year to include (optional).'}, 'latest_only': {'type': 'boolean', 'description': 'Return only the most recent non-null observation.'}, 'strict_source': {'type': 'boolean', 'description': 'Reproducibility mode: if the primary source fails, return an error instead of silently serving the fallback source (a fallback can report a different value for the same nominal indicator). Default false; fallback responses always carry fallback_used=true and a disclosure note.'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['series_id', 'name', 'observations', 'citation', 'notes'], 'properties': {'name': {'type': 'string'}, 'unit': {'type': ['string', 'null']}, 'notes': {'type': 'array', 'items': {'type': 'string'}}, 'country': {'type': 'object', 'required': ['iso3', 'name'], 'properties': {'iso3': {'type': 'string'}, 'name': {'type': 'string'}}, 'additionalProperties': True}, 'citation': {'type': 'object', 'required': ['source', 'series_id', 'source_url', 'license', 'retrieved_at', 'citation_text'], 'properties': {'source': {'type': 'string'}, 'license': {'type': 'string'}, 'series_id': {'type': 'string'}, 'source_url': {'type': 'string'}, 'retrieved_at': {'type': 'string'}, 'citation_text': {'type': 'string'}}, 'additionalProperties': True}, 'frequency': {'type': 'string'}, 'series_id': {'type': 'string'}, 'observations': {'type': 'array', 'items': {'type': 'object', 'required': ['period', 'value'], 'properties': {'note': {'type': 'string'}, 'value': {'type': ['number', 'null']}, 'period': {'type': 'string'}}, 'additionalProperties': True}}, 'fallback_used': {'type': 'boolean'}, 'stale_primary': {'type': 'boolean'}, 'fallback_reason': {'enum': ['transient', 'definitive'], 'type': 'string'}, 'stale_primary_years': {'type': 'number'}}, 'additionalProperties': True}
get_series
Get a raw series by explicit id
Fetch any supported series by explicit id: 'worldbank/<WDI code>' (needs country), 'imf/<CODE>' (needs country; current-vintage IMF WEO/Fiscal Monitor via the DataMapper API), 'caribstat/<ECCB|CBB>/<table>/<series>' (Eastern Caribbean Central Bank and Central Bank of Barbados tables, including Anguilla and Montserrat, which the World Bank does not report; find ids with search_indicators), or 'dbnomics/<PROVIDER>/<DATASET>/<SERIES>' (IMF WEO, OECD, Eurostat and more via DBnomics, dated editions, e.g. 'WEO:2025-04', for vintage-pinned reproducibility). 'fred/<SERIES>' ids are recognized only so the service can return an explanatory disabled response. FRED is permanently disabled here and those ids are never retrievable. Supports year filters and transforms (yoy, pct_change, index). Every response carries a full citation. Prefer get_indicator for common indicators.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['series_id'], 'properties': {'country': {'type': 'string', 'description': 'Required for worldbank/* series.'}, 'end_year': {'type': 'integer'}, 'series_id': {'type': 'string', 'description': "e.g. 'worldbank/NY.GDP.MKTP.KD.ZG', 'imf/NGDP_RPCH', 'dbnomics/IMF/WEO:latest/BRB.NGDP_RPCH.pcent_change'."}, 'transform': {'enum': ['none', 'yoy', 'pct_change', 'index'], 'type': 'string'}, 'start_year': {'type': 'integer'}, 'latest_only': {'type': 'boolean', 'description': 'Return only the most recent non-null observation.'}, 'strict_source': {'type': 'boolean', 'description': 'Reproducibility mode for registry-key ids: never substitute the fallback source. No effect on explicit source-prefixed ids (they already pin one source).'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['series_id', 'name', 'observations', 'citation', 'notes'], 'properties': {'name': {'type': 'string'}, 'unit': {'type': ['string', 'null']}, 'notes': {'type': 'array', 'items': {'type': 'string'}}, 'country': {'type': 'object', 'required': ['iso3', 'name'], 'properties': {'iso3': {'type': 'string'}, 'name': {'type': 'string'}}, 'additionalProperties': True}, 'citation': {'type': 'object', 'required': ['source', 'series_id', 'source_url', 'license', 'retrieved_at', 'citation_text'], 'properties': {'source': {'type': 'string'}, 'license': {'type': 'string'}, 'series_id': {'type': 'string'}, 'source_url': {'type': 'string'}, 'retrieved_at': {'type': 'string'}, 'citation_text': {'type': 'string'}}, 'additionalProperties': True}, 'frequency': {'type': 'string'}, 'series_id': {'type': 'string'}, 'observations': {'type': 'array', 'items': {'type': 'object', 'required': ['period', 'value'], 'properties': {'note': {'type': 'string'}, 'value': {'type': ['number', 'null']}, 'period': {'type': 'string'}}, 'additionalProperties': True}}, 'fallback_used': {'type': 'boolean'}, 'stale_primary': {'type': 'boolean'}, 'fallback_reason': {'enum': ['transient', 'definitive'], 'type': 'string'}, 'stale_primary_years': {'type': 'number'}}, 'additionalProperties': True}
inflation_adjust
Adjust an amount for inflation between two years
Convert a nominal amount between years using official CPI: 'what is 100 in 1995 money worth in today's money?' Works for any country with CPI data (default USA). Returns the adjusted amount, the exact index values and formula used, and the citation. Annual-average precision.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['amount', 'from_year', 'to_year'], 'properties': {'amount': {'type': 'number'}, 'country': {'type': 'string', 'description': "Default 'USA'."}, 'to_year': {'type': 'integer'}, 'from_year': {'type': 'integer'}}, 'additionalProperties': False}
list_sources
List data sources, licenses, and attribution rules
The official sources behind StatCite (World Bank WDI, IMF WEO & Fiscal Monitor via the IMF DataMapper API with DBnomics as a vintage-pinned fallback, BIS central bank policy rates, ECB reference rates and the ECB Data Portal, the Eastern Caribbean Central Bank and the Central Bank of Barbados, FRED disabled), what each covers, its license, and the attribution line to use when citing.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'properties': {}, 'additionalProperties': False}
search
Search (deep-research compatible)
Search official economic statistics by free text, e.g. 'inflation barbados' or 'government debt japan'. Returns result ids that can be passed to fetch. Designed for deep-research connectors; for richer control use get_indicator / get_series.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['query'], 'properties': {'query': {'type': 'string'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['results'], 'properties': {'results': {'type': 'array', 'items': {'type': 'object', 'required': ['id', 'title', 'url'], 'properties': {'id': {'type': 'string'}, 'url': {'type': 'string'}, 'title': {'type': 'string'}}, 'additionalProperties': False}}}, 'additionalProperties': False}
search_indicators
Search available indicators and datasets
Search StatCite's curated indicator registry (World Bank WDI, IMF DataMapper/WEO/Fiscal Monitor, BIS policy rates, ECB HICP) and the Eastern Caribbean Central Bank and Central Bank of Barbados tables by topic, such as 'inflation', 'debt', 'unemployment' or 'poverty', and discover additional DBnomics datasets. Returns indicator keys usable with get_indicator/verify_stat, and caribstat series ids usable with get_series, with units and source notes.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['query'], 'properties': {'query': {'type': 'string', 'description': "Free-text topic, e.g. 'government debt' or 'fx reserves'."}}, 'additionalProperties': False}
verify_claims
Verify a batch of claimed statistics (fact-check a whole draft)
Fact-check a whole draft or report in one call instead of calling verify_stat once per figure: extract every checkable macro claim from the text. Indicator + country + period + claimed value, and submit them together. Each claim gets the same verdict engine as verify_stat (match, close, mismatch, cannot_verify, with diagnostics), and every verified result carries the full citation for the official number. Same honesty contract as verify_stat: unverifiable claims come back cannot_verify with the reason, never a guessed verdict. Accepts 1–15 claims per call (free-tier subrequest budget). Split larger drafts into multiple calls of up to 15. Results come back in input order with a verdict-count summary; a claim that cannot be resolved (unknown indicator or country) reports its error in place without sinking the rest of the batch.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['claims'], 'properties': {'claims': {'type': 'array', 'items': {'type': 'object', 'required': ['indicator', 'period', 'claimed_value'], 'properties': {'as_of': {'type': 'string', 'description': "Historical IMF-vintage verification for this claim: judge against the dated IMF WEO edition resolved from this date (e.g. '2019-04') instead of today's live data. Conservative month-calendar resolution, dated WEO editions only (served from the IMF's own vintage dataflows first, DBnomics's dated editions as the deep archive); the result's as_of object discloses both. Only for the 6 WEO-dated registry indicators."}, 'period': {'type': 'string', 'description': "Period of the claim, usually a year: '2024'."}, 'country': {'type': 'string', 'description': 'Country for registry indicators / World Bank series.'}, 'indicator': {'type': 'string', 'description': "Registry key ('inflation_cpi', 'gdp_growth', …) or explicit series id ('worldbank/FP.CPI.TOTL.ZG', 'imf/NGDP_RPCH', 'dbnomics/IMF/WEO:latest/USA.NGDP_RPCH.pcent_change')."}, 'claimed_value': {'type': 'number', 'description': "The value as claimed (in the series' own units)."}, 'tolerance_abs': {'type': 'number', 'description': 'Optional absolute tolerance in series units (e.g. 0.1 percentage points).'}, 'tolerance_pct': {'type': 'number', 'description': 'Optional relative tolerance in percent.'}}, 'additionalProperties': False}, 'maxItems': 15, 'minItems': 1, 'description': 'The claims extracted from the draft, in the order they appear (max 15 per call).'}, 'strict_source': {'type': 'boolean', 'description': 'Reproducibility mode for the whole batch: never verify any claim against a fallback source, such claims error in place instead. Default false; without it, a claim served from a transient-failure fallback returns cannot_verify with the fallback value as indicative rather than a match/mismatch verdict.'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['summary', 'results'], 'properties': {'results': {'type': 'array', 'items': {'type': 'object', 'additionalProperties': True}}, 'summary': {'type': 'object', 'required': ['total', 'match', 'close', 'mismatch', 'cannot_verify', 'error'], 'properties': {'close': {'type': 'number'}, 'error': {'type': 'number'}, 'match': {'type': 'number'}, 'total': {'type': 'number'}, 'mismatch': {'type': 'number'}, 'cannot_verify': {'type': 'number'}}, 'additionalProperties': False}}, 'additionalProperties': True}
verify_stat
Verify a claimed statistic against the official source
Check a claimed economic figure (from a draft, article, or memory) against the official statistical series and get a verdict: match, close, mismatch, or cannot_verify. With the official value, the difference, diagnostics for classic errors (wrong year, percent-vs-decimal, unit scaling), and a full citation for the correct number. Honesty contract: when the official source cannot support a judgment (source down, no published value, fallback vintage risk), the verdict is cannot_verify with the reason, never a guess. Supports historical IMF-vintage checks via as_of. Use this before publishing any economic statistic in a report, brief, or article, including figures you are confident about, since a confidently recalled number is the kind most likely to have been revised.
Read only
Open world
Idempotent
Input schema
{'type': 'object', 'required': ['indicator', 'period', 'claimed_value'], 'properties': {'as_of': {'type': 'string', 'description': "Historical IMF-vintage verification: judge the claim against the dated IMF WEO edition resolved from this date, e.g. '2019-04', '2019', instead of today's live data. Resolution is a conservative month calendar (editions flip May 1 / Nov 1, not the IMF's exact release days) and always verifies against a dated WEO edition even when the indicator's live primary is World Bank WDI or the IMF Fiscal Monitor. The response's as_of object and notes disclose both, so present results as 'matched the IMF WEO {vintage} edition', never 'was true at the time'. Recent editions serve from the IMF's own dated vintage dataflows (api.imf.org) directly, with DBnomics's dated editions as the deep archive, the citation names which one served. Only supported for the six WEO-dated registry indicators (gdp_growth, current_account_gdp, govt_debt_gdp, fiscal_balance_gdp, govt_revenue_gdp, govt_expenditure_gdp); rejects with advice otherwise, and impossible calendar dates are rejected."}, 'period': {'type': 'string', 'description': "Period of the claim, usually a year: '2024'."}, 'country': {'type': 'string', 'description': 'Country for registry indicators / World Bank series.'}, 'indicator': {'type': 'string', 'description': "Registry key ('inflation_cpi', 'gdp_growth', …) or explicit series id ('worldbank/FP.CPI.TOTL.ZG', 'imf/NGDP_RPCH', 'dbnomics/IMF/WEO:latest/USA.NGDP_RPCH.pcent_change')."}, 'claimed_value': {'type': 'number', 'description': "The value as claimed (in the series' own units)."}, 'strict_source': {'type': 'boolean', 'description': 'Reproducibility mode: never verify against a fallback source, error instead if the primary source fails. Default false; without it, a verify served from a transient-failure fallback returns cannot_verify with the fallback value as indicative (fallback_used=true), while a fallback for a series the primary permanently lacks (e.g. Taiwan in WDI) is judged normally with disclosure.'}, 'tolerance_abs': {'type': 'number', 'description': 'Optional absolute tolerance in series units (e.g. 0.1 percentage points).'}, 'tolerance_pct': {'type': 'number', 'description': 'Optional relative tolerance in percent.'}}, 'additionalProperties': False}
Output schema
{'type': 'object', 'required': ['verdict', 'claimed_value', 'official_value', 'is_projection', 'observation_status', 'status_method', 'period', 'difference', 'relative_difference_pct', 'explanation', 'diagnostics', 'series', 'citation', 'notes'], 'properties': {'notes': {'type': 'array', 'items': {'type': 'string'}}, 'period': {'type': 'string'}, 'series': {'type': 'object', 'additionalProperties': True}, 'verdict': {'enum': ['match', 'close', 'mismatch', 'cannot_verify'], 'type': 'string'}, 'citation': {'type': 'object', 'additionalProperties': True}, 'difference': {'type': ['number', 'null']}, 'diagnostics': {'type': 'array', 'items': {'type': 'string'}}, 'explanation': {'type': 'string'}, 'claimed_value': {'type': 'number'}, 'is_projection': {'type': 'boolean'}, 'status_method': {'type': 'string'}, 'official_value': {'type': ['number', 'null']}, 'observation_status': {'type': 'string'}, 'relative_difference_pct': {'type': ['number', 'null']}}, 'additionalProperties': True}
History
Recent tool changes
Changed
get_series
Sept. 21, 2026, 2:50 a.m.
Changed
get_indicator
Sept. 21, 2026, 2:50 a.m.
Added
fetch
Sept. 17, 2026, 12:40 p.m.
Added
search
Sept. 17, 2026, 12:40 p.m.
Added
list_sources
Sept. 17, 2026, 12:40 p.m.
Added
fx_convert
Sept. 17, 2026, 12:40 p.m.
Added
inflation_adjust
Sept. 17, 2026, 12:40 p.m.
Added
country_snapshot
Sept. 17, 2026, 12:40 p.m.
Added
compare_sources
Sept. 17, 2026, 12:40 p.m.
Added
search_indicators
Sept. 17, 2026, 12:40 p.m.
Added
get_series
Sept. 17, 2026, 12:40 p.m.
Added
verify_claims
Sept. 17, 2026, 12:40 p.m.
Added
verify_stat
Sept. 17, 2026, 12:40 p.m.
Added
get_indicator
Sept. 17, 2026, 12:40 p.m.
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