SpaceNexus space data

Connect it to your AI

Claude Code

claude mcp add --transport http spacenexus https://spacenexus.us/api/mcp

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://spacenexus.us/api/mcp

This server expects extra headers, usually an API key from its maker.

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "spacenexus": {
      "url": "https://spacenexus.us/api/mcp"
    }
  }
}

Tools it offers

14 tools, as the server itself reported during our check on Oct 31, 2026.

• next_launchesUpcoming orbital launches from the SpaceNexus manifest (the next 50 scheduled), filterable by provider, rocket, launch site and country. Each launch has its NET date and precision, status, the date changes our ledger rec
• launch_slipsRecent launch date changes as the SpaceNexus slip ledger recorded them (old date, new date, size of the move, kind of move), with totals since recording began and the provider scorecard once the ledger is large enough. E
• launch_on_time_recordHow often launches fly on time: the share of flown launches that lifted off within 1 day and within 7 days of the first firm date on record, with mean and median delay, grouped by provider, vehicle or launch site.
• recent_funding_roundsClosed private funding rounds into space companies in the last 90 days, newest first, with amount (null when undisclosed, never estimated), stage, investors, how the round is evidenced and its source link.
• company_lookupPublic profile facts for a space company: what it does, sector, country, headquarters, founding year, public or private, ticker, funding and last round as shown on its profile (for a listed company the funding figure is
• space_weather_nowCurrent geomagnetic Kp and NOAA G-scale, solar wind speed, density and Bz, the NOAA 3-day flare outlook and flares in the last 14 days, with a plain-language read for satellite operators. NOAA SWPC and NASA DONKI data.
• moon_race_statusThe US vs China Moon race tracker: milestones demonstrated on both 8-rung ladders (crewed landing and sustained presence), who leads each, the projection call with its date bands, official targets and the next uncrewed l
• space_jobs_countHow many open roles the SpaceNexus jobs board lists right now (mirrored daily from employers' careers pages), how many employers are hiring, how many roles are new this week or remote, and optionally one employer's open
• search_siteSearch spacenexus.us: companies, rockets, launches, launch sites, guides, charts, Moon missions, funding rounds and analysis. Returns titles, one-line descriptions and the canonical URL of each page.
• launch_ledger_recordNeeds a SpaceNexus API key (a free key is enough). The full Launch Ledger record: every launch date change our ledger holds since recording began, one row per launch per UTC observation day, with the observation fields (
• promise_ledger_entriesNeeds a SpaceNexus API key (a free key is enough). Entries from the SpaceNexus Promise Ledger: dated public commitments about spaceflight by agencies, companies and executives, each with the verbatim quote, who said it a
• dataset_linksNeeds a SpaceNexus API key (a free key is enough). The bulk SpaceNexus datasets: for each one its CSV and JSON download links, what it holds, its columns, its licence statement, its DOI when minted and the page that show
• funding_round_historyNeeds a SpaceNexus API key on the Professional or Research plan. The full published history of private funding rounds into space companies, not only the last 90 days: date, amount (null when undisclosed or stated only ap
• space_score_historyNeeds a SpaceNexus API key whose owner has SpaceNexus Research (the Space Score history is a Research product). One company's daily Space Score readings for up to 365 days: score, rank, the change from the previous readi

Questions