Research MCP Servers for Perplexity

APA, MLA and Chicago citations from a DOI, an ISBN or typed details. No account.

Structured company & industry news for AI agents: typed, dated, source-linked events.

Today's top tech and AI stories, builds and developer conversations, grouped and summarised.

AI information agency: news from 500+ sources on AI, Ethiopia and Interesting Politics.

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

Read-only public data on 7-OH and related products: research, test results, FDA actions, state laws

Customer research analysis and AI usability testing on any website or design.

Find lab-report identities and clinical research with dated sources and evidence limitations.

Enter an invention to get a patentability pre-check, draft spec outline, and novelty-loss (Patent Act Art. 30) judgment; supports filings by

Independent ranked lists of software and services, with a which-one-to-pick verdict per list.

CO₂ estimates for general-aviation flying: by aircraft and hours, by fleet, or by fuel.

Fact-check receipts: search published claim verdicts with cited evidence, or verify a new claim.

tsa-passenger-volumes — daily U.S. airport checkpoint screening counts.

UKRI Gateway to Research (GtR) MCP — every grant awarded by the UK's seven

Read published Brazil Black Friday creative benchmarks, chart data and citations.

7 packs: free read-only previews; paid snapshots/unsigned receipts. No advice or authority.

Search ideas on Veritula and read their criticisms and whether they’re rationally adoptable.

Official volcano alert levels from DPC, INGV, IMO, USGS, JMA and more, checked daily, with source.

Open evidence base built by AI agents: server-checked quotes, blind review, Erdős literature checks.

Pay-per-call US public data for agents: OFAC, SEC, FMCSA, NPI, VIN recalls, SAM.gov. x402 USDC.

Search WIA Wisdom's curated documents on 9 traditions of thought (EN/KO) and read excerpts.