"Examples of MCPs (Microservices Communication Protocols) That Do Not Require API Keys" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Search hotels worldwide, compare live room rates and cancellation terms, and create unpaid booking payment links. Requires a Fortrip account with OAuth sign-in; users complete payment on Fortrip, and the connector never collects card details.
Real Amazon (US, UK, DE, CA, AU) & Walmart shopping data for AI assistants: ranked product shortlists, current prices, live stock, real ratings, and price/BSR history from a 17M+ product warehouse. Free hosted endpoint, no signup — 30 queries a day.
Belgian supermarket deals and regular prices (Colruyt, Delhaize, Aldi...): where it's cheapest.
Dutch supermarket deals and regular prices (Albert Heijn, Jumbo, Lidl...): where it's cheapest.
App Store and Play downloads and charts over time, Android uses bundle ID. Free key at trendsmcp.ai
Cheapest legit PC and console game keys across stores in 40 countries, plus deals and free games.
Facebook & Instagram data for AI agents: pages, posts, groups, ads, Marketplace, profiles, reels.
Find local businesses across Cape Town, the Winelands and the rest of the Western Cape. Search by service or name, see menus and price lists in rand, then start a booking, quote or order in WRDO.
Ask about your own Meta (Facebook and Instagram) ad account right in Claude, ChatGPT or Cursor. Run1Ads checks your ads, Pixel and store every hour and tells you the one fix that matters today, ranked by buyers lost, with exact steps. It advises only and never changes your ads. Free for a limited time.
Search and book 3M+ hotels in 200+ countries. Agents pay per reservation in USDC on Base over x402. Hosted, no auth.
Dimensional weight, parcel fit, landed cost and freight class. 4 of 6 tools free.
Check a product CSV, handles, variant matrices and metafield keys. 4 of 6 free.
Get date-specific quotes and book private UK airport and cruise-port transfers through your AI assistant. Compare vehicle options, validate flights, retrieve bookings, amend details and cancel with customer confirmation. No registration required to start, subject to service limits; optional API-key and OAuth access for registered integrations. Transfer fares are payable separately and cancellation conditions apply. Live demo and connection instructions: https://ai.airport-pickups-london.com/ Technical documentation: https://mcp.airport-pickups-london.com/docs
Analyze inventory levels and optimize stock allocation to reduce waste and avoid stockouts.
Processor fees, charge-to-net, invoice totals and proration. 3 of 6 tools free.
Search live software, compare listings, and prepare owned drafts. Publishing stays on the website.
Neutral freight reference + validation layer for AI agents: ADR, HS, UN/LOCODE, freight math
Forecast product demand using historical sales and market signals.
Margin, lead time, SKU mapping and price-ladder maths for dropshipping. 4 of 6 free.
Check the customs side of selling online across borders.