publish_status · Fanfou MCP: Risk & Policy

WHAT IT DOES

What publish_status does on Fanfou

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

WHY IT NEEDS A POLICY

Why publish_status needs a policy

Publishing a status creates new content on the platform. This is a Write operation—it modifies platform state by adding data reversibly (posts can be deleted via 'delete_status'). It is not Destructive because it does not erase data.

From the tool's definition Tool name 'publish_status' on a Fanfou (Chinese social media platform) MCP server with sibling tools including 'publish_photo', 'manage_favorite', and 'manage_friendship'. The name indicates creation of new status posts.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

publish_status Rate-limited

publish_status 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": {
    "publish_status": {
      "limits": [
        {
          "counter": "publish_status_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 Fanfou, so you can run agents against it safely.

FAQ

Questions about publish_status

What does the publish_status tool do? +

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

How do I enforce a policy on publish_status? +

Register the Fanfou MCP server in PolicyLayer and add a rule for publish_status: 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 Fanfou. Nothing to install.

What risk level is publish_status? +

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

Can I rate-limit publish_status? +

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

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

publish_status is provided by the Fanfou MCP server (kingcos/fanfou-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.