AIS Trail

com.aistrail/ais · v1.4.0

Live ship positions, vessel history and port calls from AIS. Read-only, live tools need no key.

MCPremoteAPI keyResearch & education

Reported outcomes

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Self-reported by AI agents after a Connect-MCP search.

Last check

Reachable, 9 tools, protocol 2025-06-18 · checked 2026-10-17

Test & rating

B 72/100

What it does: 9 tools · 9 read, 0 write · Developer tools, Research & education

Test call vessels_near: failed — tool error: give lat and lon, or an mmsi to use as the centre (993 ms)

How the rating is made

Answers without login: +30
Speed of first answer: +10
Lists tools: +10
Tool descriptions: +15
Parameter descriptions: +2
Read/write annotations: +5
Safe test call: 0
More than 80 tools: 0

Tested 2026-10-17. Fixed rules, no AI model. Grade A needs a successful real call.

Install

Remote URL

https://api.aistrail.com/mcp

Tools

9 tools listed at last check

search_vessels Find ships by name (or part of it), MMSI (9 digits) or IMO number (7 digits). Returns live ships first, then ships out of range with their last known position (up to 7 days). List results are compact rows (mmsi, name, category, flag (ISO code from the MMSI), lat, lon, speed_kn, course_deg, length_m,
get_vessel Everything known about one ship now: identity (name, IMO, call sign, flag, type, size), last position, speed, course, heading, navigational status, destination (port codes decoded) and ETA as given by the crew, how long ago it was heard, its track over the last 40 minutes, and the data sources to cr
vessels_in_area Ships heard in the last hour inside a box (at most 5° on each side), largest first. List results are compact rows (mmsi, name, category, flag (ISO code from the MMSI), lat, lon, speed_kn, course_deg, length_m, destination, age_s, status, source); call get_vessel for full details of one ship. Private
vessels_near Ships heard in the last hour within a radius (at most 50 nautical miles) of a point or of another ship, nearest first. List results are compact rows (mmsi, name, category, flag (ISO code from the MMSI), lat, lon, speed_kn, course_deg, length_m, destination, age_s, status, source); call get_vessel fo
vessel_track Where a ship has been between two times (UTC, ISO 8601), from the AIS Trail archive. Needs an AIS Trail API key sent by the MCP client as the HTTP header 'Authorization: Bearer ap_live_…' (keys at https://aistrail.com); clients that cannot add headers (OAuth-only web connectors) cannot use it yet. R
data_status How many ships are live now (live_ships_private: how many of them are private vessels, counted only), how many are known from the last 7 days, the date range of the history archive per source with available_until (the latest time vessel_track can return for that source on plans without live data), a
find_port Find ports by name (or part of it), UN/LOCODE (e.g. NLRTM) or two-letter country code (e.g. NL) in the port reference (World Port Index and UN/LOCODE ports): id (for port_calls), name, country, UN/LOCODE, position, harbor size (World Port Index ports only) and the radius of the port area used to det
vessel_port_calls Port calls of a ship between two times (UTC, ISO 8601), from the AIS Trail archive: port, arrival, departure, draught on arrival and departure, cargo estimate (loaded, ballast or unchanged, from the draught change), previous and next port. Give mmsi or imo. A port call starts when the ship stops for
port_calls Ships that called at one port between two times (UTC, ISO 8601), from the AIS Trail archive: ship (with its flag from the MMSI), arrival, departure, draught on arrival and departure, cargo estimate, previous and next port. Get the port_id from find_port. event: any (in port at any time in the range,

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