getWeather

Gets the current weather for a given city.

SERVERGenkit MCP SOURCEgenkit-ai/genkit

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/firebase-genkit/getweather.md

WHAT IT DOES

What getWeather does on Genkit MCP

AI agents call getWeather to retrieve information from Genkit MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why getWeather is rated Low

Retrieves weather data without side effects or resource modification.

From the tool's definition Gets the current weather for a given city.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs getWeather safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Genkit MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For getWeather, this is the rule to start with:

getWeather Allowed

getWeather is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "getWeather": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Genkit MCP, apply this rule, and every getWeather call is checked against it from then on.

FAQ

Questions about getWeather

What does the getWeather tool do? +

Gets the current weather for a given city. It is categorised as a Read tool in the Genkit MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on getWeather? +

Register the Genkit MCP server in PolicyLayer and add a rule for getWeather: 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 Genkit MCP. Nothing to install.

What risk level is getWeather? +

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

Can I rate-limit getWeather? +

Yes. Add a rate_limit block to the getWeather 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 getWeather completely? +

Set action: deny in the PolicyLayer policy for getWeather. 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 getWeather? +

getWeather is provided by the Genkit MCP server (genkit-ai/genkit). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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