transitous-departures
Upcoming departures at any transit stop worldwide (by stop id
This record as markdown: /tools/io-github-derekslinz-meta-data-mcp/transitous-departures.md
What transitous-departures does on Meta Data Mcp
AI agents call transitous-departures to retrieve information from Meta Data Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why transitous-departures is rated Low
This tool fetches transit schedule information by stop ID. It performs data retrieval only, with no side effects, modifications, or destructive actions. Even if misused, an AI agent querying transit departures cannot cause harm beyond perhaps generating excessive requests. This is a straightforward Read operation accessing public transportation data.
From the tool's definition Tool name 'transitous-departures' and description indicate it 'queries' and retrieves 'upcoming departures at any transit stop' — a data retrieval operation with no modification, deletion, or execution of commands.
Attacks that exploit this kind of access
The rule that runs transitous-departures safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Meta Data Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For transitous-departures, this is the rule to start with:
transitous-departures is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Meta Data Mcp, apply this rule, and every transitous-departures call is checked against it from then on.
Questions about transitous-departures
Upcoming departures at any transit stop worldwide (by stop id. It is categorised as a Read tool in the Meta Data Mcp MCP Server, which means it retrieves data without modifying state.
Register the Meta Data MCP server in PolicyLayer and add a rule for transitous-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 Meta Data Mcp. Nothing to install.
transitous-departures is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the transitous-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.
Set action: deny in the PolicyLayer policy for transitous-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.
transitous-departures is provided by the Meta Data MCP server (pypi:meta-data-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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