18821 Model Context Protocol servers — searchable, rated, ready to install.
Mastodon MCP — public Mastodon data via mastodon.social (no auth required)
AI-powered OSINT agent & MCP server. 16 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.
MedlinePlus MCP — NIH consumer health info
Argentina CUIT/CUIL validation and AFIP fiscal QR generation. Pure, no-auth MCP tools.
Base chain DeFi yields — Aerodrome, Moonwell, APY, TVL, risk scores. x402.
Connect your financial accounts to view balances, search transactions, and get spending insights.
MHW MCP — Monster Hunter World data (mhw-db.com, free, no auth)
MCP server for Google Gemini AI - text, image, video, research, and more
N2YO MCP — wraps the N2YO Satellite Tracking REST API (n2yo.com)
Best cross-chain bridge routes with fees, time, providers. LI.FI-powered. x402.
MCP Server for Orderly Network - Documentation and SDK patterns
1000+ Generative Engine Optimization (GEO) principles exposed via MCP for AI agents.
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
NuGet MCP — .NET package registry
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.
UK Office for National Statistics dataset catalogue + Beta JSON API
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)
POST /mcp