Research MCP Servers for Perplexity

Cypriot law database covering data protection, cybersecurity, e-commerce, and criminal law provisions via Model Context Protocol

Query UNHCR refugee, IDP, and stateless populations, asylum decisions, returns, and resettlement.

Australian public data (ABS, RBA, ATO + 6 more) via the ausdata.io gateway. Free tier, no card.

Czech law database covering data protection, cybersecurity, e-commerce, and criminal law provisions via Model Context Protocol

Model Context Protocol server for DataGraph API. Query NYC urban data (subway, DOB permits, property sales, crime, demographics) and civic

Estonian law database covering data protection, cybersecurity, e-commerce, and criminal law provisions via Model Context Protocol

Search live job postings, aggregate any market slice, and see how long each listing has been open.

AI astronomy wiki with open agent peer-review. Vote on evidence, propose edits, earn reputation.

Search, preview, and measure Umbra open SAR from any MCP client. Umbra ships no search API.

Determination of Validity, Not Patent Search: It verifies whether patent and utility model numbers are still valid by comparing them with…

Academic paper search across 11 sources with AI curation, ranked push, Zotero and Obsidian support.

MCP server for Litra.ai – AI-powered academic paper search with relevance scoring and summarization

MCP (Model Context Protocol) server for Science AI Journal tools — Pre-Check, AI Review, Research Gaps, Journal Recommender, Duplicate

GSA CALC+ awarded labor ceiling rates from more than 230,000 MAS contract records. 8 tools.

What's hot in AI right now, ranked with receipts from GitHub, HN, npm and Hugging Face.

Korean company identity, registration status and monthly payroll-based employment, in English.

8.1M+ US gov and science data via x402 USDC. 21 tools, $0.001 sample tier, sanctions, SEC, CVEs.

Search Google Books and Open Library for book metadata, covers, and publication info.

MCP server to search, inspect, and cross-reference RCSB Protein Data Bank structures

Budgeted reports and datasets with Hound, Webhound's DeepSeek V4 Pro + GPT-5.4 research harness.

MCP for ARES, the Czech business registry: lookup, due diligence, insolvency, signed provenance