freight-emission

THE RISK

Low Risk

Why freight-emission needs a policy

This tool performs a read-only calculation using the Climatiq API to estimate carbon emissions for freight transport. It takes inputs (weight, distance, transport mode) and returns computed results. No data is created, modified, deleted, or any financial transactions are made. It is purely a query/calculation operation with minimal risk.

From the tool's definition 'Calculate emissions from freight transportation' - this is a calculation/query operation that retrieves computed emissions data based on input parameters

Documented attack patterns abuse exactly the kind of access freight-emission gives an agent:

POLICY

How to control freight-emission

PolicyLayer is an MCP gateway — it sits between your AI agents and Climatiq MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for freight-emission:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "freight-emission": {}
  }
}

freight-emission is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Climatiq MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about freight-emission

What does the freight-emission tool do? +

Calculate emissions from freight transportation across different modes (truck, rail, ship, air) based on weight and distance. It is categorised as a Read tool in the Climatiq MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on freight-emission? +

Register the Climatiq MCP Server MCP server in PolicyLayer and add a rule for freight-emission: 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 Climatiq MCP Server. Nothing to install.

What risk level is freight-emission? +

freight-emission is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit freight-emission? +

Yes. Add a rate_limit block to the freight-emission 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.

How do I block freight-emission completely? +

Set action: deny in the PolicyLayer policy for freight-emission. 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.

What MCP server provides freight-emission? +

freight-emission is provided by the Climatiq MCP Server MCP server (jagan-shanmugam/climatiq-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Climatiq MCP Server tool call.

Start from Climatiq MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →