send_group_image_message · Rongcloud Native MCP

WHAT IT DOES

What send_group_image_message does on Rongcloud Native

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

WHY IT NEEDS A POLICY

Why send_group_image_message needs a policy

This tool creates a new message artifact (an image message) in a group communication channel. It modifies server state by adding a message record and is reversible via the 'recall_message' tool (also present on this server). This is a Write operation.

From the tool's definition Tool name 'send_group_image_message' indicates sending/transmitting an image message to a group. Sibling tools include 'send_group_text_message' and 'send_private_text_message', which are clearly Write operations (creating messages).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

send_group_image_message Rate-limited

send_group_image_message 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": {
    "send_group_image_message": {
      "limits": [
        {
          "counter": "send_group_image_message_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 Rongcloud Native, so you can run agents against it safely.

FAQ

Questions about send_group_image_message

What does the send_group_image_message tool do? +

send_group_image_message. It is categorised as a Write tool in the Rongcloud Native MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on send_group_image_message? +

Register the Rongcloud Native MCP server in PolicyLayer and add a rule for send_group_image_message: 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 Rongcloud Native. Nothing to install.

What risk level is send_group_image_message? +

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

Can I rate-limit send_group_image_message? +

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

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

send_group_image_message is provided by the Rongcloud Native MCP server (rongcloud/rongcloud-native-mcp-python). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.