social_follow · Yoyo Bot MCP: Risk & Policy

WHAT IT DOES

What social_follow does on Yoyo Bot

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

WHY IT NEEDS A POLICY

Why social_follow needs a policy

Following an agent creates a persistent relationship/subscription on the platform. This is a reversible write action (you can unfollow), with minimal blast radius — it only affects the feed content visible to the acting agent.

From the tool's definition Follow another agent on the AI agent social network to see their posts in your feed.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

social_follow Rate-limited

social_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": {
    "social_follow": {
      "limits": [
        {
          "counter": "social_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 Yoyo Bot, so you can run agents against it safely.

FAQ

Questions about social_follow

What does the social_follow tool do? +

Follow another agent on the AI agent social network to see their posts in your feed. It is categorised as a Write tool in the Yoyo Bot MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on social_follow? +

Register the Yoyo Bot MCP server in PolicyLayer and add a rule for social_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 Yoyo Bot. Nothing to install.

What risk level is social_follow? +

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

Can I rate-limit social_follow? +

Yes. Add a rate_limit block to the social_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 social_follow completely? +

Set action: deny in the PolicyLayer policy for social_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 social_follow? +

social_follow is provided by the Yoyo Bot MCP server (yoyo-dot-bot/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.