Arcnautical MCP server

Connect Arcnautical and your agent gets 7 tools, among them check_vessel, find_port, get_screening. It answers at https://mcp.arcnautical.com/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 4 of 4 times since 23 September 2026; the last check, on 6 November 2026, succeeded.

Status

Answering

Tools

Official

yes, served from arcnautical.com

Reliability

4 of 4 checks

Response time

918 ms

Transport

streamable HTTP

Last checked

6 November 2026

Screen any vessel by IMO for sanctions, ownership opacity and vetting grade. Keyless check included.

Description as the publisher wrote it.

The 7 tools Arcnautical offers

Tool	What it does
`check_vessel`	Screen one vessel by IMO number against OFAC SDN, EU, UN, UK OFSI and OpenSanctions, with an ownership-opacity score and an A–E vetting grade from port-state-control history. Works with no API key. Rate-limited to 100 requests per hour per Inputs: imo
`find_port`	Resolve a port name, country or partial UN/LOCODE to the LOCODEs the routing engine knows. Routes are addressed by LOCODE, so call this before score_voyage rather than guessing a code. Works with no API key. Inputs: query, limit
`get_screening`	Fetch a stored screening record by id — the audit copy, retained ten years. Needs ARCNAUTICAL_API_KEY. Inputs: id
`get_usage`	Live and test usage, remaining allowance, reset time, batch limits and monitor capacity for the configured key.
`score_voyage`	Route risk between two ports (UN/LOCODEs): a 0–100 score, risk level, the signals driving it (war-risk areas, piracy, chokepoints, weather, sanctions exposure of transited EEZs), sea days, confidence and any missing sources. On lanes that c Inputs: origin, destination, passage, vessel_type, load_condition, speed_knots
`screen_vessel`	The authenticated screening record for one vessel: every sanctions match with its source list, programme and confidence class, ownership opacity, the graded vetting factors, per-source freshness, and a retained record id. Needs ARCNAUTICAL_ Inputs: imo, vessel_name, customer_reference, include_vetting
`screen_vessels`	Batch-screen a list of IMO numbers and wait for the results (up to two minutes). Returns one verdict per hull plus the batch status. Needs ARCNAUTICAL_API_KEY. Each hull spends one screening unit unless it was already screened today. Inputs: imos, include_vetting

Add Arcnautical to your AI client

Every block below points at https://mcp.arcnautical.com/mcp. Pick your client and copy.

Claude Code: one command in your terminal

claude mcp add --transport http arcnautical https://mcp.arcnautical.com/mcp

Claude Desktop: claude_desktop_config.json

{
  "mcpServers": {
    "arcnautical": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://mcp.arcnautical.com/mcp"]
    }
  }
}

Cursor: ~/.cursor/mcp.json, or .cursor/mcp.json in a project

{
  "mcpServers": {
    "arcnautical": {
      "url": "https://mcp.arcnautical.com/mcp"
    }
  }
}

VS Code and GitHub Copilot: .vscode/mcp.json

{
  "servers": {
    "arcnautical": {
      "type": "http",
      "url": "https://mcp.arcnautical.com/mcp"
    }
  }
}

Zed: Zed settings.json

{
  "context_servers": {
    "arcnautical": {
      "url": "https://mcp.arcnautical.com/mcp"
    }
  }
}

Windsurf: ~/.codeium/mcp_config.json

{
  "mcpServers": {
    "arcnautical": {
      "serverUrl": "https://mcp.arcnautical.com/mcp"
    }
  }
}

JetBrains AI Assistant: Settings, Tools, AI Assistant, MCP, New MCP Server, as JSON

{
  "mcpServers": {
    "arcnautical": {
      "url": "https://mcp.arcnautical.com/mcp"
    }
  }
}

Continue: .continue/mcpServers/neuronto.yaml

name: Arcnautical
version: 0.0.1
schema: v1
mcpServers:
  - name: Arcnautical
    type: streamable-http
    url: https://mcp.arcnautical.com/mcp

Gemini CLI: ~/.gemini/settings.json

{
  "mcpServers": {
    "arcnautical": {
      "httpUrl": "https://mcp.arcnautical.com/mcp"
    }
  }
}

Codex CLI: MCP server config

{
  "mcpServers": {
    "arcnautical": {
      "type": "http",
      "url": "https://mcp.arcnautical.com/mcp"
    }
  }
}

Warp: MCP servers, + Add, paste JSON

{
  "mcpServers": {
    "arcnautical": {
      "url": "https://mcp.arcnautical.com/mcp"
    }
  }
}

Goose: a one-click extension link

goose://extension?url=https%3A%2F%2Fmcp.arcnautical.com%2Fmcp&type=streamable_http&id=arcnautical&name=Arcnautical

Is Arcnautical up right now?

It answered our last check on 6 November 2026 in 918 ms. Over 4 checks since 23 September 2026 it answered 4. Status here comes from Neuronto's own probes, not from the publisher.

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Questions about Arcnautical

Is there an official Arcnautical MCP server?

Yes. It is published by arcnautical.com and served from mcp.arcnautical.com, the vendor's own domain: https://mcp.arcnautical.com/mcp.

How many tools does Arcnautical have?

7, as returned by the server's own tools/list on 9 November 2026: check_vessel, find_port, get_screening, get_usage, score_voyage, screen_vessel, screen_vessels.

Is Arcnautical down?

It answered our last check on 6 November 2026 in 918 ms. Over 4 checks since 23 September 2026 it answered 4.

How do I add Arcnautical to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://mcp.arcnautical.com/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.

Does Arcnautical need an API key?

It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.

Where this comes from

Publisher: com.arcnautical. Endpoint host: mcp.arcnautical.com. ARD identifier: urn:air:com.arcnautical:mcp:mcp. First indexed 18 September 2026. The tools are exactly what the server returned; nothing on this page is inferred from its name. Ranking in Neuronto search is never for sale.

Is this your server? Get a message the day it stops answering or its tools change: monitoring, 14 days free. Or claim the domain to manage how it is listed.