hotel-emission

THE RISK

Low Risk

Why hotel-emission needs a policy

This tool performs a read-only calculation by querying the Climatiq API with input parameters (nights stayed, location) and returning an emissions estimate. It does not create, modify, delete, or financially transact anything. Misuse potential is minimal.

From the tool's definition 'Calculate carbon emissions from hotel stays based on the number of nights stayed and the location of the hotel' — pure calculation/query with no side effects

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

POLICY

How to control hotel-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 hotel-emission:

policy.json

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

hotel-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

More Climatiq MCP Server tools

Write set-api-key Set the Climatiq API key for authentication. This allows the server to make authorized req Read search-emission-factors Search Climatiq Read cloud-computing-emission Calculate emissions from cloud computing services by provider, service type, and region to Read custom-emission-calculation Calculate emissions using any specific emission factor identified by its activity_id, allo Read electricity-emission Calculate carbon emissions from electricity consumption based on energy amount and regiona Read freight-emission Calculate emissions from freight transportation across different modes (truck, rail, ship, Read procurement-emission Calculate Scope 3.1 emissions from procurement spending using economic input-output life c Read travel-emission Calculate emissions from passenger travel via car, plane, or train, with options for vehic

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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 hotel-emission

What does the hotel-emission tool do? +

Calculate carbon emissions from hotel stays based on the number of nights stayed and the location of the hotel. 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 hotel-emission? +

Register the Climatiq MCP Server MCP server in PolicyLayer and add a rule for hotel-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 hotel-emission? +

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

Can I rate-limit hotel-emission? +

Yes. Add a rate_limit block to the hotel-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 hotel-emission completely? +

Set action: deny in the PolicyLayer policy for hotel-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 hotel-emission? +

hotel-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 →