Schema | OpenUSPublicDataMCP

OpenUSPublicDataMCP

Describes the environment variables required to run the server.

Name	Required	Description	Default
`OPENUS_PORT`	No	Port for HTTP transport	8787

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": true }
`logging`	{}
`prompts`	{ "listChanged": false }
`resources`	{ "subscribe": false, "listChanged": false }
`extensions`	{ "io.modelcontextprotocol/ui": {} }
`experimental`	{}

Functions exposed to the LLM to take actions

Name	Description
health_checkA	Return server health and the count of registered public-data sources.
list_public_data_sourcesA	List registered US public-data sources with jurisdiction and authentication metadata.
find_us_data_sourcesC	Find registered sources by jurisdiction or platform, such as federal, socrata or ckan.
resolve_us_geographyA	Resolve a US state name, abbreviation, or city/state string to state FIPS metadata.
list_curated_state_portalsC	List the first curated state open-data portal pack.
search_state_dataC	Search the curated official open-data portal for a supported US state.
search_data_govC	Search Data.gov's official catalogue for datasets matching a query.
get_census_state_populationA	Return Census ACS 5-year total population by US state for a supported year.
list_federal_agenciesA	Return federal agencies known to USAspending.gov without requiring an API key.
search_federal_registerC	Search official Federal Register documents by full-text term.
search_usaspending_awardsC	Search federal spending awards by keyword through USAspending.gov.
search_congress_billsC	Search recent Congress.gov bill records; requires CONGRESS_API_KEY.
search_socrata_catalogC	Discover state and local datasets hosted on Socrata.
query_socrata_datasetC	Read rows from a Socrata dataset using its domain and four-character dataset ID.
query_arcgis_feature_serviceC	Query an ArcGIS REST feature service layer.
search_ckan_catalogC	Search a CKAN catalogue hosted by a state, county, city or public institution.

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

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