AI agents call bus_search_more to retrieve information from Chelaile without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves transit data with pagination support. It has no side effects—it does not create, modify, delete, or execute external operations. The minimal description 'Paginated' is uninformative about specific capabilities, but the context of sibling tools and the 'search_more' naming pattern (suggesting result navigation rather than mutation) strongly indicates a read-only query function.
From the tool's definition Tool name 'bus_search_more' and description 'Paginated' indicate a read operation that retrieves paginated results from transit data.
Documented attack patterns abuse exactly the kind of access bus_search_more gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Chelaile, and nothing reaches the server without passing your rules. This is the rule we recommend for bus_search_more:
{
"version": "1",
"default": "deny",
"tools": {
"bus_search_more": {}
}
}bus_search_more is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Paginated. It is categorised as a Read tool in the Chelaile MCP Server, which means it retrieves data without modifying state.
Register the Chelaile MCP server in PolicyLayer and add a rule for bus_search_more: 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 Chelaile. Nothing to install.
bus_search_more 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 bus_search_more 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 bus_search_more. 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.
bus_search_more is provided by the Chelaile MCP server (peanutsplash/chelaile-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Chelaile, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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15 Chelaile tools catalogued and risk-classified — across an index of 43,000+ MCP servers.