MCP servers
MCP servers let AI assistants such as Claude, ChatGPT and Cursor use outside tools and data. 6,658 servers so far, found in the official MCP registry, GitHub and npm. Each fact links to where we read it.
- NimbliShort links and QR codes you can change after printing: make, edit and count their clicks.
- NinjaOrder groceries from Ninja in Saudi Arabia: search products, fill a basket, place and pay orders.
- NinjaChat MCPCreate images & video from any MCP agent — 17 models, spend limits, one URL.
- NoInfra MCPDiscover managed business agents. Private capabilities require owner authorization and eligibility.
- NoMac (all tools)Everything NoMac in one server: the Mac, the cloud iPhone and the App Store.
- NodaryLinked team workspace: AI agents read and write docs, wikis, sheets, diagrams, boards and reviews.
- NoizRead and edit your noiz link-in-bio page: views and clicks, links, name, bio and location.
- Nolavi ConnectYour Google, Meta, Microsoft, TikTok and LinkedIn ads in your AI. Changes wait for your OK.
- NomboxYour recipe box, shopping lists and meal plans, plus public recipes to discover.
- NomokCheck name availability on 70+ platforms: domains, social networks, marketplaces.
- Norway Invoices (Peppol BIS 3.0 / EHF via Storecove)Norway Peppol/EHF BIS 3.0 e-invoices for AI agents: send, check recipient, get delivery proof.
- Norway Payments (Stripe — cards / Klarna)Norway payments for AI agents — cards / Klarna via Stripe. Never holds funds.
- NotaGuardNotas fiscais eletrônicas brasileiras: consulta, análise, manifestação e emissão de NFS-e.
- NotchTurn product pages and creative briefs into finished video and image ads from your AI chat.
- NoteFitPlan and manage strength training for athletes — mesocycles, weekly volume, and shareable plans.
- NotolFree payee check for AI agents paying USDC: flags lookalike, reserved and own addresses.
- Nove: gestação semana a semanaPregnancy week by week (pt-BR), due date calculator and the Nove app's features and prices.
- NovelistPrepare complete, illustrated AI novels in 22 languages; users review and pay on ainovelist.app.
- NovumOSKanban where AI agents are first-class users — real seats, real API, no AI credit meters.
- NowenResearch companies with an AI advisor, run vendor comparisons, and generate ranked business ideas.
- NudgeBellReminders your agent creates: email, WhatsApp, SMS or call, in steps you set. Stops on acknowledge.
- NudgeLinkLinkedIn outreach in Claude or ChatGPT: campaign stats, replies, leads, drafts. Never sends.
- NuiraProfit-aware ecommerce analytics: revenue, margin, ad spend, ROAS and growth recommendations.
- NumonicSearch, organize, and publish AI-generated images and video with provenance and lineage.
- NuramemCross-model memory for people and teams: one memory every AI you use loads at session start.
- ODocs.coOne link any agent can edit: shared docs for people and AI agents, live. No login.
- OIOProjects, tickets, notes and to-dos in OIO, the freelance workspace. OAuth sign-in, Pro plan.
- OKForestYour organization's knowledge as OKF trees in Git, for AI assistants to search, read, and cite
- ONCEMusic distribution for agents: upload, AI-check, submit and track releases on ONCE.
- OathReady: Canadian Citizenship TestCanadian citizenship test practice: verified questions, mock tests, IRCC stats, eligibility tools.
- ObraAbertaRead-only MCP tools for public works, builders, ratings, timelines and nearby services in Brazil.
- ObrisStop re-explaining yourself to AI. Save knowledge once, use it in every conversation.
- Observatório BRIndicadores econômicos oficiais do Brasil (IBGE, Banco Central, Tesouro) com fonte e período.
- Octagon CardsFind UFC cards, read saved estimates and recorded sales, and compare sales of related editions.
- OctoTrip FlightsFree, no-login flight search with real-time pricing from multiple airlines.
- OctoTrip Rental CarsFree, no-login rental car search with real-time pricing.
- OctopadThe AI brain for builders: ChatGPT, Claude and your other AIs share one workspace and one method.
- Off CameraTurn your website into TikTok, Reels and Shorts posts, and plan them on your accounts.
- OffersMerchant offers with validated discounts and no bought rankings; accepting mints a voucher code.
- Official Finance Data MCPCited company financials from SEC filings, BLS economic series and U.S. Treasury data.
- Oh DearWebsite monitoring: uptime, SSL certificates, broken links, DNS, cron jobs and status pages.
- OiAir activitiesFind children's activities in Florianópolis, read published conditions and get request-form links.
- OkapiBreaking changes of third-party APIs: check your code's API calls before they break.
- Oktio.appInstagram analytics, media kits, bio link and brand deals for creators, from your AI assistant.
- OlharySearch Brazil's public tenders, check company sanctions and find catalog codes on Olhary.
- Olothea — Collective Mind & Human–AI ResearchEmerging human–AI knowledge network: shared research, collective intelligence and peer review.
- Oman Payments (Tap Payments — cards / Apple Pay)Oman payments for AI agents — cards / Apple Pay via Tap Payments. Never holds funds.
- OmniaAuto — Canadian Vehicle ListingsLive Canadian vehicle listings, VIN decode and market valuations, province by province.
- One's VibeSearch a curated gallery of live, tryable AI-built products for prior art. Read-only, no auth.
- OneDroid EngramVersioned agent memory in your own Postgres: portable context, permissioned, audit trail.
- OneSchema MCP ServerMCP server that lets AI assistants use all OneSchema features exposed via the public API.
- OnhandFree local shop search, no sign-in: addresses, hours, contacts and source-labelled offering details.
- Online-Druck.biz (ODB) – Druckprodukte / Print productsDruckprodukte suchen, konfigurieren, bepreisen / Search, configure, price print products
- OnlineFitness.appManage fitness coaching clients, workouts, programs, chats and funnels from your assistant.
- OnlyFontsFind free, openly licensed fonts by style, use or language, and get the CSS to use them.
- OnsaFind scored B2B leads, read campaign replies and send approved LinkedIn outreach.
- OnsombleTrack how AI assistants talk about your brand and market, and learn how to show up better.
- Open PaddockFind motorcycle track days in the US, Canada and Mexico by place, date, circuit or organiser.
- Open SolidBanking for AI agents: wallet, US bank account, prepaid cards, and Venmo, PayPal, and bank payouts.
- OpenCancerCancer patient expert: NCCN-grounded answers with sources, recruiting trials, and expert review.