upload_forecast · Forecast Storage MCP Server MCP

WHAT IT DOES

What upload_forecast does on Forecast Storage MCP Server

AI agents use upload_forecast to create or update resources in Forecast Storage MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Forecast Storage MCP Server environment.

WHY IT NEEDS A POLICY

Why upload_forecast needs a policy

This tool modifies state by inserting new forecast records into a PostgreSQL database and storing binary assets (audio, pictures) in cloud storage. The action is reversible (data can be deleted via cleanup or manual deletion), so it qualifies as Write rather than Destructive.

From the tool's definition Tool name 'upload_forecast' combined with description 'Upload a complete forecast (text + audio + picture) to Cloud SQL and GCS' indicates it creates/stores new data in multiple backend systems (Cloud SQL database and Google Cloud Storage).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

upload_forecast Rate-limited

upload_forecast stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "upload_forecast": {
      "limits": [
        {
          "counter": "upload_forecast_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Forecast Storage MCP Server, so you can run agents against it safely.

FAQ

Questions about upload_forecast

What does the upload_forecast tool do? +

Upload a complete forecast (text + audio + picture) to Cloud SQL and GCS. It is categorised as a Write tool in the Forecast Storage MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on upload_forecast? +

Register the Forecast Storage MCP Server MCP server in PolicyLayer and add a rule for upload_forecast: 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 Forecast Storage MCP Server. Nothing to install.

What risk level is upload_forecast? +

upload_forecast is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit upload_forecast? +

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

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

upload_forecast is provided by the Forecast Storage MCP Server MCP server (whut-news/forecast_storage_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.