Research and knowledge
Scholarly, reference and public information services with documented machine access.
Services are ordered by documented operations, attributed reports and current documentation. 64 services are classified here. Each card shows the interfaces a service offers; open it for access requirements and sources.
Categories · Tasks · Interfaces · How listings are checked
Crossref
The REST API provides access to scholarly metadata and supports the open access metadata community.
Research and knowledge
API · Documentation checked: 2026-10-13API · Documentation checked: 2026-10-13API · Documentation checked: 2026-10-13API · Access documentation verifiedFlat
The Flat API allows you to easily extend the abilities of the Flat Platform, with a wide range of use cases including: Creating/importing new music scores, browsing/updating/copying/exporting scores, managing educational resources.
music · Research and knowledge
API · Access documentation verifiedLoreboard
A fan directory for Lorcana resources with an anonymous read-only MCP server and filterable public resource search.
Research and knowledge · search · mcp · gaming
MCP · Access documentation verifiedCouncil of AI
A public AI governance measurement service that exposes its current GSPC board as JSON.
Research and knowledge · api
API · Access documentation verifiedRegulations.ai
A tracker of AI regulation with a public MCP interface for finding jurisdiction coverage and source-linked regulation records.
Research and knowledge · legal information · mcp
MCP · Access documentation verifiedOBIS
The Ocean Biodiversity Information System provides marine biodiversity data and a public API for accessing occurrence records and download statistics.
marine-biodiversity · environmental-data · Research and knowledge · api
API · Access documentation verifiedDistrictAPI
REST API for U.S. public school district and school data, including address-to-district lookup, enrollment, demographics, and boundaries.
Research and knowledge · Public data · Developer tools
API · Access documentation verified3GPP Scout
3GPP Scout provides semantic search over 3GPP technical specifications and recent TDoc material, returning cited sections for standards research.
Developer tools · telecommunications · Research and knowledge
API · Access documentation verifiedPokéAPI
PokéAPI is a consumption-only API that serves open data about Pokémon game resources.
Research and knowledge
API · Access documentation verifiedAPI · Documentation checked: 2026-10-13Publish.fun
Publish.fun is an AI-native journal for research papers, with a public API for reading published papers.
research publishing · Research and knowledge · API
API · Access documentation verifiedEdgeChat
EdgeChat combines local AI applications with Edgepedia, whose documented search API returns encyclopedia subjects and articles as JSON.
Research and knowledge · search · Developer tools
API · Access documentation verifiedTitleman
A commercial real-estate workspace with MCP access to property comparables, portfolio data, and valuation reports.
real-estate · Research and knowledge · mcp
MCP · Access documentation verifiedValyu
Valyu provides a hosted MCP server for web and specialized-index research, including the valyu_search tool.
Research and knowledge · mcp · Public data
MCP · Documentation checked: 2026-10-11DataCamp
DataCamp provides a read-only API to retrieve its course catalog and group learner events for LMS integrations.
Research and knowledge · learning · API
API · Documentation checked: 2026-10-11KNMI
KNMI is the national weather and climate institute of the Netherlands. Its EDR API supports spatio-temporal queries against environmental data collections.
Weather and climate · Environmental data · Research and knowledge · API
API · Documentation checked: 2026-10-11SACS.ai
SACS.ai provides a public read-only MCP connection for California school district financial data and SACS filings, with district lookup, dataset discovery, financial summaries, comparisons and sourced context packs.
Research and knowledge · Public data · Developer tools
MCP · Documentation checked: 2026-10-10Tallytopia
A free calculator website with a JSON API that runs calculators and returns transparent step-by-step results.
calculators · Finance and economic data · Research and knowledge · api
API · Documentation checked: 2026-10-10Context Link
Context Link searches connected knowledge sources for matching snippets and source references through its hosted MCP server.
Research and knowledge · search · MCP
MCP · Documentation checked: 2026-10-10Xpoz
Social data service with a TypeScript MCP client for searching public social posts across supported platforms.
social-data · Research and knowledge · social-media
MCP · Documentation checked: 2026-10-10Survicate
Connect an AI assistant to one Survicate workspace to read survey feedback and, when authorized, create survey drafts, research projects or notes, or archive surveys.
customer-feedback · surveys · mcp · Research and knowledge
MCP · Documentation checked: 2026-10-11NASA ADS
Search the Astrophysics Data System literature database by search terms or bibcodes.
Research and knowledge · Public data · API
API · Documentation checked: 2026-10-10Kourses
Online course platform with a documented API for listing published memberships attached to a selected website.
Research and knowledge · course-platform · API
API · Documentation checked: 2026-10-11Wikipedia
The MediaWiki REST API provides wiki content through a RESTful HTTP interface, including Wikipedia page search and retrieval.
Research and knowledge
API · Documentation checked: 2026-10-13Liner
Liner provides a remote search MCP server for web, scholarly, legal, finance, medical and business research tools.
web search · Research and knowledge · Model Context Protocol
MCP · Documentation checked: 2026-10-10