Research MCP Servers for Gemini CLI

294 public-data tools across 60 domains; source freshness varies. Free tier.

Grounds LLMs in the real Livonian dictionary: attested words, inflections, romanization.

Pay-per-call where-and-when-to-operate signals from official local statistics.

Query and summarize research data across tests and surveys

Macau Statistics MCP — DSEC (Directorate of Statistics and Census Services)

Find parent companies, PE backers, corporate families, and portfolio siblings for any company.

Open agentic-web datasets: Agent Trust Index, MCP stats, incident timeline. Read-only, CC-BY-4.0.

Consumer demand signals across search, shopping and social. Free key at trendsapi.ai

What your rivals' users ask for, counted by distinct account, link on every line.

Connect your Zotero reference library to AI assistants via Model Context Protocol.

Read-only MCP for the humanista.digital directory, Radar and Observatory.

Mean solar noon UTC-hour band

GRADE-rated clinical evidence on cannabis as medicine (DE/EN). Search and cite studies.

US/EU and Brazil policy signals, trajectories, actors, people and edits, with sources; cited Q&A

Patent search and company IP portfolio data

The Metropolitan Museum of Art Collection MCP.

MGnify — EMBL-EBI's metagenomics resource: public microbiome studies, the biome vocabulary they…

Critical minerals and rare earths: supply risk, trade flows, counterparties and sourced research.

AI-optimized patent data marketplace providing structured JSON datasets.

Search, sample and query open reproducible datasets published as immutable Parquet with schemas.

Claim-level provenance preflight for sanitized nonfiction passages; automated triage only.