retweet · Agent Twitter Client MCP: Risk & Policy

WHAT IT DOES

What retweet does on Agent Twitter Client

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

WHY IT NEEDS A POLICY

Why retweet needs a policy

Retweeting publishes content to the authenticated user's followers and timeline. It is a write action (reversible via un-retweet) rather than destructive. Misuse could spread misinformation or cause reputational harm, warranting medium severity.

From the tool's definition Tool name 'retweet' and description 'Retweet a tweet' — creates a new retweet action on Twitter, which is a reversible write operation (can be un-retweeted).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

retweet Rate-limited

retweet 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": {
    "retweet": {
      "limits": [
        {
          "counter": "retweet_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 Agent Twitter Client, so you can run agents against it safely.

FAQ

Questions about retweet

What does the retweet tool do? +

Retweet a tweet. It is categorised as a Write tool in the Agent Twitter Client MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on retweet? +

Register the Agent Twitter Client MCP server in PolicyLayer and add a rule for retweet: 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 Agent Twitter Client. Nothing to install.

What risk level is retweet? +

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

Can I rate-limit retweet? +

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

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

retweet is provided by the Agent Twitter Client MCP server (theo-nash/twitter-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.