"Services or tools that don't require a separate API key" matching MCP connectors:

Check shipping costs for all logistics services in Indonesia.

APILayer MCP Adapter turns APILayer's REST APIs into Model Context Protocol tools so any MCP-compatible client can call them directly in conversation. The first release ships ipstack IP geolocation and security lookups (single IP, caller's IP, and bulk). Additional APILayer services are added by registering them in a single config file, so the catalog grows without client-side changes.

AI-readable directory + commerce layer: 3,500+ SEA businesses, plus products from verified stores.

City geocoding and timezone resolution for birth data, for AI agents, one API key.

Search thousands of verified US local service providers across 10 home-services trades, including crawl space repair, floor coating, radon mitigation, commercial electrical, and laundry services. Returns ratings, services, pricing, descriptions, and profile links. Every result passes a completeness gate, so listings are never half-empty.

US crime scores, incidents, neighborhood demographics, rent data, and offender search by address.

MCP server for the Philippine Standard Geographic Code (PSGC) API. Gives AI agents structured access to the full PH geographic hierarchy - regions, provinces, cities, municipalities, and barangays.

Turn a trip planned in conversation into a private, editable map link you hand the person.

Lviv public transport MCP: stops, timetables, routes, and live vehicle positions. No API key.

Swiss weather data for AI assistants — forecasts, measurements, stations, pollen.

A loc_id to its bounding box, centroid, and polygon, with its name and admin level.

Free solar & home energy tools: estimates, incentives by ZIP, scores, installer routing.

Moon phases, moon signs, full/new moon dates 1900-2100, moonrise/moonset for any coordinates.

Verified local businesses, bookable by AI agents: services, prices, availability and appointments.

US tariff & trade truth: duty actually paid by origin/HS 2017+, HTS rulebook, CBP rulings. No key.

Find verified electricians in Antalya, Turkey. Prices from real jobs, confirm-first requests.

AI access to Mapbox docs, API references, style specs, and guides. No token required.

Find public badminton activities and venues in New Zealand through a read-only MCP server.

Portugal real estate search — 224,000+ listings, commute times and market prices

Search 18000+ verified restaurants and bars across 20 cities, each with a 0-100 Quality Score, venue detail, curated lists and Trip Saving