Search for train connections between two stations. Returns available trains with departure times, duration, and transfers.
AI agents call search_connections to retrieve information from Czech Railways (České dráhy) MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only search query against the Czech Railways API to retrieve publicly available schedule and connection information. It has no side effects, does not modify data, does not execute external operations with variable outcomes, and does not process payments.
From the tool's definition Tool name 'search_connections' and description 'Search for train connections between two stations. Returns available trains with departure times, duration, and transfers.' indicate a query operation that retrieves information about available train routes…
Attacks that exploit this kind of access
Search for train connections between two stations. Returns available trains with departure times, duration, and transfers. It is categorised as a Read tool in the Czech Railways (České dráhy) MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Czech Railways (České dráhy) MCP Server MCP server in PolicyLayer and add a rule for search_connections: 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 Czech Railways (České dráhy) MCP Server. Nothing to install.
search_connections 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 search_connections 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 search_connections. 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.
search_connections is provided by the Czech Railways (České dráhy) MCP Server MCP server (janprovaznik/cd-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →