update_vehicle_price · StockSpark MCP Server MCP

WHAT IT DOES

What update_vehicle_price does on StockSpark MCP Server

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

WHY IT NEEDS A POLICY

Why update_vehicle_price needs a policy

This tool creates or modifies data reversibly by changing a vehicle's sale price across active publication channels. While price changes have business impact, they are not irreversible (prices can be adjusted again), not financial transactions (no money moves), and not destructive deletions.

From the tool's definition Tool name is 'update_vehicle_price' and description states 'Update vehicle sale price' and 'Updates price across all active publications'. This modifies existing data (the vehicle's sale price) in a reversible manner.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_vehicle_price Rate-limited

update_vehicle_price 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": {
    "update_vehicle_price": {
      "limits": [
        {
          "counter": "update_vehicle_price_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 StockSpark MCP Server, so you can run agents against it safely.

FAQ

Questions about update_vehicle_price

What does the update_vehicle_price tool do? +

Update vehicle sale price (consumer facing) When to use: Price adjustments, promotions, or corrections Prerequisites: Vehicle ID from list_vehicles or get_vehicle Effect: Updates price across all active publications Note: Price is in EUR, includes taxes (consumer price). It is categorised as a Write tool in the StockSpark 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 update_vehicle_price? +

Register the StockSpark MCP Server MCP server in PolicyLayer and add a rule for update_vehicle_price: 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 StockSpark MCP Server. Nothing to install.

What risk level is update_vehicle_price? +

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

Can I rate-limit update_vehicle_price? +

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

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

update_vehicle_price is provided by the StockSpark MCP Server MCP server (loukach/stockspark-mcp-poc). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.