"Resources for accessing on-chain blockchain data" matching MCP servers:

MCP server giving AI agents access to global supply chain and trade data from UN Comtrade, World Bank, and Open Supply Hub.

MCP server for the loc8n Geographic Data API. Exposes U.S. demographics, housing, mortgage, migration, employment, and geographic data as tools.

Enables access to Hong Kong government's official open data portal (DATA.GOV.HK) through natural language queries. Supports searching datasets, browsing categories, and retrieving detailed information about Hong Kong's public data resources.

MCP server with 562 tools accessing 114 government data APIs covering economic, health, education, energy, and more from federal, state, and international sources.

Enables AI agents to search, retrieve metadata, and query tabular resources from Latvia's Open Data portal (data.gov.lv) via CKAN.

Enables searching and querying Winnipeg Open Data datasets through natural language or SoQL, with tools for datasets, metadata, and row-level data.

Enables searching and querying Île-de-France open data datasets (transport, environment, economy, etc.) via natural language or direct tool calls.

Enables AI agents to search, query, and explore datasets from the Centre-Val de Loire Open Data portal, covering regional services, transport, education, and environment.

Provides access to Detroit open data via ArcGIS REST API, enabling querying and analysis of municipal datasets through natural language or direct tool calls.

Enables searching, querying, and retrieving metadata for datasets from New Caledonia Open Data (data.gouv.nc) using ODSQL.

MCP server for accessing data.ny.gov datasets via the Socrata Open Data API, enabling search, query, metadata retrieval, and column value exploration.

Enables AI agents to search and query the Michigan Open Data catalog, running Socrata SoQL queries against datasets by resource ID, and retrieving dataset metadata.

Enables querying Brussels Open Data datasets through natural language or direct tool calls, including search, metadata retrieval, and SQL-like queries.

MCP server providing normalized JSON APIs for Korean public data, including holidays, business days, and real estate transactions.

MCP server for querying Santa Clara County open data via Socrata APIs, enabling dataset search, SoQL queries, and metadata retrieval.

Enables searching, querying, and retrieving metadata from Sonoma County Open Data datasets via Socrata SoQL or natural language.

Enables keyless, read-only querying of FEMA open data on NFIP paid flood claims by state and county, damage ratios by interior water depth, and county profiles covering disaster declarations, FEMA inspections, and community status. Reported amounts are what NFIP paid on claims, not repair-cost estimates.

Access Baltimore open data (data.baltimorecity.gov) via ArcGIS REST API, enabling querying and retrieval of city datasets through natural language or direct tool calls.

Enables searching, viewing metadata, and querying tabular resources from Netherlands Open Data (data.overheid.nl) via CKAN.

MCP server for accessing Strasbourg Open Data (data.strasbourg.eu). Allows searching datasets, retrieving metadata, and querying records with ODSQL.

DataCambridge MCP — Cambridge open data (data.cambridgema.gov, Socrata SODA API).

Enables access to Seoul city data, including real estate transactions, air quality, cultural events, and generic datasets from the Seoul Open Data Plaza API.

Enables MCP clients to fetch Argentine USD/ARS quotes, INDEC inflation data, and national holidays, validate CUIT/CBU identifiers, and generate Ripio wARS on-ramp links, with paid calls settled per use in wARS on Celo via x402 or free quote mode.

Enables querying Seattle open data from data.seattle.gov via the Socrata SODA API.

Enables searching and querying the Nova Scotia Open Data catalog via Socrata SoQL. Provides tools to find datasets, query data, and get metadata by resource ID.

Enables access to City of Montreal open data through the CKAN API, allowing queries and retrieval of datasets.

Enables searching and querying Utah Open Data datasets via the Socrata SoQL API, including datasets, metadata, and row-level data retrieval.

Enables searching and accessing EU open datasets from data.europa.eu, including metadata discovery and dataset retrieval.

Enables natural-language queries about US K-12 public schools, districts, per-pupil funding and spending, and child poverty estimates from keyless federal data.

Access and query Denver open geospatial data via the ArcGIS REST API, enabling natural language questions about Denver's datasets.

Enables querying Qatar's national open data portal for population, economic indicators, trade, and SDG statistics, with bilingual English/Arabic field labels and keyless access.

Enables querying NYC Open Data datasets using natural language, with tools to search datasets, run SoQL queries, and retrieve metadata, all without an API key.

MCP server for querying and analyzing urban data from the Sofia municipality CKAN portal. Provides tools for dataset search, retrieval, preview, summarization, and faceted browsing.

Enables querying Calgary open data from data.calgary.ca using the Socrata SODA API through natural language questions or direct tool calls.

MCP server for accessing Kansas City, MO open data through the Socrata SODA API. Enables querying and retrieving public datasets from data.kcmo.org.

Enables querying Austin, TX open data from data.austintexas.gov using the Socrata SODA API, allowing AI agents to access municipal datasets through natural language.

MCP server that silently monitors state changes in structured data sources (e.g., government open data) and provides a pull-based channel for AI agents to retrieve real mutations since their last cursor.

Enables developers and AI agents to search a catalog of license-cleared public data sources and query them through a unified MCP interface, with usage tracking and automatic attribution.

Provides Japanese station accessibility and hazard data via MCP tools, including toilet information, public toilet locations, and official hazard categories.

Enables searching the NIAID Data Ecosystem for biomedical research resources including datasets, clinical studies, and publications using Elasticsearch queries.