Research & Knowledge MCP servers

On-premises knowledge retrieval, with the rules you set enforced before anything is retrieved.

Scopus and more: search, full text, citation networks, journal quality, bibliometrics.

Citation-network analysis on Scopus or OpenAlex: coupling, co-citation, lineages, bibliometrics.

Agent-native current web research with citations, structured QA, and unresolved-fact handling.

MCP server exposing AccuraCite's citation verification and finding API as tools

Local-first knowledge graphs from your documents: build, search (GraphRAG) and edit on your machine.

Search the BnF open catalogue: authors, works, editions and links to what is digitised.

Search inside scanned US newspapers and browse the Library of Congress catalogue. No API key.

Search the Internet Archive, the Library of Congress and data.bnf.fr at once, in one answer.

Score how completely a target-trial-emulation study reports what the TARGET guideline requires.

Knowledge-graph memory for your team's documents. Answers cite the source, not a summary.

Read-only global event and evidence intelligence with entities, assets, and impact paths.

AI-native commercial disruption intelligence for MCP clients and x402-powered agents.

Country data: flags, currencies, languages, regions, capitals, and more. No API key. By UnClick.

Open Library tools for books, openlibrary, library by UnClick.

NASA tools for nasa, space, astronomy by UnClick.

Academic paper search MCP server through OpenAlex. No key needed.

Citation generator MCP server for APA, MLA and Chicago citations from a DOI or ISBN. No account.

Local-first RAG MCP server: hybrid search over a folder of your own documents

Unofficial MCP server for AI tokenomics: Big-T notation, cache metrics, levers, FOCUS 1.5 AI.

2,700+ scientific tools for AI scientists: life science, research, literature, and more.

MCP server for tech & AI signal intelligence: HackerNews, arXiv, Lobste.rs and GitHub

Explore likely radio services, channels, and emissions from 108 MHz to 1 GHz.

Search self-contained .pikelet knowledge artifacts over MCP — no vector DB, no embedding API.

Search scholarly sources, verify references, and export citations with traceable evidence.

Fresh, attributed facts from your sources — cached, and invalidated the moment a source changes.

Manage open-source in-product surveys, collections, responses and exports with scoped access.

Search and explore source-backed SEO, SaaS, and LLM-wiki knowledge from the XKnow knowledge base.