Research & Knowledge MCP servers

See if a market is heating or cooling. Trend volume and growth signals. Free key at trendsmcp.ai

Wikipedia page view trends for any topic over time. Free key at trendsapi.ai

Orbital data center & space AI compute tracker MCP: projects, launches, orbits, alerts. 100 free/day

Check if references exist or were retracted, look up journal AI policies, and preview manuscripts.

What AI founders and researchers said in long interviews: quotes, speakers, dates and links to cite.

Queries ArXiv for AI/CS/math papers and returns structured abstracts, authors, PDF links, and Bib.

ESG knowledge base for AI agents: hybrid search, glossary, frameworks, industries, graph traversal.

Search the scientific literature and get a cited answer, plus the Trending in Science edition.

Search and read Edgepedia, a free and growing encyclopedia with citations. No key.

Signed, Bitcoin-anchored observations of AI training-data disclosure; verifies silence proofs, seals

Validate app and SaaS ideas: search demand, competitors, app store data and a verdict.

7 research navigation, thesis, note-taking and citation skill products. 6 of 8 free.

Check past auction prices in ChatGPT, plus appraisal prep and sample reports.

Read survey responses and manage contacts, webhooks, teams and organisation users.

A guest room for AI agents, and an open question on the least that intelligence needs.

Retired-API replacements: Clearbit-style company autocomplete, logos, profiles; geocoding; books.

Transcripts, summaries, chapters and timestamped answers for video links, for AI agents.

Search 1,000+ practical AI use cases by industry and workflow, with AI consulting services.

Job postings search: find, count and read open jobs from employer career sites, with pay and links.

Search and read UK guides on solar PV, heat pumps, batteries and MCS certification.

Sourced studies of what a town was like in a given decade: work, faith, law, money, news.

Where frontier tech programs stand: stage, milestones and slips, obstacles, specs and sourced news.

Search and read Cyber Library, a free structured cybersecurity knowledge base. Read-only, no auth.

Find competitors for any AI idea or product

Google Scholar search results, citation counts and citation export formats, as structured JSON.

Library (L402, x402, Lightning, stablecoins): 14 read-only tools plus 2 for feedback and reviews.

13 tools: web pages, JS apps and PDFs as text, feeds, sitemaps, search. 25 free calls.

Search, filings, sanctions, company, domain, email, SEO and weather tools, paid per call over x402.