List all available bus routes.
AI agents call list_routes_tool to retrieve information from CATA Bus MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only performs a data retrieval operation (list/get) on publicly available bus route information. There are no side effects, no data modifications, no code execution, no irreversible actions, and no financial implications. It is a straightforward informational query consistent with the 'Read' category.
From the tool's definition The tool 'list_routes_tool' with description 'List all available bus routes' is a read-only operation that retrieves and displays publicly available transit route information without modifying any data.
Attacks that exploit this kind of access
List all available bus routes. It is categorised as a Read tool in the CATA Bus MCP Server MCP Server, which means it retrieves data without modifying state.
Register the CATA Bus MCP Server MCP server in PolicyLayer and add a rule for list_routes_tool: 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 CATA Bus MCP Server. Nothing to install.
list_routes_tool 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 list_routes_tool 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 list_routes_tool. 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.
list_routes_tool is provided by the CATA Bus MCP Server MCP server (pranav-karra-3301/catabus-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.
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