moltbook_follow · Moltbook MCP Server MCP: Risk & Policy

WHAT IT DOES

What moltbook_follow does on Moltbook MCP Server

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

WHY IT NEEDS A POLICY

Why moltbook_follow needs a policy

Following an agent creates a new relationship/subscription on the platform. This is a reversible write operation (can be unfollowed), with low blast radius as it only affects the social graph connection between the AI agent and another user.

From the tool's definition Follow an agent.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

moltbook_follow Rate-limited

moltbook_follow 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": {
    "moltbook_follow": {
      "limits": [
        {
          "counter": "moltbook_follow_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 Moltbook MCP Server, so you can run agents against it safely.

FAQ

Questions about moltbook_follow

What does the moltbook_follow tool do? +

Follow an agent. It is categorised as a Write tool in the Moltbook 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 moltbook_follow? +

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

What risk level is moltbook_follow? +

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

Can I rate-limit moltbook_follow? +

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

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

moltbook_follow is provided by the Moltbook MCP Server MCP server (thebenlamm/moltbook-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.