mixpost_approve_post · Mixpost MCP: Risk & Policy

WHAT IT DOES

What mixpost_approve_post does on Mixpost

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

WHY IT NEEDS A POLICY

Why mixpost_approve_post needs a policy

Approving a post is a Write operation—it changes the post's state reversibly (approval can typically be undone or the post lifecycle modified). It is not Destructive because approval does not permanently delete or irreversibly destroy data. It is not Execute because it does not run arbitrary code or trigger unpredictable external side effects—approval is a well-defined administrative action.

From the tool's definition Tool name 'mixpost_approve_post' and description 'Approve a social media post' indicate a state-change operation that modifies post status from pending to approved.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

mixpost_approve_post Rate-limited

mixpost_approve_post 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": {
    "mixpost_approve_post": {
      "limits": [
        {
          "counter": "mixpost_approve_post_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 Mixpost, so you can run agents against it safely.

FAQ

Questions about mixpost_approve_post

What does the mixpost_approve_post tool do? +

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

How do I enforce a policy on mixpost_approve_post? +

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

What risk level is mixpost_approve_post? +

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

Can I rate-limit mixpost_approve_post? +

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

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

mixpost_approve_post is provided by the Mixpost MCP server (pfarag/mixpost-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.