Research MCP Servers for Perplexity

Article MCP literature search server - Node.js implementation

Comprehensive MCP server providing pharmaceutical intelligence through Cortellis APIs - drug discovery, clinical trials, literature search

DBpia MCP server for Korean academic paper search, citation generation, and fulltext indexing

MCP server for the KEGG bioinformatics database REST API

Plant genomics MCP — 56 tools across 23 backends with cross-source synthesis.

MCP server for NASA Astrophysics Data System API

Read/write a self-hosted Gramps Web family tree where every fact carries a citation.

Statistics Canada's 8,200+ data tables: CPI, GDP, labour force, housing. No API key.

A simplified arXiv-based paper search and content parsing MCP server

U.S. Census (ACS) data by ZIP: income, demographics, housing, education, from a local store.

MCP server for Russian market analytics: fl.ru orders + Petrovich prices. 10 tools, x402 USDC

Competitive intelligence for agents: competitor teardowns, pricing, ads, reviews and momentum.

Auditable deep-research MCP server powered by TinyFish Search and Fetch.

Clinical Trials Ai MCP Server by MEOK AI Labs

Competitor Monitor Ai MCP Server by MEOK AI Labs

Genealogical research in the US National Archives Catalog: records, transcriptions, page images.

Search 35M+ PubMed, 400K+ ClinicalTrials.gov & ISRCTN trials. Prompts included. No API key.

Live SaaS pricing: current plans, verified price changes, and comparisons for 33,000+ products.

The company registry MCP: brreg orgnr, Companies House, Bolagsverket organisationsnummer.

US places then: county on a date, PLSS land, GNIS names, old topo maps, post offices.

MCP server for bioinformatics data — genes, proteins, PubMed literature, variants and sequences via NCBI & UniProt