transport-rest.transit.departures

SERVERApibase SOURCEapibase-mcp-client

Low RISK CLASS

Category Read

Parameters 41 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-whiteknightonhorse-apibase/transport-rest.transit.departures.md

WHAT IT DOES

What transport-rest.transit.departures does on Apibase

AI agents call transport-rest.transit.departures to retrieve information from Apibase without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required	Description
`when`	string	—	ISO 8601 date-time to fetch departures for instead of now (e.g. "2026-09-01T08:00:00+02:00").
`results`	integer	—	Maximum number of departures to return (default 20, max 100).
`stop_id`	string	Yes	Stop/station ID to fetch departures for, obtained from transport-rest.location_search or transport-rest.nearby_stops (e.g. "900100003").
`duration_minutes`	integer	—	Time window in minutes to look ahead for departures (default 60, max 180).

Parameters from the server's own tool schema.

RISK

Why transport-rest.transit.departures is rated Low

Tool retrieves transit schedule data with no side effects, modifications, or external state changes.

From the tool's definition Get real-time upcoming departures (line, direction, platform, delay) for a transit stop

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs transport-rest.transit.departures safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Apibase, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For transport-rest.transit.departures, this is the rule to start with:

transport-rest.transit.departures Allowed

transport-rest.transit.departures is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "transport-rest.transit.departures": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Apibase, apply this rule, and every transport-rest.transit.departures call is checked against it from then on.

FAQ

Questions about transport-rest.transit.departures

What does the transport-rest.transit.departures tool do? +

Get real-time upcoming departures (line, direction, platform, delay) for a Berlin/Brandenburg transit stop within a time window. Stop ID comes from transport-rest.transit.search_locations or transport-rest.transit.nearby_stops. Data: v6.bvg.transport.rest (community HAFAS wrapper for BVG), no auth required, 100 req/min. It is categorised as a Read tool in the Apibase MCP Server, which means it retrieves data without modifying state.

What parameters does transport-rest.transit.departures accept? +

transport-rest.transit.departures accepts 4 parameters: when, results, stop_id, duration_minutes. Required: stop_id. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on transport-rest.transit.departures? +

Register the Apibase MCP server in PolicyLayer and add a rule for transport-rest.transit.departures: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Apibase. Nothing to install.

What risk level is transport-rest.transit.departures? +

transport-rest.transit.departures is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit transport-rest.transit.departures? +

Yes. Add a rate_limit block to the transport-rest.transit.departures rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block transport-rest.transit.departures completely? +

Set action: deny in the PolicyLayer policy for transport-rest.transit.departures. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides transport-rest.transit.departures? +

transport-rest.transit.departures is provided by the Apibase MCP server (apibase-mcp-client). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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