change_company_thumbnail · CATS MCP Server MCP

WHAT IT DOES

What change_company_thumbnail does on CATS MCP Server

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

WHY IT NEEDS A POLICY

Why change_company_thumbnail needs a policy

This tool falls under Write because it updates a company record's visual asset (thumbnail image), which is a reversible modification. It is not Destructive because the change can be undone by uploading a different image.

From the tool's definition Tool name 'change_company_thumbnail' and description 'Update a company's thumbnail image' indicate modification of data (the company's thumbnail/image asset). This is a reversible operation that creates or modifies data without deletion or financial impact.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

change_company_thumbnail Rate-limited

change_company_thumbnail 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": {
    "change_company_thumbnail": {
      "limits": [
        {
          "counter": "change_company_thumbnail_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 CATS MCP Server, so you can run agents against it safely.

FAQ

Questions about change_company_thumbnail

What does the change_company_thumbnail tool do? +

Update a company's thumbnail image. It is categorised as a Write tool in the CATS 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 change_company_thumbnail? +

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

What risk level is change_company_thumbnail? +

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

Can I rate-limit change_company_thumbnail? +

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

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

change_company_thumbnail is provided by the CATS MCP Server MCP server (vanman2024/cats-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.