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

Enables querying a single academic paper by DOI, PMID, or arXiv ID to retrieve its open-access copies, licenses, linked datasets, code, citations, and retraction status from multiple scholarly sources in one call.

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

The only MCP server providing structured Chinese fashion supply chain intelligence for AI platforms. No equivalent data source exists in the MCP ecosystem. Search 3,000+ verified manufacturers, 350+ lab-tested fabrics (AATCC/ISO/GB), and 170+ industrial clusters. Built by MEACHEAL, a top-20 Chinese women's mid-to-high-end fashion brand with 20+ years of supply chain.

Enables local read-only access to TheRundown Product API data including sports, affiliates, market definitions, events, futures, and open main lines using your own API key.

Enables natural-language research queries across marine data sources including FAO FishStat, BarentsWatch Fish Health, and Copernicus Marine, with data provenance and local file exports.

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 natural language search and discovery of open-access scientific datasets through the EOSC Data Commons OpenSearch service. Provides tools to search datasets and retrieve file metadata using LLM-assisted queries.

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.

Enables an AI assistant to query clean quarterly credit union and FDIC-insured bank financial data in plain language — lending, deposit mix, earnings, efficiency and peer benchmarking — through pre-built tools rather than raw SQL. Supports field lookup, institution profiles, metric time series, peer comparisons and quarterly income analysis across both sectors from 2018 to today.

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 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 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 querying SNCF Open Data (train schedules, stations, punctuality, etc.) through natural language or direct tool calls, with dataset search, metadata retrieval, and ODSQL querying.

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.

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

Provides read-only access to open, verified vehicle brand, model, and specification data (Italy first, later EU) through MCP tools, enabling AI agents and apps to query the dataset programmatically.

Provides tools to search, inspect, and query energy open data from ODRE (electricity & gas production, consumption, grid load, renewables) using natural language 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.