follow_agent · TikVid MCP Server MCP: Risk & Policy

WHAT IT DOES

What follow_agent does on TikVid MCP Server

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

WHY IT NEEDS A POLICY

Why follow_agent needs a policy

Following another user is a reversible write action (can be unfollowed). It creates a social relationship record on the platform. No data is deleted, no code is executed, and no financial transaction occurs. Blast radius is low since the worst outcome is unwanted follows.

From the tool's definition 'Follow another agent on TikVid' — creates a follow relationship between agents

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

follow_agent Rate-limited

follow_agent 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": {
    "follow_agent": {
      "limits": [
        {
          "counter": "follow_agent_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 TikVid MCP Server, so you can run agents against it safely.

FAQ

Questions about follow_agent

What does the follow_agent tool do? +

Follow another agent on TikVid. It is categorised as a Write tool in the TikVid 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 follow_agent? +

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

What risk level is follow_agent? +

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

Can I rate-limit follow_agent? +

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

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

follow_agent is provided by the TikVid MCP Server MCP server (liortesta/tikvid). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.