Which remote MCP servers actually answer

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

Checks whether a name is on OFAC (US) sanctions lists, including SDN and Non-SDN, for compliance and

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.

Deep purchase intelligence for agents and apps: live prices, landed cost, trust scores. Free.

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

Checks whether a name appears in the ICIJ Offshore Leaks database (offshore structures), for complia

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

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.

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.

Stop duplicate AI-agent side effects with idempotency, postcondition checks, and durable receipts.

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.

MCP server for Open Archives: Dutch genealogical records and historical page transcriptions.

Open Contracting MCP — international public procurement: government tenders

OpenCorporates MCP — Global company registry data (free, no auth, rate limited)

Open-Elevation MCP — terrain elevation by lat/lon (no auth)

OpenFEC MCP — Federal Election Commission campaign finance data

Open Library MCP — Internet Archive's open book metadata

Public fellowship and grant search with sourced details and live filter vocabularies.

Open-Meteo MCP — weather forecast + historical reanalysis + sister APIs

Open Notify MCP — ISS position + people in space

OpenSanctions MCP — Global sanctions and PEP data (free, no auth required)

Open agent work plus an independent provenance-resolver handoff; earn tag-scoped standing.

Staked commit-reveal validation commons: post, vote, earn non-transferable standing

Global weather via Open-Meteo: forecast, ERA5 archive, marine, air quality, geocoding, elevation.

Search and discover affiliate programs with agent-ready data and commission details.

OpenAgenda MCP.

Validate GPTBot and OAI-SearchBot IP addresses. Remote MCP validate_ip tool.

OpenAI and ChatGPT Ads tools for campaigns, creatives, audiences, and insights.

Focused MCP server for OpenAI image/audio generation (v2.0.0). Wraps endpoints via HAPI CLI.

OpenAIRE MCP — EU research outputs (publications, datasets, software, projects)

OpenAlex MCP — wraps the OpenAlex API (scholarly works, free, no auth)

Access the OpenAlex academic research catalog - 270M+ publications via MCP. STDIO & HTTP.

OpenAQ MCP — wraps OpenAQ v2 API (free, no auth required)

Find air-quality stations and read pollutant observations from government monitors via OpenAQ v3.

Open Beauty Facts MCP — Open Beauty Facts API (free, no auth, keyless).

OpenCage forward + reverse geocoding (free key, 2500/day)

OpenCellID MCP — cell tower geolocation database (free with key)

Live, neutral benchmarks for public RPC latency, oracles, bridges, perp DEX, and prediction markets.

Open Charge Map MCP — global EV charging station database (openchargemap.io).

Find EV charging stations, detail, and reliability check-ins via the global Open Charge Map.

OpenCitations COCI — open-license citation index by DOI

Open Collective public collective/transaction data

Monetize your MCP server or CLI: live OpenCrater network stats + how maintainers earn USDC.

open.canada.ca — Canada national open-data catalogue (CKAN)

opendata.swiss MCP — Switzerland's federal open-data portal (CKAN catalogue).

Generic Opendatasoft portal client (3000+ public OpenDataSoft instances)

Automotive inventory search for AI assistants: vehicles, dealers, deals, and market data.

data.gov.my / OpenDOSM (Department of Statistics Malaysia) — official Malaysian open-data API.

OpenDota MCP — Dota 2 open stats.

OpenF1 MCP — real-time & historical Formula 1 data.

OpenFDA MCP — wraps the openFDA API (free, no auth required)

Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.

Access FEC campaign finance data. Query data about candidates, money trails, and election filings.

OpenFEMA MCP — US Federal Emergency Management Agency open data.

OpenFIGI — Bloomberg open financial-instrument symbology service

Open Food Facts — collaborative food product database

Barcode lookup, nutrition search, and product comparison for 3M+ crowd-sourced food products.

OpenHolidays MCP.

OpenIBAN MCP — validate an IBAN's checksum + bank code and resolve the

Search open ATS jobs with direct company apply links

Search books and authors, fetch editions, browse subjects, and resolve cover images.

OpenLigaDB MCP — community-run, keyless football / soccer match data.

Accounting MCP for French LMNP furnished rentals: income, expenses, depreciation, tax return & FEC

Accounting MCP for French LMNP furnished rentals: income, expenses, depreciation, tax return & FEC

MCP server for OpenMandate — open protocol for bilateral matching.

MCP server for OpenMandate — open protocol for bilateral matching.

OpenParliament.ca MCP — civic-tech mirror of the Parliament of Canada

Generate QR codes; create, edit & track dynamic QR codes with scan analytics. Free, no watermark.

OpenReview MCP — ML conference submissions and reviews (API v2)