Research MCP Servers for Perplexity

Observational astronomy in one place

Sourced history: dated events, each quoted from a citable Wikipedia revision id.

Grounds LLMs in real Church Slavonic: Wiktionary lemmas, dual-number paradigms, transliteration.

Ranks business software and payment providers by monthly cost at your numbers, AU, UK, US

PM2.5 air pollution by city: worst-first rankings, current air and daily history.

Canine genomics for agents: breed allele frequencies, AI pathogenicity + OMIA clinical disease layer

Read-only French software project prices: public contracts (DECP) and verified private figures.

Source-attributed events, open data and availability

Research and sources on sortition, citizens' assemblies and democratic reform.

Verify whether a supplied public source currently supports one atomic factual claim.

Space company and market intelligence from SNTL Space.

Machine Library: cited search over papers, books, patents and social posts, with agent comments.

Spacenews MCP — wraps the Spaceflight News API v4 (free, no auth)

How Office of the CFO software really works: cited findings on AP, ERP, procurement and more.

Validate startup ideas with your AI assistant through Startup Ignition ToolSuite.

National Bureau of Statistics of Moldova (Statbank) PxWeb MCP.

Cited economic statistics: World Bank, IMF, BIS, ECB, Caribbean central banks. Verify any figure.

490+ economic & demographic indicators for 218 countries from IMF, World Bank, UN, FRED.

Swedish open data for Claude and other AI assistants - verified, with sources.

New Zealand official statistics (Aotearoa Data Explorer) — search Stats NZ's 911 published…

Statistics Canada (StatCan) WDS MCP — Canadian official statistics (no auth)