Verified directory
MCP Server Directory
Search Registry metadata and see exactly what our independent monitoring has verified.
44,846 matching servers
Operational
npm-package-ws-has-241560546-weekly-downloads-but-sdk
io.github.nexus-mcp-infra/npm-package-ws-has-241560546-weekly-downloads-but-sdk
Stateful WebSocket session registry with per-connection Shannon entropy delta tracking for schema di
560 ms latency— 24h
Operational
Nps
io.github.pipeworx-io/nps
NPS MCP — US National Park Service (free key, generous limits)
1326 ms latency100% 24h
Down
Nrel
io.github.pipeworx-io/nrel
NREL MCP — wraps the US National Renewable Energy Laboratory developer API
81 ms latency0% 24h
Operational
Nsf Awards
io.github.pipeworx-io/nsf-awards
NSF Awards MCP — National Science Foundation award database (free, no auth)
1155 ms latency100% 24h
Operational
Nsi Bg
io.github.pipeworx-io/nsi-bg
Bulgarian National Statistical Institute (НСИ / NSI) — Open Data API.
1594 ms latency100% 24h
Operational
NTNU Courses (unofficial)
io.github.MartinSA04/ntnu-mcp
Unofficial NTNU course data: search, timetables, grades, course info, and exam logistics.
783 ms latency— 24h
Operational
Ntsb Investigations
io.github.pipeworx-io/ntsb-investigations
NTSB Investigations — aviation accident/incident investigations by
1345 ms latency100% 24h
Operational
nü people Job Server
io.github.nu-people/nue-people-jobs
Public MCP server for discovering open jobs. Search, filter, and get application links.
740 ms latency— 24h
Operational
nu:legal Deutsches Recht
eu.nulegal/recht
German federal and Land statutes plus court decisions for agents. Keyless, read-only, CC BY 4.0.
801 ms latency— 24h
Auth required
NuaSense Agricultural Data
com.nuasense/agri-data
East African agriculture: fertilizer and crop prices, satellite demand, news, farm sensors.
1036 ms latency— 24h
Operational
Nubank MCP
io.github.mcp-dir/nubank-mcp
Connect your Nubank account to AI via Brazil's Open Finance: balances, statements, cards, investment
7741 ms latency— 24h
Auth required
NuBerea
com.streamsapps/nuberea
AI-powered biblical research tools — lexicons, morphology, manuscripts, and more.
195 ms latency— 24h
Auth required
Nuboo
io.github.gitlares/nuboo
Manage real estate inventory, quotes, prospects, and sales reporting in Nuboo.
141 ms latency— 24h
Operational
nucleus
io.github.eidetic-works/nucleus
Sovereign Agent OS — Persistent Memory, Governance & Compliance for AI Agents.
2004 ms latency— 24h
Auth required
NudgeLink
co.nudgelink/nudgelink
LinkedIn outreach in Claude or ChatGPT: campaign stats, replies, leads, drafts. Never sends.
447 ms latency— 24h
Operational
nuditok
com.nuditok/nuditok
Search adult porn video (NSFW, 18+): nude clips, creators, hashtags. Read-only, no API key.
968 ms latency— 24h
Auth required
Nuelink
com.nuelink/mcp
Draft, schedule and publish social media posts to 12 networks from your AI assistant.
56 ms latency— 24h
Operational
Nueve de Diciembre — River Plate
com.nuevedediciembre/river-plate
Noticias, historia, palmarés y estadísticas de River Plate. Sitio de hinchas, no oficial.
331 ms latency— 24h
Operational
Nuget
io.github.pipeworx-io/nuget
NuGet MCP — .NET package registry
1162 ms latency100% 24h
Auth required
NugIt
io.github.matthewrusk/nugit
Save selected AI-generated answers as private Nugs in your personal NugIt library.
2382 ms latency— 24h
Auth required
Nuira
ai.nuira/nuira
Profit-aware ecommerce analytics: revenue, margin, ad spend, ROAS and growth recommendations.
284 ms latency— 24h
Operational
nukez-mcp
io.github.ZlaylowZ/nukez-mcp
Agent-native storage with cryptographic verification on Solana. Keyless: clients sign and pay.
186 ms latency— 24h
Operational
nullary
ai.nullary/nullary
Negative results intelligence for drug discovery — query measured failures via MCP.
369 ms latency100% 24h
Operational
Nullcone Threat Intelligence
io.github.maco144/nullcone
Real-time threat intel for AI agents: 890K+ IOCs incl. prompt-injection & AI-skill threats
302 ms latency— 24h