MCP Server
SpaceNexus space data
us.spacenexus/spacenexus
What this MCP does
Provides read-only data on space launches, schedule changes, funding, companies, jobs, space weather, and Moon missions.
Capabilities
Tools
14
tools
company_lookup
Company lookup
Public profile facts for a space company: what it does, sector, country, headquarters, founding year, public or private, ticker, total funding and last round as shown on its profile, and its Space Score when it is ranked.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['query'], 'properties': {'limit': {'type': 'integer', 'default': 3, 'maximum': 5, 'minimum': 1, 'description': 'How many matching companies to return (1 to 5).'}, 'query': {'type': 'string', 'maxLength': 80, 'minLength': 2, 'description': 'Company name, profile slug or stock ticker, e.g. "Rocket Lab", "rocket-lab" or "RKLB".'}}, 'additionalProperties': False}
dataset_links
SpaceNexus dataset links
Needs 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 shows it, plus the Promise Ledger CSV. The downloads themselves need no key.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {'dataset': {'type': 'string', 'maxLength': 60, 'minLength': 1, 'description': 'One dataset by slug or a word of its title, e.g. "launch-slips" or "funding".'}}, 'additionalProperties': False}
funding_round_history
Funding round history
Needs 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 approximately, never estimated), series and round type, pre- and post-money valuation where the source names the basis, lead investor and every listed investor, how the round is evidenced and its source link. Filter by company, investor, stage, dates and amount; page with offset.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {'limit': {'type': 'integer', 'default': 25, 'maximum': 25, 'minimum': 1, 'description': 'How many rounds to return (1 to 25).'}, 'since': {'type': 'string', 'pattern': '^\\d{4}-\\d{2}-\\d{2}$', 'maxLength': 10, 'description': 'Rounds dated on or after this day (YYYY-MM-DD).'}, 'stage': {'type': 'string', 'maxLength': 40, 'minLength': 1, 'description': 'Round stage or series label (substring), e.g. "Seed", "Series B".'}, 'until': {'type': 'string', 'pattern': '^\\d{4}-\\d{2}-\\d{2}$', 'maxLength': 10, 'description': 'Rounds dated on or before this day (YYYY-MM-DD).'}, 'offset': {'type': 'integer', 'default': 0, 'maximum': 10000, 'minimum': 0, 'description': 'Rounds to skip, for paging (0 to 10000).'}, 'company': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Company name or profile slug (substring).'}, 'investor': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Investor name: matches the lead investor or any listed investor (substring).'}, 'min_amount_usd': {'type': 'number', 'maximum': 1000000000000, 'minimum': 0, 'description': 'Only rounds with a disclosed amount at or above this, in US dollars.'}}, 'additionalProperties': False}
launch_ledger_record
Launch Ledger full record
Needs 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 (live or catch-up, the catch-up reason, Launch Library 2's last-updated time), both dates at their precision and its basis, the size and kind of the move, and whether it counts as a slip. Filter by launch, provider, rocket, observation, kind and day; page with offset. The same rows as the free launch-slips dataset.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {'kind': {'enum': ['slip', 'pull-in', 'adjust', 'firmed', 'loosened', 'placeholder'], 'type': 'string', 'description': 'Only this kind of move: slip, pull-in, adjust, firmed, loosened or placeholder.'}, 'limit': {'type': 'integer', 'default': 25, 'maximum': 25, 'minimum': 1, 'description': 'How many rows to return (1 to 25).'}, 'since': {'type': 'string', 'pattern': '^\\d{4}-\\d{2}-\\d{2}$', 'maxLength': 10, 'description': 'Only changes observed on or after this UTC day (YYYY-MM-DD).'}, 'launch': {'type': 'string', 'maxLength': 120, 'minLength': 1, 'description': 'One launch: its name or mission (substring, e.g. "Starship Flight 14") or its Launch Library 2 id.'}, 'offset': {'type': 'integer', 'default': 0, 'maximum': 10000, 'minimum': 0, 'description': 'Rows to skip, for paging (0 to 10000).'}, 'rocket': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Only launches of this rocket (substring).'}, 'provider': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Only launches by this provider (substring or common short name, e.g. "ULA", "CASC").'}, 'observation': {'enum': ['all', 'live', 'catch-up'], 'type': 'string', 'default': 'all', 'description': 'live: changes our sync saw when they happened; catch-up: changes it only caught up with late; all: both.'}}, 'additionalProperties': False}
launch_on_time_record
Launch on-time record
How 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.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {'name': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Only groups whose name contains this text, e.g. "SpaceX" or "Falcon 9".'}, 'limit': {'type': 'integer', 'default': 10, 'maximum': 25, 'minimum': 1, 'description': 'How many groups to return (1 to 25).'}, 'group_by': {'enum': ['provider', 'vehicle', 'site'], 'type': 'string', 'default': 'provider', 'description': 'Group the on-time record by launch provider, vehicle or launch site.'}}, 'additionalProperties': False}
launch_slips
Launch slip ledger
Recent 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. Each change carries observation: live (our sync saw it when it happened) or catch-up (our sync only caught up late, so observedAt is when we saw it, not when it changed). Caught-up changes are returned apart in caughtUpChanges and never counted in the summary figures.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {'limit': {'type': 'integer', 'default': 10, 'maximum': 25, 'minimum': 1, 'description': 'How many recent date changes to return (1 to 25).'}, 'rocket': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Only moves of this rocket (substring).'}, 'provider': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Only moves by this provider: a name or common short name (ULA, ISRO, CASC).'}, 'real_moves_only': {'type': 'boolean', 'description': 'Leave out placeholder moves (a "NET 2026" style date firming or rolling); keep slips, pull-ins and adjustments.'}}, 'additionalProperties': False}
moon_race_status
Race to the Moon status
The 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 landing attempt.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {}, 'additionalProperties': False}
next_launches
Next launches
Upcoming 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 recorded, and its page URL. realSlips and otherDateMoves count only changes our sync saw when they happened; caughtUpDateMoves counts changes it only caught up with late (made earlier, on a day we do not know), which are never counted as slips.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {'site': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Launch site: a spaceport name or slug ("Cape Canaveral" includes Kennedy, "vandenberg", "Starbase", "Andoya") or any pad name.'}, 'limit': {'type': 'integer', 'default': 10, 'maximum': 20, 'minimum': 1, 'description': 'How many launches to return (1 to 20).'}, 'rocket': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Rocket, matched as a substring, e.g. "Falcon 9", "Starship", "Long March".'}, 'country': {'type': 'string', 'maxLength': 40, 'minLength': 1, 'description': 'Country of the launch site, by name or code, e.g. "United States", "China", "France" (Kourou), "NZL".'}, 'provider': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Launch provider: a name or common short name, e.g. "SpaceX", "ULA", "ISRO", "CASC", "Rocket Lab".'}, 'include_recent_outcomes': {'type': 'boolean', 'description': 'Also return launches flown in the last 30 days with their outcome.'}}, 'additionalProperties': False}
promise_ledger_entries
Promise Ledger entries
Needs 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 and when, the deadline as stated and normalised, the status shown today, the outcome and its source, and every later revision. Filter by party, status, claim type or words; page with offset.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {'limit': {'type': 'integer', 'default': 10, 'maximum': 25, 'minimum': 1, 'description': 'How many entries to return (1 to 25).'}, 'party': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'An organisation or a person: name or slug, e.g. "SpaceX", "NASA", "elon-musk".'}, 'query': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Words to find in the claim, quote or context.'}, 'offset': {'type': 'integer', 'default': 0, 'maximum': 10000, 'minimum': 0, 'description': 'Entries to skip, for paging (0 to 10000).'}, 'status': {'enum': ['met', 'met-late', 'missed', 'came-due', 'revised', 'withdrawn', 'condition-not-met', 'not-scored', 'pending'], 'type': 'string', 'description': 'Only entries shown with this status today.'}, 'claim_type': {'enum': ['launch', 'first-flight', 'orbit', 'landing', 'crewed', 'station', 'deployment', 'service', 'cadence', 'other'], 'type': 'string', 'description': 'Only this kind of claim.'}}, 'additionalProperties': False}
recent_funding_rounds
Recent funding rounds
Closed 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.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {'days': {'type': 'integer', 'default': 90, 'maximum': 90, 'minimum': 1, 'description': 'Look-back window in days (1 to 90).'}, 'limit': {'type': 'integer', 'default': 10, 'maximum': 25, 'minimum': 1, 'description': 'How many rounds to return (1 to 25).'}, 'stage': {'type': 'string', 'maxLength': 40, 'minLength': 1, 'description': 'Round stage, matched as a substring, e.g. "Seed", "Series B".'}, 'company': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': 'Company name, matched as a substring.'}, 'min_amount_usd': {'type': 'number', 'maximum': 1000000000000, 'minimum': 0, 'description': 'Only rounds with a disclosed amount at or above this, in US dollars.'}}, 'additionalProperties': False}
search_site
Search SpaceNexus
Search 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.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['query'], 'properties': {'limit': {'type': 'integer', 'default': 5, 'maximum': 10, 'minimum': 1, 'description': 'How many results to return (1 to 10).'}, 'query': {'type': 'string', 'maxLength': 120, 'minLength': 2, 'description': 'What to look for on spacenexus.us: a company, rocket, launch, guide, chart or topic.'}}, 'additionalProperties': False}
space_jobs_count
Space jobs count
How 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 roles.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {'company': {'type': 'string', 'maxLength': 80, 'minLength': 1, 'description': "Employer name; returns that employer's open roles on the board when we track it."}}, 'additionalProperties': False}
space_score_history
Space Score history
Needs 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 reading, large moves flagged, and why a reading moved where the stored inputs can say. The current score stays free in company_lookup.
Read only
Idempotent
Input schema
{'type': 'object', 'required': ['company'], 'properties': {'days': {'type': 'integer', 'default': 90, 'maximum': 365, 'minimum': 1, 'description': 'Look-back window in days (1 to 365).'}, 'company': {'type': 'string', 'maxLength': 80, 'minLength': 2, 'description': 'Company name or profile slug, e.g. "Rocket Lab" or "rocket-lab".'}}, 'additionalProperties': False}
space_weather_now
Space weather now
Current 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.
Read only
Idempotent
Input schema
{'type': 'object', 'properties': {}, 'additionalProperties': False}
History
Recent tool changes
Added
space_score_history
Oct. 2, 2026, 2:40 a.m.
Added
funding_round_history
Oct. 2, 2026, 2:40 a.m.
Added
dataset_links
Oct. 2, 2026, 2:40 a.m.
Added
promise_ledger_entries
Oct. 2, 2026, 2:40 a.m.
Added
launch_ledger_record
Oct. 2, 2026, 2:40 a.m.
Added
search_site
Oct. 2, 2026, 2:40 a.m.
Added
space_jobs_count
Oct. 2, 2026, 2:40 a.m.
Added
moon_race_status
Oct. 2, 2026, 2:40 a.m.
Added
space_weather_now
Oct. 2, 2026, 2:40 a.m.
Added
company_lookup
Oct. 2, 2026, 2:40 a.m.
Added
recent_funding_rounds
Oct. 2, 2026, 2:40 a.m.
Added
launch_on_time_record
Oct. 2, 2026, 2:40 a.m.
Added
launch_slips
Oct. 2, 2026, 2:40 a.m.
Added
next_launches
Oct. 2, 2026, 2:40 a.m.
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