MCP servers
MCP servers let AI assistants such as Claude, ChatGPT and Cursor use outside tools and data. 5,683 servers so far, found in the official MCP registry, GitHub and npm. Each fact links to where we read it.
- NaumuSearch, extend, and act on your team's Naumu knowledge graph: notes, threads, and nodes.
- NauroDecision system for software built with AI
- NausikaMediterranean marine, nautical, sailing: forecasts, tides, sea routes, anchorages, POIs for AI.
- NeedToFindReverse marketplace: post what you want, search wanted ads, and message sellers privately.
- NeedleFind perfect leads and run outreach campaigns on Linkedin, email, Instagram and more.
- NetGrant — Canadian fundingSearch 1,300+ live Canadian funding opportunities — grants, tax credits, accelerators, and loans.
- NetSuite Link (beta)BETA — Run SuiteQL, read/write NetSuite records, query SuiteAnalytics, and run saved bookmarks.
- NeuralVergeStructured, cited, real-world data from 300+ sources and the open web for your AI agents.
- News Sentiment APINews sentiment score trends for any topic over time. Free key at trendsapi.ai
- News Sentiment Trends MCPNews sentiment scores over time, with growth for any topic. Free key at trendsmcp.ai
- News Volume APINews article mention volume trends for any topic. Free key at trendsapi.ai
- News Volume Trends MCPNews article volume over time, with growth for any topic. Free key at trendsmcp.ai
- NimrodWeb search with quality scores; web pages are read on your computer by the local server.
- Ninar AIAudit your brand's visibility across ChatGPT, Gemini, Claude, Perplexity + 6 more engines.
- NoemicSomeone to talk to, for your user: coaches, mentors, accountability partners. First session free.
- Norma by Quality CloudsChecks AI-written code against your rules as it is written, and keeps a record of what it found.
- Nourva MindYour private memory across AI apps: recall your context and continue saved work, only when you ask.
- NovenceHosted MCP for creating, checking, deploying, and hosting static sites for AI agents.
- NpmjsAn MCP Server so Cursor can build things from REST API docs
- NumRadarCheck whether phone numbers are registered on WhatsApp, from your AI agent.
- NyayAssistIndian legal research, judgments and Acts, drafting, translation, matters and due diligence.
- OBTOYour AI builds, deploys, and runs full-stack apps on a hosted workspace created at first sign-in.
- OceanToken500+ AI models in one account: find and price models, make images, video, speech and text.
- OffendersearchSearch US sex-offender registries and criminal records, with per-source citations.
- Ogave SMSQuote, send and track SMS, campaigns, contacts and Verify codes, with a confirmation before sending.
- OhMyBugCode review for your coding agent's changes: a cloud bug hunt. From $4; $0 if clean or minor-only.
- OheyLook up hosts in the Ohey web malware feed, read CVEs and scan URLs with Ohey's scanner.
- OllavShare HTML prototypes as live links; read element-pinned review comments; publish new versions.
- OmamoFind, read, and save your Omamo links and notes from Claude, ChatGPT, Cursor, and other AI apps.
- Omni CreatorOmni Creator is an AI Photo Editor Online free to try.
- OmniSignalLive market intelligence & AI content strategy: trends, competitor moves, content calendar.
- On va où ? Routing APIAddress geocoding and bike, scooter, motorcycle, wheelchair and walking routes across Europe.
- OneFind, document and execute authenticated API calls across 1000+ apps via one MCP server
- One1 Trademark Risk CheckTrademark conflict, logo look-alike and TRO enforcer checks for cross-border sellers.
- OneLoreShared project context for AI agents and teams: docs, tasks, and messages that stay current.
- OnepinAI Voice Production Agent: picks from 30+ TTS models, fixes pronunciation, validates every line.
- OneprofileFind prospects, research them, and run email and LinkedIn outreach in your Oneprofile workspace.
- OntoloopTeam agent collaboration: shared team facts, human-confirmed writes, tasks and threads over MCP.
- OpenArxOpen scientific and engineering knowledge for AI agents: search, evidence, document publishing.
- OpenCaseLaw — Swiss Caselaw, Statutes & Doctrine1M+ Swiss court decisions, statutes & doctrine with citation graph (DE/FR/IT). CC0, free, 42 tools.
- OpenMayhemUse OpenMayhem text, embedding and media models with explicit cost controls.
- OpenSwitchboardYour AI posts what you want or have. You are introduced anonymously to whoever has the other half.
- OpenWebhookInspect webhooks from Cursor or Claude. No account needed. Pro adds permanent slugs.
- OpenleadB2B lead generation and prospecting: find companies like your customers and the people to contact.
- OportunidadosEmpresas do Brasil (CNPJ) e CRM da Oportunidados: busca, ficha completa, conta e funil.
- Option DeskOption analytics over the SYNTH sample or a permitted chain: Greeks, positioning, payoffs, plots.
- OrgGen AIHuman-agent interface for projects: you prioritize and decide, your AI agents execute. Over MCP.
- OrphexAnalyze ad performance across platforms and execute changes after your approval.
- Ostrov retreat centerPublic retreat information, calendars and preliminary accommodation quotes for Ostrov in Karelia.
- Otto Data — Robinhood ChainLive Robinhood Chain tokenized-stock data: basis vs NASDAQ, gaps, pools, whale flows.
- OurAgents.chatLasting public addresses and threaded messages between AI agents, across apps and machines.
- OutlitAsk about any customer and get one matched record across CRM, billing, support and product data.
- OutsetAI-moderated research platform: create and launch studies and query interview results.
- OverwingGuardrails for LLM output: pass / fail / review verdicts and one recommended action. Hosted or npm.
- OwnMemoryEncrypted memory for Claude, on a server you deploy to your own Cloudflare account.
- PCD (Portable Context Deck)Your portable context layer — load it into any AI.
- PDS Project AI MPP ConnectorRead, analyze, and safely edit Microsoft Project MPP files.
- PLCs.aiQuery Allen-Bradley and Siemens PLC projects, live tag values, and analyses in plain English.
- PakBusBus and metro journeys, departures, routes, fares and service changes in Pakistani cities.
- PalmyrAgent infra: email, phone, social, domains, VPS, wallets. Paid per-action via x402, no API key.
