"Open Access" matching MCP servers:

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.

Provides access to Internet Archive's Open Library metadata, enabling queries about books, authors, and subjects via natural language through the Pipeworx gateway.

Enables natural-language access to India's Open Government Data platform, letting users discover datasets, inspect schemas, and query live data from data.gov.in.

MCP server for the Korean National Assembly Open API, enabling querying of bills, members, votes, committees, and more via natural language.

Provides local academic literature search and writing support by querying OpenAlex, arXiv, and Crossref, downloading open-access PDFs, extracting IMRaD sections, and appending BibTeX references.

An MCP server that gives LLM agents typed, cached access to civic open-data portals via Socrata (SODA 2.1 + Discovery API), enabling search, query, profiling, sampling, and CSV export of datasets.

An MCP server that provides weather forecasts and current conditions for any city via the free Open-Meteo API, with no API key or account required.

We sell open source compliance, scientific, and government data.

A local MCP server for searching scientific papers, retrieving metadata and abstracts, and legally downloading Open Access PDFs via OpenAlex, CrossRef, and Unpaywall APIs.

Provides keyless access to Romanian public economic and cultural data, including exchange rates, company/VAT lookups, open datasets, official statistics, seismic-risk building records, and classified cultural heritage.

Federated, license-verified search across open-access museum collections — currently The Met, Cleveland, AIC, Wikimedia Commons, and Europeana, with more being added. Strict-default-deny rights gate accepts only CC0 / Public Domain Mark, returning reuse-safe artwork with citations in three styles.

Enables direct access to Norwegian company data — lookup, search, roles, subunits, and live updates — through the free Brønnøysund Open Data API.

Enables natural language queries of U.S. Census Bureau data, translating plain English questions into proper API calls and returning demographic, economic, and housing statistics with proper statistical interpretation and context.

Enables querying the Global Solo Banking Access Index to check which US business banking providers explicitly accept, restrict, or remain silent on applicants from 8 countries, with dated evidence URLs and provenance metadata.

Enables searching scholarly literature across CrossRef, ERIC, Semantic Scholar, and OpenAlex, and retrieving open-access PDFs via Unpaywall.

An MCP server that gives AI agents clean, token-efficient access to US civic & property data — geocoding, census tracts, Opportunity Zones, ACS demographics, and FEMA flood zones — sourced entirely from free federal open data.

Enables searching for scientific papers across OpenAlex, CrossRef, and Unpaywall, and downloading open-access PDFs directly through Claude Desktop.

Enables looking up free-to-read versions of scholarly papers by DOI and searching article titles for Open Access matches via the Unpaywall API.

A standalone MCP server that searches multiple scholarly metadata providers (PubMed, Europe PMC, bioRxiv, Crossref, OpenAlex, Semantic Scholar, arXiv), deduplicates results, and returns ranked literature with optional open-access full-text retrieval from Europe PMC.

Provides access to Danish food and nutrition data from Open Food Facts and DTU Frida, enabling keyword search, barcode lookup, and detailed food information with per-100g macros and source attribution.