18735 Model Context Protocol servers — searchable, rated, ready to install.
Narodowy Bank Polski (National Bank of Poland) Web API MCP. Keyless.
Execute Python, JavaScript, SQL code in a sandbox. x402 micropayment.
NREL MCP — wraps the US National Renewable Energy Laboratory developer API
NSF Awards MCP — National Science Foundation award database (free, no auth)
NuGet MCP — .NET package registry
Persistent project memory for LLMs via SQLite. Never re-explain your project again.
USASpending.gov federal contracts, subawards, recipients, agencies. 55 tools.
x402-gated safety checker for npm/PyPI packages before you npm install / pip install.
Search anime/manga, franchise watch order, schedule, characters, rankings, studio filmography.
Internet censorship and website reachability: OONI network measurements, keyless
Passive external attack-surface mapping: CT subdomains, DNS, TLS, HTTP posture, RDAP/WHOIS, Shodan.
Search and retrieve bioRxiv and medRxiv preprints — by DOI, date interval, or keyword — via MCP.
OpenAQ MCP — wraps OpenAQ v2 API (free, no auth required)
Open Beauty Facts MCP — Open Beauty Facts API (free, no auth, keyless).
Agent-safe Excel workbook analysis, editing, recalc, and verification tools.
Manage Google Play Console: releases, listings, monetization, reviews, and Android Vitals.
Read-only MCP server for Hostaway PMS — guest conversations, reservations, and listings
Find NYC public restrooms and their latest Parks inspection status, from NYC Open Data
Search USGS and EMSC seismic data — real-time feeds, event queries, and earthquake counts.
ORCID public researcher records (works, employment, education)
Android MCP — ADB-based device, apps, UI, logcat, emulator, files, system, debug
Convert currencies, get FX rates, and query historical ECB exchange rate data.
Paleobiology Database (PBDB) MCP — the global fossil record. Keyless.
FBI Crime Data Explorer — UCR estimates, NIBRS breakdowns, hate crimes, arrests, and agency data.
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