sf_express_query_routes
Query available shipping routes, services, and pricing between origin and destination locations.
This record as markdown: /tools/100kgforest-sf-express-mcp-server/sf-express-query-routes.md
What sf_express_query_routes does on SF Express MCP Server
AI agents call sf_express_query_routes to retrieve information from SF Express MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why sf_express_query_routes is rated Low
The tool queries route, service, and pricing information without creating orders, modifying shipments, or triggering logistics operations. It is purely informational and read-only with no side effects or blast radius if misused by an agent.
From the tool's definition Tool name and description indicate querying and retrieving information: 'Query available shipping routes, services, and pricing' — no creation, modification, deletion, or execution of external operations. This is a data retrieval operation.
Attacks that exploit this kind of access
The rule that runs sf_express_query_routes safely
PolicyLayer is an MCP gateway: it sits between your AI agents and SF Express MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For sf_express_query_routes, this is the rule to start with:
sf_express_query_routes 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 SF Express MCP Server, apply this rule, and every sf_express_query_routes call is checked against it from then on.
Questions about sf_express_query_routes
Query available shipping routes, services, and pricing between origin and destination locations. It is categorised as a Read tool in the SF Express MCP Server MCP Server, which means it retrieves data without modifying state.
Register the SF Express MCP Server MCP server in PolicyLayer and add a rule for sf_express_query_routes: 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 SF Express MCP Server. Nothing to install.
sf_express_query_routes 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 sf_express_query_routes 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 sf_express_query_routes. 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.
sf_express_query_routes is provided by the SF Express MCP Server MCP server (100kgforest/sf-express-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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