Capabilities

Every capability currently open to external callers. Each is both an HTTP endpoint and an MCP tool of the same name; see Conventions.

Capability	Endpoint	Providers	Summary
Aviation weather	/v1/aviation-weather-queries	awc	Recent METAR observations (newest first) and optionally the TAF forecast for up to 10 ICAO stations from the NOAA Aviation Weather Center; unrecognized codes are listed in unknown_stations.
Daily climate	/v1/climate-daily-queries	nasa-power	Daily historical climate values for one point from NASA POWER (temperature, precipitation, relative humidity, wind speed, solar irradiance), over an inclusive span of at most 366 days between 1981-01-01 and today (UTC); unavailable values are null.
Clinical trials	/v1/clinical-trial-searches	clinicaltrials-gov	Search studies registered on ClinicalTrials.gov (US National Library of Medicine) and return NCT ID, title, overall status, phases, conditions, sponsor, start and completion dates and a registry link (up to 20 per call, optionally filtered by recruitment status).
DOI lookup	/v1/doi-lookups	datacite	Resolve one DOI to its metadata record (title, year, publisher, type, authors, link); found is false when the provider has no record.
Drug labels	/v1/drug-label-searches	openfda	Search FDA drug labels (openFDA SPL) and return brand and generic names, manufacturer, route and the indications, warnings, boxed warning and dosage sections, each cut at 4000 characters (up to 10 labels per call).
Earthquakes	/v1/earthquake-queries	usgs	Earthquake events from the USGS catalog in a time window of at most 31 days, optionally filtered by minimum magnitude and a circle around a point, with time, magnitude, place, coordinates, depth and tsunami flag (up to 200 events per call).
Economic indicators	/v1/economic-indicator-queries	world-bank	Annual values of one World Bank development indicator for one country or aggregate, over a span of at most 70 years between 1960 and the current year (default the latest 10 years).
Exchange rates	/v1/exchange-rate-queries	frankfurter, us-treasury	Reference exchange rates (not trading prices) from one base currency, latest or on a date.
Legal entities (LEI)	/v1/legal-entity-lookups	gleif	Look up legal entities in the GLEIF Global LEI Index and return LEI, legal name, entity and registration status, jurisdiction, legal form, renewal date and legal and headquarters addresses.
Postal codes	/v1/postal-code-lookups	geo-api-gouv	Resolve a postal code to its places with name, administrative areas and coordinates; found is false when the code is unknown.
Public holidays	/v1/public-holiday-queries	gov-uk, holiday-cn	Classify every date of a range (up to 93 days) in one region as workday, weekend, public holiday, or adjusted workday (a weekend date worked to compensate for a holiday).
Scholarly search	/v1/scholarly-searches	crossref, openalex	Search scholarly works by free text and return title, authors, year, venue, DOI, citation count and open-access link where known (up to 25 per call, optionally bounded by publication year).
Vehicle VIN decode	/v1/vehicle-vin-decodes	nhtsa	Decode a Vehicle Identification Number through the NHTSA vPIC database (US Department of Transportation) into make, model, model year, trim, body class, manufacturer, plant country, fuel, engine and drive type, with the decoder’s notes.

More capabilities and providers are being added; they appear in the GET /v1/services catalog first, and here after.