Koskamo

Bahn Transfer MCP

An MCP server for rail re-planning that provides onward options, transfer alternatives with buffer transparency, and a specific recommendation for travelers on delayed trains. It supports station search, departures, and paid transfer planning via x402 payment.

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Endpoint and access

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Bahn Transfer MCP logo, by Citizen01Community listingStreamable HTTPNo sign-inEndpoint checked 2026-11-06Published by Citizen01
You need:No account, no API key, no signup
MCP endpoint (Streamable HTTP)
https://bahn.1f916.de/mcp
Vendor documentation

What its tools do

3 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.

Read-only (2)

Can change data (1)

3 of 3 have a description · 3 of 3 declare behavior hints · 1 of 3 with parameters document them all

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Endpoint answered the live check ·
  • Availability 1 of 1 checks passed in 30 days

What you can do with it

  • Search for railway stations by name
  • Get upcoming departures for a specific station
  • Plan transfer chains for delayed journeys

Source and maintenance

Community listingRegistry 1.0.0
mcp-registry: io.github.citizen01-sid/bahn-transfer@1.0.0Project website

Protocol and capabilities

Server
citizen01-bahn-x402 1.0
MCP protocol negotiated in check
2025-06-18
Tools
3 advertised
Resources
Not advertised
Resource templates
Not advertised
Prompts
Not advertised
Server-advertised capabilities
{
  "tools": {
    "listChanged": false
  }
}

Server-provided instructions

Untrusted server output shown for inspection. It is not Koskamo guidance and is excluded from knowledge search.

Rail re-planning for a traveller already on a delayed train. Workflow: search_stations -> departures -> plan_transfer. The first two are free; plan_transfer costs 1 USDC-cent per call via x402 on Base. Call it unpaid to receive the PaymentRequired object, then retry with the payment payload in params._meta['x402/payment'].

Tools

3 advertised

search_stations
Advertised by the server during the last successful anonymous check.
Advertised read-only

Free. Resolve a station or city name to a stop_id. A bare city name resolves to that city's main rail hub only when exactly one candidate exists; the answer then carries a 'resolution' object naming the rule, the chosen station and the rejected alternatives. Use the returned stop_id as 'to' in plan_transfer.

search_stations input schema
{
  "type": "object",
  "required": [
    "q"
  ],
  "properties": {
    "q": {
      "type": "string",
      "description": "Station or city name, e.g. 'Leipzig Hbf'."
    },
    "limit": {
      "type": "integer",
      "default": 5,
      "maximum": 20,
      "minimum": 1
    }
  }
}
search_stations annotations
{
  "cost": "free",
  "readOnlyHint": true
}
departures
Advertised by the server during the last successful anonymous check.
Advertised read-only

Free. Upcoming departures at a stop_id, with trip_id, line, scheduled/actual time and current delay. Use trip_id as 'trip_id' in plan_transfer for the train the traveller is already on.

departures input schema
{
  "type": "object",
  "required": [
    "station"
  ],
  "properties": {
    "limit": {
      "type": "integer",
      "default": 10,
      "maximum": 30,
      "minimum": 1
    },
    "station": {
      "type": "string",
      "description": "stop_id from search_stations."
    }
  }
}
departures annotations
{
  "cost": "free",
  "readOnlyHint": true
}
plan_transfer
Advertised by the server during the last successful anonymous check.

PAID (x402 exact/EVM, 1 USDC-cent per call). Re-plan a journey for a traveller already on a delayed train: per-stop transfer buffer, onward connections with arrival times, and one safe recommendation. Call it without payment to receive the PaymentRequired object; retry with the payment payload in params._meta['x402/payment'].

plan_transfer input schema
{
  "type": "object",
  "required": [
    "trip_id",
    "to"
  ],
  "properties": {
    "to": {
      "type": "string",
      "description": "Destination stop_id from search_stations."
    },
    "trip_id": {
      "type": "string",
      "description": "trip_id from departures."
    },
    "min_buffer": {
      "type": "integer",
      "default": 8,
      "minimum": 0,
      "description": "Minimum transfer buffer in minutes."
    },
    "manual_delay": {
      "type": "integer",
      "description": "Known delay in minutes, if the feed has none."
    }
  }
}
plan_transfer annotations
{
  "cost": {
    "asset": "USDC",
    "payTo": "0x984a67d2C291BF78bf567Ea1259f4EcAeA6cF97f",
    "amount": "10000",
    "network": "eip155:8453"
  },
  "readOnlyHint": false
}

Prompts

Not advertised

No prompt definitions available.

Resources

Not advertised

No resource definitions available.

90-day uptime

A lightweight connection check about every six hours, sampled on hosts with many listings. It shows the server answered, not that its tools work.

Too few checks for a percentage yet (2 of 2 answered).

  1. 2026-11-07: 2 of 2 checks answered

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
670 ms
95th percentile latency
670 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 670 ms · metadata changed · 3 tool(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http bahn-transfer-mcp https://bahn.1f916.de/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add bahn-transfer-mcp --url https://bahn.1f916.de/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable bahn-transfer-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "bahn-transfer-mcp": {
      "url": "https://bahn.1f916.de/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "bahn-transfer-mcp": {
      "type": "streamableHttp",
      "url": "https://bahn.1f916.de/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start bahn-transfer-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "bahn-transfer-mcp": {
      "type": "http",
      "url": "https://bahn.1f916.de/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http bahn-transfer-mcp https://bahn.1f916.de/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.
Claude Desktop configuration
https://bahn.1f916.de/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "bahn-transfer-mcp": {
      "serverUrl": "https://bahn.1f916.de/mcp"
    }
  }
}

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