otp-mcp
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| OTP_BASE_URL | No | URL of the OpenTripPlanner server. | http://otp:8080 |
| MCP_AUTH_TOKEN | No | Bearer token for authenticating HTTP requests to the MCP server. |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {} |
| resources | {} |
| extensions | {
"io.modelcontextprotocol/ui": {
"mimeTypes": [
"text/html;profile=mcp-app"
]
}
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| plan_journeyA | Plan a public-transit (rail/subway) journey using a self-hosted OpenTripPlanner instance (self-hosted OTP (Kanto rail/subway)). 'from' and 'to' are each a station name (e.g. "新宿") or a "lat,lon" coordinate. Returns ranked itineraries with per-leg lines (line name, stations, minutes), departure/arrival times, and transfer count. Accurate within the covered area (Kanto); returns no route for places outside coverage. |
| plan_route_mapA | Plan a rail/subway journey and render it as a Yahoo!乗換案内-style vertical timeline (an inline interactive view on claude.ai). The view shows stations, departure/arrival times, line names in their official colors, and transfer points stacked vertically; the same itinerary is also returned as text. 'from' and 'to' are each a station name (e.g. "新宿") or a "lat,lon" coordinate. By default shows the best (fastest) itinerary; use 'routeIndex' to pick another. Prefer this over plan_journey when a visual route is helpful. |
| suggest_stationsA | Autocomplete station names against the self-hosted OpenTripPlanner instance (self-hosted OTP (Kanto rail/subway)). Returns matching stations with coordinates. Use to resolve or disambiguate a name before plan_journey. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
| route_map | Route timeline view (MCP App). |
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