# SF Bay Area Transit MCP

> Plan San Francisco and Bay Area transit trips and check upcoming stop departures. Free, no API keys.

- name: io.github.czekaj/sf-transit-mcp
- version: 0.1.0
- connection class: R0 (autonomous)
- trust: 97/100
- quality: 94/100 (new)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/io.github.czekaj%2Fsf-transit-mcp
- tools: https://api.protogrid.dev/v1/servers/io.github.czekaj%2Fsf-transit-mcp/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "sf-transit-mcp": {
      "type": "http",
      "url": "https://mcp.riv.lc/sf-transit/mcp"
    }
  }
}
```


## Trust

- hygiene: 100
- liveness: 100
- freshness: 100
- provenance: 90
- drivers: +repository +namespace-matches-repo +website +reachable +uptime-100% +updated-1d-ago
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 94/100 (new)

### protocol: 88 (weight 25)

- pass `protocol.modern`: supports 2026-07-28 (server/discover)
- pass `protocol.stateless`: answers without a session
- pass `protocol.transport`: streamable HTTP
- warn `protocol.list_ttl`: tools/list declares ttlMs 0, so clients re-fetch it on every use

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 100 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 4 of 4 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 1,186 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: n/a (weight 15)

- n/a `stability.changes`, `stability.rug_pull`: tool history recorded for 1 of the 7 days needed

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 4, about 1,186 tokens to load them all
- tool set hash: b0befd6d1640cc6cdc15dc2e6d39fb2c
- badge: [![protogrid quality](https://protogrid.dev/badge/io.github.czekaj/sf-transit-mcp.svg)](https://protogrid.dev/servers/io.github.czekaj/sf-transit-mcp)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Remotes

- https://mcp.riv.lc/sf-transit/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (4)

- `get_service_info`: Read the current time, available tools, data sources, and service limits without contacting a routing service.
- `get_stop_departures`: Show upcoming departures at a selected Bay Area transit stop, including live predictions where available, scheduled times, cancellations, and boarding restrictions. Use the stop ID and coordinates from a search_places STOP result or plan_trip stop. Omit departureTime for now. Stop ID and time are sent to Transitous. No API key.
- `plan_trip`: Find complete trips with walking, transit, transfers, scheduled and predicted times, and total travel time. Use coordinates from the selected search result. Omit times for leaving now; otherwise supply departureTime OR arrivalTime with a UTC offset. Transit trips include walking to and from stops. Add walk or bicycle to modes to compare walking or cycling without transit. Coordinates are sent to Transitous. No API key.
- `search_places`: Find matching Bay Area addresses, landmarks, or transit stops and their map coordinates. Including the city helps distinguish places with the same name. Returns a list when more than one place matches. No API key. The search text is sent to Transitous.