io.github.vessel-api/vesselapi-mcp
vesselapi
Is the io.github.vessel-api/vesselapi-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-01.
MCP server for the VesselAPI: maritime vessel tracking, port events and emissions
alive probed 2026-11-14 · unchanged since 2026-11-01
- Run it
- npx -y vesselapi-mcp@2.2.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- vesselapi 2.2.1
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.7 % of a 1M context window
- Count
- 6.8k tokens in Claude Opus 5.5, exact, measured 2026-11-01. With the Claude Code prefix mcp__…__ on each tool name: 7.1k. The o200k_base estimate is 3.9k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/vessel-api/vesselapi-mcp.git
- Registry
- active, updated 2026-11-01 · registry entry
- Changes
- 4 recorded, reachable in 3 of them. A row is added when the result, the tool count or the cost changes.
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.74×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| get_vessel_position | 841 | 484 | 12 % |
| list_port_events | 518 | 298 | 8 % |
| search_vessels | 498 | 287 | 7 % |
| get_port_events_by_vessel | 493 | 284 | 7 % |
| get_vessels_in_area | 460 | 265 | 7 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- MCP Evernote io.github.verygoodplugins/mcp-evernote · alive
- MCP FreeScout io.github.verygoodplugins/mcp-freescout · alive
- MCP Local WP io.github.verygoodplugins/mcp-local-wp · alive
- MCP Pirsch io.github.verygoodplugins/mcp-pirsch · alive
- io.github.veto-protocol/mcp · crashed on start
- Agent Release Auditor io.github.veyndrasystems/agent-release-auditor · needs args
- io.github.vfa-khuongdv/mcp-backlog · alive
- io.github.vfa-khuongdv/redmine · alive
Servers that mention emissions or maritime.
- Datalastic Vessel Tracking & Maritime Intelligence com.datalastic/vessel-tracking · alive
- dVeracity Semantic API com.dveracity/semantic-mcp · alive
- FirmTape Geo - public records of world events com.firmtape/geopolitical-osint · alive
- HasData Google Flights com.hasdata/google-flights · alive
- com.satmarin/catalog · alive
- global.rootz.ship/maritime · alive
- Mycelium Emissions Database global.mycelium/emissions-database · rate limited
- io.github.PrometheusAgency/eu-industrial-emissions · needs auth
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-11-01 08:16 | alive | 138 ms | 19 | 6.8k | 3.9k |
| 2026-10-29 07:50 | alive | 312 ms | 19 | 6.7k | 3.9k |
| 2026-10-27 07:00 | alive | 206 ms | 16 | 3.6k | 2.1k |
| 2026-10-20 06:46 | crashed on start |
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.