Best DOI MCP Servers
DOI (Digital Object Identifier) is a persistent identifier system used to uniquely identify digital objects like academic articles, research papers, and other electronic documents, ensuring they remain accessible even if their web location changes.
Why this server?
Resolves Digital Object Identifiers and retrieves associated metadata via /research/doi.
AlicenseAqualityAmaintenancePay-per-call data and tools for AI agents over x402, by UnyKorn. 360 endpoints: DeFi and market data, multi-chain wallet reads, wallet and token risk signals, SEC filings, web and domain intel, and AI text tools. Settled per call in USDC on Base ($0.001-$0.25). No API keys or subscriptions; unpaid calls return the exact quote first.221MITWhy this server?
Permits resolving scholarly works by their DOI, returning detailed metadata including title, authors, citations, and download links.
AlicenseBqualityDmaintenanceEnables scholarly search, paper metadata, citation graphs, author and venue resolution, candidate harvesting, API quota visibility, and guarded full-text downloads through the OpenAlex API.94MITWhy this server?
Resolves DOI identifiers to paper metadata and full-text PDFs via Unpaywall and Sci-Hub fallbacks.
AlicenseAqualityCmaintenanceUnified MCP server for scientific literature search and extraction, integrating databases like Scopus, OpenAlex, Semantic Scholar, and Unpaywall to enable AI agents to discover papers, track citations, and analyze content.27MITWhy this server?
Resolves DOI identifiers to bibliographic metadata and supports citation/reference workflows.
AlicenseBqualityCmaintenanceEnables locally-first literature research through an MCP host by collecting sources, parsing documents, retrieving evidence, validating citations, and exporting research records in multiple formats.38MITWhy this server?
Enables paper lookup and retrieval using DOI identifiers, allowing access to published academic papers across various publishers and journals.
AlicenseAqualityDmaintenanceEnables access to the Semantic Scholar Academic Graph API for searching and retrieving detailed information about academic papers, authors, citations, and references.113MITWhy this server?
Allows for the retrieval of academic papers and associated metadata using Digital Object Identifiers (DOIs) from various scholarly sources.
AlicenseAqualityBmaintenanceAn MCP server for downloading academic papers from multiple sources using intelligent routing and year-aware priority selection. It enables users to retrieve metadata and download single or batch PDFs by DOI or URL.336 PyPI3MITWhy this server?
Integrates with DOI system for dataset citation, providing access to Kenya civic datasets with proper academic attribution through DOI identifiers.
AlicenseAqualityBmaintenanceProvides access to Kenya's civic datasets including parliament records, county budgets, SACCO registry, and drought data through MCP tools. Enables AI agents to analyze and query Kenyan public data for civic applications.61MITWhy this server?
Provides read-only access to DataCite's index of 125M+ research DOIs, enabling full-text search, metadata retrieval, citation formatting (APA, MLA, Chicago, etc.), and exploration of relationships like citations and references.
AlicenseAqualityCmaintenanceProvides read-only access to DataCite's index of 125M+ research DOIs via natural language queries, enabling searching, metadata retrieval, citation formatting, and relationship exploration.951 npmMITWhy this server?
Fetches publication metadata from a DOI via Crossref to help prefill metadata for a deposit.
AlicenseAqualityCmaintenanceEnables searching HAL and preparing, validating, and submitting publication deposits via SWORD, with dry-run validation and explicit submission control.14MIT