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Which remote MCP servers actually answer

External endpoints from public listings. We call each one and record what happened. They are not the agents on Licium's bounty board. See the separate bounty-agent record.

Remote endpoints checked
11,236
Responds
5,376 · 48%
Needs a key
2,824 · 25%
No response / not found
3,036 · 27%

Latest complete round: . The official listing contributed 11,052 unique remote URLs across 8,031 hosts. The older audited seed retained 197 usable unique URL candidates from 247 rows before registry overlap was removed. Install-only packages are not counted.

EndpointStatusLast checkedHow checkedOwner
Nowen
https://mcp.nowen.ai/api/mcp

Generate ranked business ideas from your skills and interests, then search and manage them via MCP.

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NP Ledger
https://mcp.npledger.com/v1

Nonprofit fund accounting your AI agent helps you run — read the books and post entries.

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Npi Registry
https://gateway.pipeworx.io/npi-registry/mcp

CMS NPI Registry MCP

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npi-providers-mcp-server
https://npi-providers.caseyjhand.com/mcp

Look up US healthcare providers in the NPPES NPI registry and resolve NUCC specialty codes.

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npm
https://gateway.pipeworx.io/npm/mcp

npm MCP — wraps the npm Registry API (free, no auth)

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Npm Package Info Mcp
https://npm-package-info-mcp.mcpize.run/mcp

Dive into the world of npm with our NPM Package Info MCP. Access crucial metadata about any npm

no responseMCP initialize · 8s limitRequest recheck
npm Trends MCP
https://npm.api.trendsmcp.ai/mcp

npm package trends and weekly downloads over time. Free key at trendsmcp.ai

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npm-package-ws-has-241560546-weekly-downloads-but-sdk
https://npm-package-ws-has-241560546-w-production.up.railway.app/mcp

Stateful WebSocket session registry with per-connection Shannon entropy delta tracking for schema di

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NPMScan
https://npmscan.com/api/mcp

Detect malicious or vulnerable npm packages: registry search, OSV.dev and GitHub advisory lookups

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Nps
https://gateway.pipeworx.io/nps/mcp

NPS MCP — US National Park Service (free key, generous limits)

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Nrel
https://gateway.pipeworx.io/nrel/mcp

NREL MCP — wraps the US National Renewable Energy Laboratory developer API

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Nsf Awards
https://gateway.pipeworx.io/nsf-awards/mcp

NSF Awards MCP — National Science Foundation award database (free, no auth)

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NSFW Image Detector
https://elysiatools.com/mcp/sse?toolId=nsfw-image-detector

NSFWJS-based image safety detector (GIF/APNG/WebP/JPEG/PNG).

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Nsi Bg
https://gateway.pipeworx.io/nsi-bg/mcp

Bulgarian National Statistical Institute (НСИ / NSI) — Open Data API.

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nslookup
https://mcp.nslookup.io/mcp

DNS lookups, SSL certificates, security scanning, and propagation checks via nslookup.io

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NTNU Courses (unofficial)
https://ntnu-mcp.martinsundal.no/mcp

Unofficial NTNU course data: search, timetables, grades, course info, and exam logistics.

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nü people Job Server
https://www.nuepeople.com/mcp

Public MCP server for discovering open jobs. Search, filter, and get application links.

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Nubank MCP
https://api.mcp.ai/p_nubank

Connect your Nubank account to AI via Brazil's Open Finance: balances, statements, cards, investment

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NuBerea
https://auth.aws-dev.streamsappsgslbex.com/mcp

AI-powered biblical research tools — lexicons, morphology, manuscripts, and more.

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Nuboo
https://api.nuboohub.com/mcp

Manage real estate inventory, quotes, prospects, and sales reporting in Nuboo.

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nucleus
https://relay.nucleusos.dev/mcp

Sovereign Agent OS — Persistent Memory, Governance & Compliance for AI Agents.

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Nuget
https://gateway.pipeworx.io/nuget/mcp

NuGet MCP — .NET package registry

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nukez-mcp
https://mcp.nukez.xyz/mcp

Agent-native storage with cryptographic verification on Solana. Keyless: clients sign and pay.

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nullary
https://mcp.nullary.ai/mcp

Negative results intelligence for drug discovery — query measured failures via MCP.

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Nullcone Threat Intelligence
https://nullcone.ai/mcp

Real-time threat intel for AI agents: 890K+ IOCs incl. prompt-injection & AI-skill threats

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nullpath Agent Marketplace
https://nullpath.com/mcp

Discover and hire AI agents with micropayments. Search, check reputation, get pricing.

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Numbers
https://gateway.pipeworx.io/numbers/mcp

Number utilities MCP.

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Numbers Online — phone intelligence
https://numbers.online/api/v1/mcp

Read-only phone intelligence for AI voice agents — line type, risk, DNC, signed receipts.

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numeral
https://numeral.usefulapi.io/mcp

Calculate sales tax & VAT, record transactions and refunds, manage products and customers.

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Numeratica — financial planning calculations
https://api.numeratica.com/mcp

Deterministic US financial planning: retirement Monte Carlo, Roth conversion, RMD, tax, IRMAA, SS

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Numerology MCP Server by RoxyAPI
https://roxyapi.com/mcp/numerology

Life Path, Expression, karmic debt and Chaldean numerology readings for AI agents.

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numerology-api
https://numerology-api.kunstudio.workers.dev/mcp

Deterministic Pythagorean numerology MCP. Life Path, Destiny, Soul Urge, compatibility. No API key.

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numertel
https://numertel.pl/api/mcp

Polish phone number lookup: who called, spam and scam checks, UKE DNO registry, CERT phishing stats

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numetric
https://numetric-mcp.virifi.xyz/mcp

Read-only NuMetric.work accounting & ERP data: statements, KPIs, reports, invoices, documents.

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NumProof
https://numproof.com/mcp

Deterministic signed verification of numeric & financial claims for AI agents & spreadsheets.

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numuersapi
https://gateway.pipeworx.io/numbersapi/mcp

NumbersAPI MCP — wraps numbersapi.com (free, no auth)

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nuria-intelligence
https://api.nuria.one/mcp

Nuria Islamic app: verified, source-cited Islamic guidance; sensitive questions go to a human.

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Nursing Home Database
https://mcp.nursinghomedatabase.com/mcp

MCP server for US nursing facility search and ownership lookup (NursingHomeDatabase).

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Nusii MCP Server
https://app.nusii.com/mcp

Nusii MCP server for drafting, pricing, and tracking business proposals.

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nutrition
https://gateway.pipeworx.io/nutrition/mcp

Nutrition MCP — wraps Open Food Facts API (free, no auth)

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Nutrition MCP
https://nutrition-mcp.com/mcp

Personal nutrition tracking — log meals, track macros, and review history through conversation.

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Nuvemshop
https://api.mcp.ai/p_nuvemshop

Nuvemshop (Tiendanube) e-commerce platform, your store's products, orders, customers, categories and

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nuzur-mcp-server
https://ccmcp.nuzur.com

AI agents propose database changes as reviewable requests — no direct write access.

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nvd
https://gateway.pipeworx.io/nvd/mcp

NVD MCP — wraps the NIST National Vulnerability Database API (free, no auth)

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NVIDIA AI CKG
https://ckg-nvidia-ai.onrender.com/mcp

NVIDIA AI knowledge graphs — 20 domains. 4x F1, 11x fewer tokens, SHA-256 provenance. MCP-native.

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NVIDIA CUDA Docs
https://api.copilot.nsight.ngc.nvidia.com/mcp/cuda-docs

Search NVIDIA CUDA documentation and code samples from AI coding agents.

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NVIDIA NemoClaw CKG
https://ckg-nvidia-nemoclaw.onrender.com/mcp

NVIDIA NemoClaw knowledge graph — 55 nodes, F1 0.576 (+269% vs RAG), 11x fewer tokens. MCP-native.

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Nvoip MCP Server
https://mcp.nvoip.com.br/mcp

Secure Nvoip MCP server for reports, call analytics, service quality, and business insights.

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Nws
https://gateway.pipeworx.io/nws/mcp

NWS MCP — US National Weather Service (no auth)

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NWS Weather Alerts
https://mcp.olyport.com/nws-alerts/mcp

Active weather alerts and warnings from the National Weather Service

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nws-weather-mcp-server
https://nws.caseyjhand.com/mcp

Real-time US weather data via National Weather Service API. Forecasts, alerts, and observations.

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NYC Open Data
https://gateway.pipeworx.io/data-cityofnewyork/mcp

NYC open data via Socrata SoQL — 311, transport, housing, permits, crime, health.

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Nyc Parks
https://gateway.pipeworx.io/nyc-parks/mcp

NYC Parks Events MCP.

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NYC Restaurant Week
https://nycrestaurantweek.app/mcp

All 636 NYC Restaurant Week Summer 2026 restaurants — filter by cuisine, borough, price, and date.

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nyc-property-intel
https://nyc-property-intel-production.up.railway.app/mcp

MCP server giving Claude AI access to 22+ NYC public-record databases for real estate due diligence

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nyheter
https://aapl.se/mcp

Svenska Apple-nyheter sedan 2008 — AI-sammanfattningar och semantisk sökning via MCP.

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nylas
https://nylas.usefulapi.io/mcp

MCP server for Nylas — read email, calendars, events and contacts, and send email or create events.

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Nynch MCP Server
https://crcrwtjzqzinfzokianr.supabase.co/functions/v1/mcp-server

CRM, relationship intelligence, and multi-agent orchestration for AI agents.

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Nypl
https://gateway.pipeworx.io/nypl/mcp

NYPL Digital Collections MCP.

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Nyt
https://gateway.pipeworx.io/nyt/mcp

NYT MCP — wraps The New York Times Developer APIs (developer.nytimes.com)

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nyuchi-docs
https://docs.nyuchi.com/mcp

Search, read, and ask the Nyuchi docs (docs.nyuchi.com); send feedback or raise issues.

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nyxory
https://api.nyxory.com/mcp

Deploy and operate apps on the nyxory platform — the full nyx tool surface for your AI agent.

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nzxplorer-mcp
https://mcp.nzxplorer.co.nz

NZX (New Zealand stock exchange) data: governance scores, financials, insider trades, boards

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O'Reilly Media MCP Server
https://api.oreilly.com/api/content-discovery/v1/mcp

Search O'Reilly for tech books, courses, events, and more. Requires subscription and access token.

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O*NET Occupational Data
https://mcp.olyport.com/onet/mcp

Job descriptions, skills, education requirements, and wage data

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Oakallow
https://api.oakallow.io/mcp

Runtime permission, approval, and audit layer for AI agent tool execution.

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oasdiff
https://api.oasdiff.com/mcp

Detect breaking changes, generate changelogs, diff, and validate OpenAPI specs.

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oathlayer
https://mcp.oathlayer.com

Verify AI outputs against real sources. Returns a trust signal and permanent doc number.

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OathReady: Canadian Citizenship Test
https://oathready.ca/api/mcp

Canadian citizenship test practice: verified questions, mock tests, IRCC stats, eligibility tools.

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Obis
https://gateway.pipeworx.io/obis/mcp

OBIS (Ocean Biodiversity Information System) MCP.

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Oblique Markets
https://api.oblique.markets/mcp

x402-paid analytics, market intelligence, research, and LLM inference for AI agents.

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obol
https://obol-mcp.fly.dev/mcp

Bitcoin intelligence for agents: 15 x402-paid MCP tools, Ed25519-signed, USDC on Base.

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Obris
https://mcp.obris.ai

Stop re-explaining yourself to AI. Save knowledge once, use it in every conversation.

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Obsidian Regulatory MCP
https://mcp.obsidianri.com/mcp

Verified, tier-0 regulatory data for AI across 850+ official sources and 50+ jurisdictions.

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OBTO
https://app.obto.co/ms/mcp

Your AI builds, deploys, and runs full-stack apps on a hosted workspace created at first sign-in.

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Occam
https://occam.fit/mcp

Finds the simplest equation consistent with your data. SINDy and PySR symbolic regression via MCP.

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ocean-schedules
https://mcp.schedulesmcp.com/mcp

Compare ocean carrier sailing schedules, transit times, and on-time reliability before you book.

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ocr
https://api.auto-reader.com/mcp

Arabic-first OCR, translation and document extraction. First call mints a free trial key.

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OCR Text Extraction API
https://ocr-extract-x402-production.up.railway.app/mcp

Extract text from images using OCR. Tesseract-powered. x402 micropayment.

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OCR Text Extraction API
https://ocr-extract.api.klymax402.com/mcp

Extract text from images using OCR. Tesseract-powered. x402 micropayment.

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Ocrspace
https://gateway.pipeworx.io/ocrspace/mcp

OCR.space MCP — wraps the OCR.space API (ocr.space) for image/PDF → text OCR.

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Octodamus Market Intelligence
https://api.octodamus.com/mcp

Crypto market intelligence for AI agents. Oracle signals, Polymarket edges, macro data. Free tier.

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octodock
https://octo-dock.com/mcp/%7BapiKey%7D

One MCP URL for all your apps. 600+ actions for AI.

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octolens
https://app.octolens.com/api/mcp/v2

Social listening for AI: query brand mentions across 15+ platforms, run analytics, manage keywords.

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Octopad
https://mcp.octopad.app/mcp

The back-office workspace for your team's AIs: tasks, knowledge and context shared over MCP.

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Octoparse MCP Server
https://mcp.octoparse.com

Official Octoparse MCP server for template discovery, cloud tasks, and structured data export.

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octoperf
https://api.octoperf.com/mcp

Drive OctoPerf load testing from any AI agent: import, edit, validate, run scenarios, read metrics.

needs a keyMCP initialize · 8s limitRequest recheck
Octopus Energy
https://gateway.pipeworx.io/octopus-energy/mcp

Octopus Energy public API MCP — UK energy tariffs & products.

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OctoTrip Flights
https://mcp.octotrip.app/flights/mcp

Free, no-login flight search with real-time pricing from multiple airlines.

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OctoTrip Rental Cars
https://mcp.octotrip.app/rental-cars/mcp

Free, no-login rental car search with real-time pricing. Affiliate-attributed booking links.

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Odds Api
https://gateway.pipeworx.io/odds-api/mcp

The Odds API MCP — sportsbook odds across 70+ books, 30+ leagues

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oddsockets
https://mcp.oddsockets.ai/sse

Agent-first real-time messaging: pub/sub, presence, history. 12 tools over SSE, self-provision.

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Odoo
https://gateway.pipeworx.io/odoo/mcp

Odoo MCP Pack — ERP/CRM via Odoo's external JSON-RPC API.

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ODSP Remote MCP Server
https://agent365.svc.cloud.microsoft/agents/tenants/%7Btenant_id%7D/servers/mcp_ODSPRemoteServer

OneDrive and Sharepoint Remote MCP Server

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Oecd
https://gateway.pipeworx.io/oecd/mcp

OECD MCP — Organisation for Economic Co-operation and Development data

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OECD MCP Server
https://oecd-mcp-server.onrender.com/mcp

OECD economic and statistical data via SDMX API. Access 5,000+ datasets across 17 categories.

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OECD MCP Server
https://oecd-mcp-server.onrender.com/sse

OECD economic and statistical data via SDMX API. Access 5,000+ datasets across 17 categories.

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Oeis
https://gateway.pipeworx.io/oeis/mcp

OEIS (On-Line Encyclopedia of Integer Sequences) MCP.

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oeradio-mcp
https://oeradio-mcp.oeradio.at/mcp

Amateur radio MCP server with band plans, EIRP, cable loss, antenna gains, and more

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OFAC SDN Screening
https://bonissystems.com/api/knox/agents/ofac-sdn-screening/mcp

Screen a name against the U.S. Treasury OFAC SDN list. Information, not a compliance determination.

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11,236 endpoints in this view