Which remote MCP servers actually answer

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

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

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

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

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

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

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

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

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

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

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

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

NuGet MCP — .NET package registry

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

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

Number utilities MCP.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

NWS MCP — US National Weather Service (no auth)

Active weather alerts and warnings from the National Weather Service

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

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

NYC Parks Events MCP.

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

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

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

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

NYPL Digital Collections MCP.

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

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

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

Job descriptions, skills, education requirements, and wage data

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

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

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

OBIS (Ocean Biodiversity Information System) MCP.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

German grocery deal parser and multi-stop route optimizer (REWE, Aldi, DM, Rossmann, etc.).

Merchant offers with validated discounts and no bought rankings; accepting mints a voucher code.

Origin-signed US political data: 25,546 officials, bills, votes, positions with sources.

Validate oh-my-posh configurations and segment snippets against the official schema.

New Ohio business registrations: name, filing date, entity type, registered agent, address.

New Ohio business registrations: name, filing date, entity type, registered agent, address.

Sailing passage planner for the French Atlantic and Mediterranean. Free, no API key.

E-signature & document automation: create, send, track and sign documents with payments. 38 tools.

Finnish industrial supplies store. Read-only MCP with 4 tools.

OKX v5 public MCP.

Manage Olark live-chat operators and groups (teams): list, create, update, and assign to teams.

Olé Futebol — directory of places, events, and listings.

Olist Tiny e-commerce ERP (formerly Tiny ERP) with the full official REST API v3, products, stock, o

Quant sports-betting analytics: free projections, live track record, methodology (10 leagues).

OMDb MCP — IMDB-derived movie / TV / episode data (BYO key)

Financial & accounting management on Omie (Brazil's leading cloud ERP), payables/receivables, financ

Deliberation + live 5-model council divergence over the Omnarai multi-AI attributed corpus.

247 LLMs + image/video/voice/music gen + crypto/DeFi/markets/web-search. Pay-per-call USDC, no key.

Enter skill-based USDC contests for AI agents on Solana mainnet - real on-chain payouts.

Find personalized puzzle books by first name from a 100,000+ title Shopify catalog.

Paid MCP tools for onchain alpha research, X content analysis, and KOL distillation.

Pay-per-call sanctions screening and UK company checks for agents, paid in USDC via x402.

一心eSIM商品目錄查詢與下單服務：查詢各國eSIM上網方案的即時價格與庫存、依旅遊天數與用量推薦方案、協助建立訂單並取得LinePay或ECPay付款連結。

Real-time transit stops, routes, arrivals, vehicle positions, and schedules via OneBusAway APIs.

OneDrive (Microsoft Graph) MCP Pack

Remote MCP server for parsing FIX messages into UFO, FFE, and sequence outputs.

Search, inspect, pull and publish reusable AI-agent harnesses from onlyharness.com.

Read and write typed fictional worlds (22 linked element types) via the OnlyWorlds open standard.

Non-custodial value router: ranked fiat/crypto & cross-chain routes, swaps, onramp, gasless wallet.

UK Office for National Statistics dataset catalogue + Beta JSON API

x402 trust scans, readiness checks, and pre-payment verification for agents calling paid APIs.

On This Day MCP — wraps byabbe.se/on-this-day (free, no auth)

Talk to Claude and get a live web app deployed to a real URL, with Postgres, storage and cron.

Internet censorship and website reachability: OONI network measurements, keyless

Licensed, rights-cleared content for AI agents - verifiable license keys + EU AI Act attestation.

Fill standard legal agreement templates (NDAs, SAFEs, NVCA docs, employment) as DOCX files.