MBTA MCP — Boston real-time transit via the MBTA v3 API (api-v3.mbta.com)
Most developer tooling work still happens through a UI a human drives. MCP MCP server moves it into the conversation instead. MBTA MCP — Boston real-time transit via the MBTA v3 API (api-v3.mbta.com).
Setup follows the usual MCP pattern — install or clone the server, register it in your client's configuration file, restart the client. The configuration blocks on this page cover the common clients.
The server publishes 4 tools. What each one is for:
mbta_departures — Real-time MBTA train arrival and departure predictions at a Boston station — answers "when is the next train Boston", next Red Line subway at Southmbta_routes — List MBTA routes for the Boston subway T, commuter rail, bus, and ferry — route ids, names, and the destination each direction heads toward. typembta_stops — List the stops and stations on an MBTA route — Boston subway T lines, commuter rail lines, bus routes, ferries. Returns stop id, name, municipalitymbta_alerts — Active MBTA service alerts — Boston subway T delays, commuter rail disruptions, shuttle replacements, track changes, detours, elevator outagesPlenty of developer tooling servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. MCP's toolset — mbta_departures, mbta_routes, mbta_stops and 1 more — is a fair guide to whether it matches your workflow. It is maintained by mojibake-ai; worth a glance at recent repository activity before you build anything load-bearing on it.
SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.
| Tool | What it does |
|---|---|
| mbta_departures | Real-time MBTA train arrival and departure predictions at a Boston station — answers "when is the next train Boston", next Red Line subway at South Station, Green Line trolley, commuter rail departures, Silver Line and b |
| mbta_routes | List MBTA routes for the Boston subway T, commuter rail, bus, and ferry — route ids, names, and the destination each direction heads toward. type: 0-1 subway/light rail (Red, Orange, Blue, Green, Mattapan), 2 commuter ra |
| mbta_stops | List the stops and stations on an MBTA route — Boston subway T lines, commuter rail lines, bus routes, ferries. Returns stop id, name, municipality, and wheelchair accessibility, in route order. Example: mbta_stops({ rou |
| mbta_alerts | Active MBTA service alerts — Boston subway T delays, commuter rail disruptions, shuttle replacements, track changes, detours, elevator outages. Filter by route to check one line, e.g. is the Red Line delayed right now. E |
{
"mcpServers": {
"mbta": {
"url": "https://gateway.pipeworx.io/mbta/mcp"
}
}
}Configuration as documented by the project. Restart the client after saving.
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