Atlas MCP Server

by trainrouter Your server? Claim it

answering

Atlas is answering right now. Last checked 5 min ago. It exposes 7 tools. Last commit 24 Aug 2026.

The world railway atlas as MCP tools: notable train routes, night trains, journey times.

Uptime history 52 days of history

52 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

252 ms

Response time

average over 24h

Stars

last commit 24 Aug 2026

What changed 5

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 11 August 2026. No other catalogue keeps this.

11 Aug 4 tool descriptions were rewritten atlas_stats, famous_routes, routes_in_country and 1 more

11 Aug a tool changed the parameters it asks for search_routes

Nothing serious here today

Today is the operative word: we check Atlas every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add atlas --transport http https://trainrouter.com/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "atlas": {
      "url": "https://trainrouter.com/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.atlas]
url = "https://trainrouter.com/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "atlas": {
      "url": "https://trainrouter.com/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "atlas": {
      "url": "https://trainrouter.com/mcp"
    }
  }
}

Available tools 7

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

routes

routes_in_country

Every atlas route crossing one country, sorted by renown, plus that country's worldtrainmap.com hub URL when it exists. An unrecognised country returns an error, not an empty list. Use for "trains in X" questions; use search_routes to combine a country with text or category filters, night_trains for sleepers only.

search_routes

Free-text search over every route in the World Train Map atlas — matches route name, cities, train name, operator and countries, with optional category/country filters. Accent-insensitive; every word of the query must match. Returns compact per-route facts with id and worldtrainmap.com URL, sorted by renown with route-name matches first; with no query it lists the whole atlas by renown. Use get_route with a returned id for full detail, famous_routes for a ready-made top list, city_pair for A-to-B journey times.

atlas

atlas_stats

One-call snapshot of what the World Train Map atlas covers: total route count, countries, combined length in km, the category list, number of city-pair guides, data snapshot date, and direct URLs to the main browse pages (world map, all routes, Europe/USA maps, night trains, scenic, by-country, city-to-city). Takes no parameters. Call it to learn what this server can answer, to cite dataset totals, or to link a browse page — it returns no individual routes; use search_routes or famous_routes for those.

city

city_pair

Journey facts between two cities (European coverage): fastest and typical duration, whether direct trains run, fewest changes, operators and the guide URL — plus legendary atlas routes on that corridor. Direction-insensitive. Figures are sampled from public schedule data, not live times — treat as planning estimates. An uncovered pair returns an error with a search_routes tip.

famous

famous_routes

The world's most famous train journeys in World Train Map's renown order (rank 1 = most famous: Trans-Siberian, Glacier Express, Orient Express lineage, Shinkansen…), as compact facts with id and URL per route. Best first call for bucket-list and "greatest train trips" questions; use search_routes to find something specific, get_route for full detail on one route.

night

night_trains

Sleeper routes from the atlas, sorted by renown — all of them by default, or only those starting or ending in a given city — with the per-city night-train guide URL when one exists. Use for overnight and sleeper questions; city_pair for concrete A-to-B times; search_routes for other route categories.

route

get_route

Full record for one atlas route by exact id: distance, fastest time, top speed, operator, rolling stock, opening year, ridership, story, on-route sights, photo and page URL, plus country-hub links. An unknown id returns up to 5 close-match suggestions instead of failing. Use search_routes first when you only have a name or city.

Endpoints

URL	Transport	State	Latency	Checked
https://trainrouter.com/mcp	streamable-http	answering	356 ms	5 min ago

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Atlas — questions

Answers built from our own checks of this server.

What can Atlas do?

It exposes 7 tools, read directly from the server on our last check. Among them: atlas_stats, city_pair, famous_routes, get_route, night_trains, routes_in_country and 1 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Atlas working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 252 ms. The bar chart above shows every period we have measured.

How do I connect Atlas?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Atlas need an API key?

No. Atlas completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 7 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Atlas?

It answers our handshake in 252 ms on average, which is faster than 64% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Atlas open source?

Yes — it is published under the MIT licence, written in JavaScript, 3 stars on GitHub and 2 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.