"Free Graph and Network Visualization Tools (No API Key Required)" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Search the FAA handbooks, advisory circulars and Airman Certification Standards (ACS) used for pilot training, and read any page in full with its figures, charts and tables. Every result links back to the exact page so answers can be cited. Free, public, no API key.
Aviation and space data: METAR/TAF, airports, space weather, aurora, asteroids, satellite passes.
Read-only astronomy calculations: sun, moon, planets, eclipses, twilight and star positions.
Space company and market intelligence from SNTL Space.
FAA written-test prep: practice questions, readiness diagnostic, METAR/TAF, drone airspace
Aircraft intelligence for AI agents: valuations with uncertainty bands, FAA registry lookups, cost of ownership, comparable aircraft, fleet search, airworthiness directives and STCs, market metrics and forecasts, verified value reports, pre-buy diligence checklists, logbook search and a watchlist. 38 tools; free tier with OAuth or a Windsock API key.
Track government and VIP jets of authoritarian regimes: flight history, airport visits, ADS-B data.
NASA space data — Near Earth Objects (asteroid tracking & hazard assessment), Space Weather (solar flares, CMEs, geomagnetic storms via DONKI), and Astronomy Picture of the Day.
Offline observational astronomy: positions, rise/set, moon phases, eclipses, and seasons.
Search FAA handbooks and Airman Certification Standards; read and cite pages with figures.
NASA data: near-Earth objects, space weather, and astronomy pictures
Fresh, clean FAA drone data: Part 107 waivers and FRIA Remote ID sites as rows, with FAA doc links.
Find craters, mountains and landing sites on the Moon, Mars and more to 3D print in OrbitStudio.
Who sits at each GEO longitude, with FCC licences, orbit freshness and disputes. Keyless.
NASA Langley Turbulence Modeling Resource (TMR) — verification and validation cases for…
CO₂ estimates for general-aviation flying: by aircraft and hours, by fleet, or by fuel.
Partial pre-check of Japan drone rules at a point/time: DID, 150 m, night, airports. Not a go/no-go.
Ask Void anything: answers with sources, plus code review, moon phases and meteor showers.
Find space and defence hardware suppliers and parts by specification, process and certification.
Orbital data center & space AI compute tracker MCP: projects, launches, orbits, alerts. 100 free/day
