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Academic Research
Scholarly search: OpenAlex, Crossref, arXiv, OpenCitations and PubMed in one endpoint.

Aviation Weather
Aviation Weather MCP — METAR, TAF, PIREPs, AIRMET/SIGMET, station info
Castles
2,400 castles, fortresses & palaces: name search, nearby, fame ranking, statistics.

Search
Collaborative, cache-first web search for agents — cited answers from a shared live-web pool.
GTH Intelligence - Substance Abuse Treatment Finder
Search 12,338 curated, SAMHSA-sourced addiction treatment facilities across all 50 US states.
VR.org VR / AR / XR Reader
Read-only VR / AR / XR news, full-text editorial, events, deals, and buyer guides from VR.org.
Peopledatalabs
Enrich and search people and companies, resolve identities, and enrich IP addresses.
Witnessd
Neutral third-party witness: independently fetch, hash, timestamp, archive any URL or API response.

Pirate Weather
Pirate Weather forecast API (Dark Sky-compatible).
A1 Gallery
Search a curated gallery of real website designs by style, font, colour, section and technology.
Rotv
Romanian TV guide MCP: live listings, prime time, search, recommendations, MCP Apps tonight card.
StoreInspect
Search Shopify stores, enrich domains, and reveal approved contact channels.
APITube News
Real-time news search across 500,000+ sources in 60+ languages with sentiment and entities.

Weather & Geo Intel MCP
US weather & geo for AI agents: forecasts, alerts, earthquakes, elevation, geocoding.
Sourcers Desk
Recruiter-grade boolean/x-ray search strings from a 20-year sourcing playbook.
Hptsu
Search hpt.su — Russian/EAEU vehicle compliance documents: type approvals, certificates, VIN lookup.
News Volume API
News article mention volume trends for any topic.
JobYap Job Search
Search job postings aggregated from companies' careers sites, plus each job's discussion thread.
Bill Commons
Search 209k+ US state bills, all 50 states + DC: full text, sponsors, votes, status.
GribStream Weather MCP
NOAA and ECMWF weather forecast MCP for discovery, validation, and GribStream OAuth queries.
Ecommerce Intel
Product intel: Amazon, AliExpress, Shopify, TikTok Shop, ads and search interest.
News Sentiment API
News sentiment score trends for any topic over time.