cats-mcp
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| CATS_ALERTS_URL | No | URL of the CATS alerts GTFS-Realtime feed. | https://gtfsrealtime.ridetransit.org/GTFSRealTime/Alert/Alerts.pb |
| CATS_STATIC_TTL_MS | No | Cache TTL in milliseconds for the static GTFS data. | 21600000 |
| CATS_MAX_FEED_BYTES | No | Maximum number of bytes accepted from a realtime feed response. | 33554432 |
| CATS_REALTIME_TTL_MS | No | Cache TTL in milliseconds for realtime feeds. | 20000 |
| CATS_STATIC_GTFS_URL | No | URL of the CATS static GTFS schedule archive (zip). | https://gtfsrealtime.ridetransit.org/GTFSStatic/api/GTFSDownload/GTFS.zip |
| CATS_MAX_STATIC_BYTES | No | Maximum number of bytes accepted from the static GTFS archive. | 268435456 |
| CATS_TRIP_UPDATES_URL | No | URL of the CATS trip updates GTFS-Realtime feed. | https://gtfsrealtime.ridetransit.org/GTFSRealTime/TripUpdate/TripUpdates.pb |
| CATS_REQUEST_TIMEOUT_MS | No | HTTP request timeout in milliseconds for feed fetches. | 30000 |
| CATS_VEHICLE_POSITIONS_URL | No | URL of the CATS vehicle positions GTFS-Realtime feed. | https://gtfsrealtime.ridetransit.org/GTFSRealTime/Vehicle/VehiclePositions.pb |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Features and capabilities supported by this server
Protocol revision2025-11-25
| Capability | Details |
|---|---|
| tools | {
"listChanged": false
} |
| prompts | {
"listChanged": false
} |
| resources | {
"subscribe": false,
"listChanged": false
} |
| experimental | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| find_vehicleA | Locate a specific CATS bus or train and return its current GPS coordinates. Give "vehicle" for a vehicle number (e.g. "2301"), or "route" to get every vehicle currently running a route (e.g. "9", "501", "Blue Line"). Includes heading, speed, occupancy, and next scheduled stop when available. |
| list_vehiclesA | Return the current GPS coordinates of every CATS bus and train in service. Optionally filter to buses or trains, or to a single route. |
| get_arrivalsA | Estimated arrival times of buses or trains at a specific stop or station. Accepts a stop id, stop code, or part of a stop name. Reports minutes away, schedule deviation, the vehicle number, and any service alerts for that stop. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
Latest Blog Posts
- Who's Calling? MCP Hosts Are an Identity Blind Spot (And the Spec Knows It)By Om-Shree-0709 on .mcpAgent IdentityOAuth 2.1
- Your AI Chatbot Just Exposed Your CEO's Salary to an InternBy Om-Shree-0709 on .Agent IdentityMCP SecurityOAuth Delegation
- Why MCP Servers Need Execution Sandboxing (And Why Your Current Stack Isn't Enough)By Om-Shree-0709 on .Agentic AiPrompt InjectionWebAssembly
MCP directory API
We provide all the information about MCP servers via our MCP API.
curl -X GET 'https://glama.ai/api/mcp/v1/servers/ajwann/CATS-mcp'
If you have feedback or need assistance with the MCP directory API, please join our Discord server