"Identifying Servers Without Any API Key Configuration" matching MCP connectors:

AI-readable directory of 3,500+ local businesses across 14 Southeast Asian cities.

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

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.

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

Search verified local businesses, check what their verification proves, and message them.

Real events, reviewed places, and ticket checkout across the Caribbean and Latin America.

Free solar and home-energy tools: incentives, estimates, scores, guides, quotes, installers.

Per-call data for agents: graded behavioural science, dark-pattern detection, web fetch, geocode.

Address validation & geocoding for AI agents: 240+ countries, UK PAF, free US/CA enrichment

AI scenic routing engine: byways, lookouts, itineraries, real drive planning. Zero hallucinations.

Plot an AI-planned road trip onto an editable Stopful map — drive times, hotels & EV chargers.

Timezone tools for agents: convert, world clock, offset, lookup, date math, holidays, slots. x402

Read-only MCP server for HolyDB: find Catholic parish Mass times by location and time.

Generate styled PNG/SVG map images of any location with 11 customizable color themes.

Field-verified China travel facts for foreign visitors: booking walls, hotel registration, transit.

Search AI-powered audio tours and points of interest by city. Walking, cycling, and driving tours.

Walk, bike, and transit travel times from every US census block to nearby amenities.

Discover Swedish MSK clinics on fysio.care: search clinics, services, and open appointment times.

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