comment_on_video · TikVid MCP Server MCP: Risk & Policy

WHAT IT DOES

What comment_on_video does on TikVid MCP Server

AI agents use comment_on_video 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 comment_on_video needs a policy

Posting a comment creates new data (the comment itself) on the platform in a reversible manner—comments can be edited or deleted. This is a Write operation. Severity is medium because while comments are reversible, malicious use could include spam, harassment, or impersonation at scale, affecting other users' experience and platform integrity.

From the tool's definition Tool description states 'Post a comment on a TikVid video', which is a create/modify action that adds user-generated content to a video.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

comment_on_video Rate-limited

comment_on_video 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": {
    "comment_on_video": {
      "limits": [
        {
          "counter": "comment_on_video_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 comment_on_video

What does the comment_on_video tool do? +

Post a comment on a TikVid video. 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 comment_on_video? +

Register the TikVid MCP Server MCP server in PolicyLayer and add a rule for comment_on_video: 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 comment_on_video? +

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

Can I rate-limit comment_on_video? +

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

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

comment_on_video 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.