tos_image_process · TOS MCP Server MCP: Risk & Policy

WHAT IT DOES

What tos_image_process does on TOS MCP Server

AI agents invoke tos_image_process to trigger actions in TOS MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why tos_image_process needs a policy

This tool performs image processing operations (resize, crop, watermark, format conversion, etc.) on objects in TOS storage. It executes transformations on existing data rather than purely reading or writing raw data. It may produce new derived objects or modify stored images depending on implementation. Since it 'executes' processing pipelines with combined parameters, Execute is the most appropriate category.

From the tool's definition 图片处理（组合操作，支持多种处理参数） — 'image processing with combined operations and multiple processing parameters'

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

tos_image_process Rate-limited

tos_image_process stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "tos_image_process": {
      "limits": [
        {
          "counter": "tos_image_process_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about tos_image_process

What does the tos_image_process tool do? +

图片处理（组合操作，支持多种处理参数）. It is categorised as a Execute tool in the TOS MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on tos_image_process? +

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

What risk level is tos_image_process? +

tos_image_process is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit tos_image_process? +

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

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

tos_image_process is provided by the TOS MCP Server MCP server (jneless/tos-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.