{ "data": { "tool": { "category": "", "endpoint": "https://mcp.arcnautical.com/mcp", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/arcnautical-mcp.json", "kind": "mcp", "listed": "indexed", "liveUrl": "https://www.anchorterminal.com/api/v1/live/arcnautical-mcp.json", "markdownUrl": "https://www.anchorterminal.com/tools/arcnautical-mcp.md", "mcpTools": { "check": { "checker": "anchor-check/1.0", "totalTokens": 3005, "counts": { "error": 0, "note": 0, "warn": 0 }, "findings": [] }, "checkedAt": "2026-10-04T22:22:06Z", "count": 7, "schemaTokens": 3005, "status": "ok", "tools": [ { "name": "check_vessel", "title": "Check a vessel (no key)", "description": "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 IP. Returns the VERDICT SUMMARY only; for every sanctions match with its source list and confidence class use screen_vessel (needs a key).", "inputSchema": { "$schema": "http://json-schema.org/draft-07/schema#", "additionalProperties": false, "properties": { "imo": { "description": "Seven-digit IMO number of the vessel", "pattern": "^\\d{7}$", "type": "string" } }, "required": [ "imo" ], "type": "object" }, "outputSchema": { "$schema": "http://json-schema.org/draft-07/schema#", "additionalProperties": false, "properties": { "assessed": { "description": "false means ownership and vetting are defaults, not findings", "type": "boolean" }, "checkedAt": { "description": "ISO-8601 time the sources were read; designations change daily", "type": "string" }, "fullReport": { "description": "Human-readable report URL for this hull", "type": "string" }, "imo": { "description": "The seven-digit IMO number screened", "type": "string" }, "ownership": { "additionalProperties": true, "properties": { "opacity": { "type": [ "string", "null" ] }, "score": { "type": [ "number", "null" ] } }, "type": "object" }, "rate_limit": { "additionalProperties": false, "description": "Keyless allowance for the caller's address", "properties": { "limit": { "type": [ "number", "null" ] }, "remaining": { "type": [ "number", "null" ] }, "reset": { "type": [ "string", "null" ] } }, "required": [ "limit", "remaining", "reset" ], "type": "object" }, "sanctions": { "additionalProperties": true, "properties": { "coverageComplete": { "description": "false when a supplementary list was unavailable — re-screen before relying on a GREEN", "type": "boolean" }, "detail": { "description": "One sentence explaining the status", "type": "string" }, "status": { "description": "RED | AMBER | GREEN | INCOMPLETE", "type": "string" } }, "required": [ "status" ], "type": "object" }, "vetting": { "additionalProperties": true, "properties": { "grade": { "type": [ "string", "null" ] }, "score": { "type": [ "number", "null" ] }, "status": { "type": "string" } }, "type": "object" } }, "required": [ "imo", "sanctions", "checkedAt", "rate_limit" ], "type": "object" }, "annotations": { "idempotentHint": true, "openWorldHint": true, "readOnlyHint": true } }, { "name": "find_port", "title": "Find a port / UN/LOCODE (no key)", "description": "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.", "inputSchema": { "$schema": "http://json-schema.org/draft-07/schema#", "additionalProperties": false, "properties": { "limit": { "description": "Maximum matches to return (default 5)", "maximum": 20, "minimum": 1, "type": "integer" }, "query": { "description": "Port name, country, or LOCODE fragment, e.g. \"rotterdam\", \"NLRTM\", \"Piraeus\"", "minLength": 2, "type": "string" } }, "required": [ "query" ], "type": "object" }, "outputSchema": { "$schema": "http://json-schema.org/draft-07/schema#", "additionalProperties": false, "properties": { "ports": { "description": "Best matches first", "items": { "additionalProperties": true, "properties": { "country": { "type": "string" }, "locode": { "description": "UN/LOCODE, e.g. NLRTM", "type": "string" }, "name": { "type": "string" } }, "required": [ "locode", "name" ], "type": "object" }, "type": "array" } }, "required": [ "ports" ], "type": "object" }, "annotations": { "idempotentHint": true, "openWorldHint": true, "readOnlyHint": true } }, { "name": "screen_vessel", "title": "Screen a vessel (full record, API key)", "description": "The authenticated screening record for one vessel: every sanctions match with its source list, programme and confidence class, ownership opacity, the graded vetting factors, per-source freshness, and a retained record id. Needs ARCNAUTICAL_API_KEY. Metered: a new self-serve key includes 5,000 live screenings once (a one-time allowance). The same vessel asked again on the same day replays the stored record free. If the result is INCOMPLETE for identity, call again with vessel_name.", "inputSchema": { "$schema": "http://json-schema.org/draft-07/schema#", "additionalProperties": false, "properties": { "customer_reference": { "description": "Your own reference (order id, voyage id); echoed on the record", "maxLength": 128, "type": "string" }, "imo": { "description": "Seven-digit IMO number of the vessel", "pattern": "^\\d{7}$", "type": "string" }, "include_vetting": { "description": "false skips the vetting grade for a faster sanctions-only screen", "type": "boolean" }, "vessel_name": { "description": "Only when a previous screen was INCOMPLETE for identity; a name you can confirm", "maxLength": 200, "minLength": 1, "type": "string" } }, "required": [ "imo" ], "type": "object" }, "outputSchema": { "$schema": "http://json-schema.org/draft-07/schema#", "additionalProperties": false, "properties": { "id": { "description": "Screening record id, retained ten years", "type": "string" }, "imo": { "type": "string" }, "ownership": { "additionalProperties": true, "properties": { "opacity": { "type": [ "string", "null" ] }, "score": { "type": [ "number", "null" ] } }, "type": "object" }, "sanctions": { "additionalProperties": true, "properties": { "detail": { "type": "string" }, "status": { "description": "RED | AMBER | GREEN | INCOMPLETE", "type": "string" } }, "type": "object" }, "screened_at": { "description": "ISO-8601 time the sources were read", "type": "string" }, "vessel_name": { "type": [ "string", "null" ] }, "vetting": { "additionalProperties": true, "properties": { "grade": { "type": [ "string", "null" ] }, "status": { "type": "string" } }, "type": "object" } }, "type": "object" }, "annotations": { "idempotentHint": true, "openWorldHint": true, "readOnlyHint": false } }, { "name": "screen_vessels", "title": "Screen up to 50 vessels (API key)", "description": "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.", "inputSchema": { "$schema": "http://json-schema.org/draft-07/schema#", "additionalProperties": false, "properties": { "imos": { "description": "Up to 50 seven-digit IMO numbers", "items": { "description": "Seven-digit IMO number of the vessel", "pattern": "^\\d{7}$", "type": "string" }, "maxItems": 50, "minItems": 1, "type": "array" }, "include_vetting": { "description": "false skips the vetting grade for a faster sanctions-only screen", "type": "boolean" } }, "required": [ "imos" ], "type": "object" }, "outputSchema": { "$schema": "http://json-schema.org/draft-07/schema#", "additionalProperties": false, "properties": { "batch": { "additionalProperties": true, "description": "The batch as last read", "properties": { "id": { "type": "string" }, "status": { "description": "queued | running | completed | partial | failed", "type": "string" } }, "type": "object" }, "items": { "description": "One row per hull", "items": { "additionalProperties": true, "properties": { "imo": { "type": [ "string", "null" ] }, "result_body": { "anyOf": [ { "additionalProperties": true, "properties": { "sanctions": { "additionalProperties": true, "properties": { "status": { "type": "string" } }, "type": "object" } }, "type": "object" }, { "type": "null" } ] }, "screening_id": { "type": [ "string", "null" ] }, "status": { "type": "string" } }, "type": "object" }, "type": "array" } }, "required": [ "batch", "items" ], "type": "object" }, "annotations": { "idempotentHint": true, "openWorldHint": true, "readOnlyHint": false } }, { "name": "get_screening", "title": "Retrieve a screening record (API key)", "description": "Fetch a stored screening record by id — the audit copy, retained ten years. Needs ARCNAUTICAL_API_KEY.", "inputSchema": { "$schema": "http://json-schema.org/draft-07/schema#", "additionalProperties": false, "properties": { "id": { "description": "Screening id returned by screen_vessel or in a batch item", "format": "uuid", "type": "string" } }, "required": [ "id" ], "type": "object" }, "outputSchema": { "$schema": "http://json-schema.org/draft-07/schema#", "additionalProperties": false, "properties": { "id": { "description": "Screening record id, retained ten years", "type": "string" }, "imo": { "type": "string" }, "ownership": { "additionalProperties": true, "properties": { "opacity": { "type": [ "string", "null" ] }, "score": { "type": [ "number", "null" ] } }, "type": "object" }, "sanctions": { "additionalProperties": true, "properties": { "detail": { "type": "string" }, "status": { "description": "RED | AMBER | GREEN | INCOMPLETE", "type": "string" } }, "type": "object" }, "screened_at": { "description": "ISO-8601 time the sources were read", "type": "string" }, "vessel_name": { "type": [ "string", "null" ] }, "vetting": { "additionalProperties": true, "properties": { "grade": { "type": [ "string", "null" ] }, "status": { "type": "string" } }, "type": "object" } }, "type": "object" }, "annotations": { "idempotentHint": true, "openWorldHint": true, "readOnlyHint": true } }, { "name": "score_voyage", "title": "Score a voyage route (API key)", "description": "Route risk between two ports (UN/LOCODEs): a 0–100 score, risk level, the signals driving it (war-risk areas, piracy, chokepoints, weather, sanctions exposure of transited EEZs), confidence and any missing sources. Resolve port names with find_port first. Needs ARCNAUTICAL_API_KEY; 10,000 assessments a month are included with a self-serve key.", "inputSchema": { "$schema": "http://json-schema.org/draft-07/schema#", "additionalProperties": false, "properties": { "customer_reference": { "description": "Your own reference (voyage id, fixture); echoed on the assessment", "maxLength": 128, "type": "string" }, "destination": { "description": "Destination UN/LOCODE, e.g. CNSHA", "pattern": "^[A-Za-z]{5}$", "type": "string" }, "dwt_tonnes": { "description": "Deadweight in tonnes; used for chokepoint and draught constraints", "maximum": 600000, "minimum": 1, "type": "number" }, "load_condition": { "description": "laden or ballast; affects exposure on the transit", "enum": [ "laden", "ballast" ], "type": "string" }, "origin": { "description": "Origin UN/LOCODE, e.g. NLRTM", "pattern": "^[A-Za-z]{5}$", "type": "string" }, "speed_knots": { "description": "Planned service speed, 8-25 knots; sets transit time through each risk area", "maximum": 25, "minimum": 8, "type": "number" }, "vessel_type": { "description": "Vessel class; changes which threat signals weigh most (default: general)", "enum": [ "container", "bulk", "tanker", "lng", "general" ], "type": "string" } }, "required": [ "origin", "destination" ], "type": "object" }, "outputSchema": { "$schema": "http://json-schema.org/draft-07/schema#", "additionalProperties": false, "properties": { "confidence": { "description": "0-1", "type": "number" }, "id": { "description": "Assessment id", "type": "string" }, "missing_sources": { "description": "Signals that could not be read for this assessment", "items": { "type": "string" }, "type": "array" }, "risk_level": { "description": "low | moderate | elevated | high | severe", "type": "string" }, "route": { "additionalProperties": true, "properties": { "distance_nm": { "type": "number" } }, "type": "object" }, "score": { "description": "0-100, higher is riskier", "type": "number" }, "signals": {} }, "type": "object" }, "annotations": { "idempotentHint": true, "openWorldHint": true, "readOnlyHint": false } }, { "name": "get_usage", "title": "Usage and quota (API key)", "description": "Live and test usage, remaining allowance, reset time, batch limits and monitor capacity for the configured key.", "inputSchema": { "$schema": "http://json-schema.org/draft-07/schema#", "properties": {}, "type": "object" }, "outputSchema": { "$schema": "http://json-schema.org/draft-07/schema#", "additionalProperties": false, "properties": { "assessments": { "additionalProperties": true, "description": "Allowance, used, remaining and reset per environment", "properties": {}, "type": "object" }, "environment": { "description": "live | test", "type": "string" }, "limits": { "additionalProperties": true, "properties": {}, "type": "object" }, "screenings": { "additionalProperties": true, "properties": {}, "type": "object" } }, "type": "object" }, "annotations": { "idempotentHint": true, "openWorldHint": true, "readOnlyHint": true } } ] }, "name": "arcnautical.com MCP server", "note": "Indexed from the official MCP registry: facts and our own checks, not reviewed, so no score, grade or rank.", "packages": [ { "registryType": "npm", "identifier": "@arcnautical/mcp", "version": "0.2.1", "transport": "stdio" } ], "pageJsonUrl": "https://www.anchorterminal.com/tools/arcnautical-mcp.json", "popularity": { "githubStars": 0, "npmWeekly": 239 }, "registryName": "com.arcnautical/mcp", "remotes": [ { "type": "streamable-http", "url": "https://mcp.arcnautical.com/mcp" } ], "repository": "https://github.com/arcnautical/arcnautical-mcp", "reviewed": false, "slug": "arcnautical-mcp", "source": "the official MCP registry", "sourceUrl": "https://registry.modelcontextprotocol.io/v0.1/servers?search=com.arcnautical/mcp", "summary": "Screen any vessel by IMO for sanctions, ownership opacity and vetting grade. Keyless check included.", "updatedAt": "2026-09-23T15:51:03Z", "url": "https://www.anchorterminal.com/tools/arcnautical-mcp", "vendor": "arcnautical.com", "vendorUrl": "https://arcnautical.com/developers/", "version": "0.2.1", "websiteUrl": "https://arcnautical.com/developers/", "where": "both", "why": [ "vendor" ] } }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/tools/arcnautical-mcp", "json": "https://www.anchorterminal.com/tools/arcnautical-mcp.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/tools/arcnautical-mcp.md", "slim": "https://www.anchorterminal.com/tools/arcnautical-mcp.min.md" }, "markdown": "# arcnautical.com MCP server\n\n\u003e Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/\n\n- Kind: MCP server, by arcnautical.com (https://arcnautical.com/developers/)\n- Listed because: It's published in the registry under arcnautical.com, a namespace the registry only gives to whoever proves they control that domain.\n- What the official MCP registry says: Screen any vessel by IMO for sanctions, ownership opacity and vetting grade. Keyless check included.\n\n## Facts\n\n- MCP registry: `com.arcnautical/mcp` 0.2.1\n- Endpoint: https://mcp.arcnautical.com/mcp (streamable HTTP)\n- Package: npm `@arcnautical/mcp` (stdio)\n- Source: https://github.com/arcnautical/arcnautical-mcp\n- Website: https://arcnautical.com/developers/\n- npm downloads a week: 239\n- GitHub stars: 0\n- Registry entry updated: 2026-09-23\n\n## Tools\n\n- Tools it lists (7, about 3,005 tokens of context, `tools/list` without credentials over MCP 2025-11-25, checked 2026-10-04 22:22 UTC):\n - `check_vessel` (read-only): 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…\n - `find_port` (read-only): 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…\n - `screen_vessel` (writes): The authenticated screening record for one vessel: every sanctions match with its source list, programme and confidence class, ownership opacity, the graded…\n - `screen_vessels` (writes): 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.…\n - `get_screening` (read-only): Fetch a stored screening record by id — the audit copy, retained ten years. Needs ARCNAUTICAL_API_KEY.\n - `score_voyage` (writes): 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…\n - `get_usage` (read-only): Live and test usage, remaining allowance, reset time, batch limits and monitor capacity for the configured key.\n- How its tools read to an agent (0 errors, 0 warnings, 0 notes, about 3,005 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):\n\n- JSON: https://www.anchorterminal.com/api/v1/tools/arcnautical-mcp.json\n- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-05", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.3", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Terminal", "url": "https://www.anchorterminal.com/tools/" }, { "name": "Indexed", "url": "https://www.anchorterminal.com/indexed/" }, { "name": "arcnautical.com MCP server", "url": "" } ], "description": "arcnautical.com MCP server, an MCP server by arcnautical.com, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Screen any vessel by IMO for sanctions, ownership opacity and vetting grade. Keyless check included.", "facts": [ "not reviewed", "not ranked", "facts only" ], "h1": "arcnautical.com MCP server", "image": "https://www.anchorterminal.com/assets/og/indexed.png", "path": "/tools/arcnautical-mcp", "published": "", "section": "indexed", "title": "arcnautical.com MCP server, indexed from the official MCP registry", "toc": null, "updated": "2026-10-05", "url": "https://www.anchorterminal.com/tools/arcnautical-mcp" }, "tokens": { "markdown": 850, "slim": 780 }, "version": 1 }