MCP server

Seamark Official

app.seamark/seamark

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Personal sailing voyage log: trips, legs, ships, crew and GPX tracks with honest statistics.

Website Source

At a glance

Type

MCP server

Publisher

seamark.app (verified by the MCP Registry)

Status

Working at last check

Tools

13

Token cost

About 8,966 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http seamark https://seamark.app/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.seamark]
url = "https://seamark.app/mcp"

Gemini CLI

{"mcpServers":{"seamark":{"httpUrl":"https://seamark.app/mcp"}}}

Cursor

{"mcpServers":{"seamark":{"url":"https://seamark.app/mcp"}}}

VS Code

{"servers":{"seamark":{"type":"http","url":"https://seamark.app/mcp"}}}

Antigravity

agy mcp add seamark https://seamark.app/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"seamark","server_url":"https://seamark.app/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"seamark","server_url":"https://seamark.app/mcp"}

Tools

• leg_read ~339 tokens
  Read a trip's ordered legs: list them, or get one by id. A leg's `statsSource` is 'track' when its stats, coordinates and times are computed from a GPX track, 'manual' otherwise. On a trip someone else shared with the caller, `get` reads a leg but `list` does not — its legs are in `trip_read`'s `get
• leg_write ~1916 tokens
  Change a trip's ordered legs: create, update, delete, reorder (a full leg-id permutation, reassigning seq 1..N), and fill a leg's wind from a weather service (fetch_weather). A leg backed by a track (statsSource: 'track') rejects an update that touches any computed stats/coordinate/time field with a
• person_read ~272 tokens
  Read the caller's private address book of people — crew and contacts: list them all, or get one by id. Personal data (birth date, passport) is never shared across users. `linkedAccount` reports whether this person has accepted an invitation and is linked to a Seamark account. `isSelf` marks the ONE
• person_write ~1555 tokens
  Change the caller's private address book of people — crew and contacts (create, update, delete, unlink_account, mark_self, unmark_self, invite, accept_invitation). Personal data (birth date, passport) is never shared across users. `linkedAccount` reports whether this person has accepted an invitatio
• resume ~390 tokens
  The caller's sailing résumé — the record a charter company asks for before handing over a boat: one row per voyage the caller sailed with a known role, newest first, each with start and end date, the boat (name, model, length overall in centimeters as `loaCm`, hull type, or null when the voyage has
• ship_read ~241 tokens
  Read the caller's boats — a reusable, per-owner registry: list them all, or get one by id. The optional `flag` field is a ship's flag state as an uppercase ISO 3166-1 alpha-2 country code (e.g. "HR", "CZ"), or null. The optional `hullType` is 'monohull', 'catamaran' or 'trimaran', or null when unkno
• ship_write ~767 tokens
  Create, update or delete one of the caller's boats. The optional `flag` field is a ship's flag state as an uppercase ISO 3166-1 alpha-2 country code (e.g. "HR", "CZ"), or null. The optional `hullType` is 'monohull', 'catamaran' or 'trimaran', or null when unknown. Sending null for `flag` or `hullTyp
• stats ~404 tokens
  The caller's lifetime logbook statistics across their whole log — the trips they own AND the trips shared with them as linked crew. Returns totals (distance in meters, moving/total time in seconds, days at sea, distinct shipmates, best sustained 1/5/10-minute speeds in knots, average speed, earliest
• track_read ~287 tokens
  Read a leg's GPX track: get the current track, and audit every kept/dropped point with its drop reason. Audit results are paged with offset/limit; a long track has many points. On a trip someone else shared with the caller, `get` reads the track; the audit stays the owner's. IDs are 6-character case
• track_write ~463 tokens
  Change a leg's GPX track: import raw GPX text (inline, capped at 5 Mi UTF-16 code units — that is what the schema counts, so it is roughly 5 MB for plain-ASCII GPX and no less for a file full of non-ASCII names; the server-side pipeline caps are separate: 32 MB of bytes AND at most 75,000 trackpoint
• trip_read ~603 tokens
  Read the caller's voyages: list (the caller's OWN log), list the trips others shared with the caller (list_shared), get one trip, get its combined map, and get its public share link (get_share). `get` composes trip metadata with its crew, charter, and legs (there is no separate crew or charter read)
• trip_write ~1630 tokens
  Change the caller's own voyages: create, update, delete, replace the full crew set (set_crew, PUT semantics), set or clear the charter (set_charter — a null charter clears it), announce the trip to its crew by email (announce), and turn its public link on or off (create_share, revoke_share). Charter
• whoami ~99 tokens
  The authenticated caller's own profile (id, email, name, language). Takes no arguments. IDs are 6-character case-sensitive alphanumeric strings. Timestamps are UTC ISO 8601. Distances are integer meters. Durations are integer seconds.

Browse

• Email
• Weather
• Government and public data

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